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The NECK-PRO head restraints increase protection to the driver's and front passenger's head and neck. To this end, the NECK-PRO head restraints on the driver's and front-passenger seats are moved forwards and upwards in the event of a rear-end


collision of a certain severity. This provides better head support. G WARNING Do not secure any objects (e.g. coat hangers) on the NECK-PRO head restraints. Otherwise, the NECK-PRO head restraints may not function properly, or in the event of a rear-end collision may not be able offer the level of protection they are designed to provide.


If the NECK-PRO head restraints have been triggered in an accident, reset the NECK-PRO head restraints on the driver’s and front- passenger seat (Y page 54). Otherwise, the additional protection will not be available in the event of another rear-end collision. You can recognize when NECK-PRO head restraints have been triggered by the fact that they have moved forwards and can no longer be adjusted.


Resetting triggered NECK-PRO head restraints Important safety notes G WARNING For reasons of safety, have the NECK-PRO head restraints/NECK-PRO luxury head restraints checked at an authorized Mercedes-Benz Center after a rear-end collision. G WARNING When pushing back the NECK-PRO head restraint cushion, make sure your fingers do not become caught between the head restraint cushion and the cover. Failure to observe this could result in injuries.


NECK-PRO head restraints i Resetting the NECK-PRO head restraints


requires a lot of strength. If you have difficulty resetting the NECK-PRO head restraints, have this work carried out at a


qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.


X Tilt the top of the NECK-PRO head restraint


cushion forwards in the direction of arrow :.


X Push the NECK-PRO head restraint cushion down in the direction of arrow ; as far as it will go.


X Firmly push the NECK-PRO head restraint cushion back in the direction of arrow = until the cushion engages.


X Repeat this procedure for the second


NECK-PRO head restraint.


NECK-PRO luxury head restraints i If you have difficulty resetting the NECK- PRO luxury head restraints, have this work carried out at a qualified specialist workshop, e.g. an authorized Mercedes- Benz Center.


Occupant safety


55


X Remove resetting tool : from the vehicle


document wallet.


X Slide resetting tool : into guide ; between the NECK-PRO luxury head restraint and the rear cover of the head restraint.


X Push resetting tool : downwards until you


hear the head restraint deployment mechanism engage.


X Pull out resetting tool :. X Firmly press the NECK-PRO luxury head


restraint cushion back = until it engages.


X Repeat this procedure for the second


NECK-PRO luxury head restraint.


X Put resetting tool : back into the vehicle


document wallet.


Seat belts Important safety notes The use of seat belts and infant and child restraint systems is required by law in all 50
states, the District of Columbia, the U.S. territories and all Canadian provinces. Even where this is not the case, all vehicle occupants should have their seat belts fastened when the vehicle is in motion. i For further information on infants and children traveling in the vehicle and on infant and child restraint systems, see "Children in the vehicle" (Y page 61). G WARNING Always fasten your seat belt before driving off. Always make sure all of your passengers are properly restrained. You and your passengers should always wear seat belts. Failure to wear and properly fasten and position your seat belt greatly increases your risk of injuries and their likely severity in an accident. If you are ever in an accident, your injuries can be considerably more severe without your seat belt properly buckled. Without your seat


56 Occupant safety


belt buckled, you are much more likely to hit the interior of the vehicle or be ejected from it. You can be seriously injured or killed. In the same crash, the possibility of injury or death is lessened if you are properly wearing your seat belt. The air bags can only protect as intended if the occupants are properly wearing their seat belts. G WARNING Never ride in a moving vehicle with the seat backrest in an excessively reclined position as this can be dangerous. You could slide under the seat belt in a collision. If you slide under it, the seat belt would apply force at the abdomen or neck. That could cause serious or even fatal injuries. The seat backrest and seat belt provide the best restraint when the wearer is in a position that is as upright as possible and the seat belt is properly positioned on the body. G WARNING Never let more people ride in the vehicle than there are seat belts available. Make sure everyone riding in the vehicle is correctly restrained with a separate seat belt. Never use a seat belt for more than one person at a time. G WARNING Damaged seat belts or seat belts that have been subjected to stress in an accident must be replaced and their anchoring points must also be checked. Only use seat belts which have been approved by Mercedes-Benz. Do not make any modifications to the seat belts. This can lead to unintended activation of the ETDs or to their failure to activate when necessary. Do not bleach or dye seat belts as this may severely weaken them. In a crash they may not be able to provide adequate protection.


Have all work carried out only by qualified technicians. Contact an authorized Mercedes-Benz Center.


Correct use of the seat belts G WARNING USE SEAT BELTS PROPERLY RSeat belts can only work when used


properly. Never wear seat belts in any other way than as described in this section, as that could result in serious injuries in the event of an accident.


REach occupant should wear their seat belt at all times, because seat belts help reduce the likelihood of and potential severity of injuries in accidents, including rollovers. The integrated restraint system includes SRS (driver front air bag, driver's side knee bag, front-passenger front air bag, side impact air bags, window curtain air bags for the side windows), Emergency Tensioning Devices, seat belt force limiters, and front seat knee bolsters. The system is designed to enhance the protection offered to properly belted occupants in certain frontal (front air bags, driver's side knee bag and ETDs) and side (side impact air bags, window curtain air bags, and ETDs) impacts which exceed preset deployment thresholds and in certain rollovers (window curtain air bags and ETDs).


RNever wear the shoulder belt under your


arm, across your neck or off your shoulder. In a frontal crash, your body would move too far forward. That would increase the chance of head and neck injuries. The seat belt would also apply too much force to the ribs or abdomen, which could severely injure internal organs such as your liver or spleen. Adjust the seat belt so that the shoulder section is located as close as possible to the middle of the shoulder. It should not touch the neck. Never pass the shoulder


portion of the seat belt under your arm. For this purpose, you can adjust the height of the seat belt outlet.


RPosition the lap belt as low as possible on your hips and not across the abdomen. If the lap belt is positioned across your abdomen, it could cause serious injuries in a crash.


RNever wear seat belts over rigid or


breakable objects in or on your clothing, such as eyeglasses, pens, keys etc., as these might cause injuries.


RMake sure the seat belt is always fitted snugly. Take special care of this when wearing loose clothing.


RNever use a seat belt for more than one


person at a time. Do not fasten a seat belt around a person and another person or other objects at the same time.


RSeat belts should not be worn twisted. In a crash, you would not have the full width of the seat belt to distribute impact forces. The twisted seat belt against your body could cause injuries.


RPregnant women should also always use a


lap-shoulder belt. The lap belt portion should be positioned as low as possible on the hips to avoid any possible pressure on the abdomen.


RPlace the seat backrest in a position that is


as upright as possible.


RCheck your seat belt during travel to make


sure it is properly positioned.


RNever place your feet on the instrument panel, dashboard, or on the seat. Always keep both feet on the floor in front of the seat.


RWhen using a seat belt to secure infant


restraints, toddler restraints, or children in booster seats, always follow the child seat manufacturer's instructions. G WARNING Do not pass seat belts over sharp edges. They could tear.


Occupant safety


57


Do not allow the seat belt to get caught in the door or in the seat adjustment mechanism. This could damage the seat belt. Never attempt to make modifications to seat belts. This could impair the effectiveness of the seat belts.


Fastening seat belts G WARNING According to accident statistics, children are safer when properly restrained on the rear seats than on the front-passenger seat. Thus, we strongly recommend that children be placed in the rear seat whenever possible. Regardless of seating position, children 12
years old and under must be seated and properly secured in an appropriately sized child restraint system or booster seat recommended for the size and weight of the child. For additional information, see the "Children in the vehicle" section. A child's risk of serious or fatal injuries is significantly increased if the child restraints are not properly secured in the vehicle and/ or the child is not properly secured in the child restraint. G WARNING Canada only: children 12 years old and under may ride on the front seat if a BabySmart™ compatible child restraint system is installed on the front-passenger seat. Use only Mercedes-Benz approved BabySmart™ compatible child restraint systems. A BabySmart™ compatible child restraint system will deactivate the front-passenger front air bag when installed correctly. The front-passenger front air bag will not be deactivated if the child restraint systems that are installed are not BabySmart™ compatible or if BabySmart™ compatible child restraint systems are not installed correctly. If the front-passenger front air bag is deployed in a collision, the child will be struck by the air bag. If this happens, serious or fatal injury will result.


58 Occupant safety


X Adjust the seat and move the backrest to


an almost vertical position (Y page 98). X Pull the seat belt smoothly through belt


sash guide :.


X Without twisting it, guide the shoulder


section of the seat belt across the middle of your shoulder and the lap section across your hips.


X Engage belt tongue ; in buckle =.


Seat-belt adjustment: if necessary, the driver's and front-passenger seat belts automatically adjust to the upper body (Y page 58).


X If necessary, adjust the seat belt to the


appropriate height (Y page 58).


X If necessary, pull upwards on the shoulder section of the seat belt to tighten the belt across your body.


For more information about releasing the seat belt with release button ?, see "Releasing seat belts" (Y page 59).


Seat belt adjustment The seat-belt adjustment function adjusts the driver's and front-passenger seat belt to the upper body of the occupants. The belt strap is tightened slightly when: Ryou engage the belt tongue in the belt


buckle and you then turn the SmartKey to position 2 in the ignition lock.


Rthe SmartKey is in position 2 in the ignition lock and you then engage the belt tongue in the buckle.


The seat-belt adjustment will apply a retraction force if any slack is detected between the occupant and the seat belt. Do not hold on to the seat belt tightly while it is adjusting. You can switch the seat-belt adjustment on and off in the on-board computer (Y page 228). The seat-belt adjustment is an integral part of the PRE-SAFE® convenience function. More information about PRE-SAFE® can be found in the "PRE-SAFE® (preventative occupant protection)" section (Y page 53).


Belt height adjustment You can adjust the seat belt height on the driver's seat and the front-passenger seat.


All seat belts except the driver's seat belt are equipped with a special seat belt retractor to securely fasten child restraint systems in the vehicle. For further information on special seat belt retractors, see (Y page 63).


Adjust the height so that the upper part of the seat belt is routed across the center of your shoulder.


X To raise: slide the belt sash guide upwards.


The belt sash guide engages in various positions.


X To lower: press and hold belt sash guide


release :.


X Slide the belt sash guide downwards. X Release belt sash guide release : and make sure that the belt sash guide has engaged.


Releasing seat belts X Press release button ?(Y page 57) and guide belt tongue ; back towards belt sash guide :.


! Make sure that the seat belt is fully rolled up. Otherwise, the seat belt or belt tongue will be trapped in the door or in the seat mechanism. This could damage the door, the door trim panel and the seat belt. Damaged seat belts can no longer fulfill their protective function and must be replaced. Consult an authorized Mercedes- Benz Center.


Belt warning for the driver and front passenger Regardless of whether the driver and front passenger have fastened their seat belts already, the 7 seat belt warning lamp lights up for 6 seconds after every engine start. It then goes out if the driver and the front passenger have fastened their seat belts. If the driver's seat belt is not fastened after the engine is started, an additional warning tone will sound. The warning tone goes out after approximately six seconds or once the driver's seat belt is fastened.


Occupant safety


59


If the driver or front passenger have not fastened their seat belt after 6 seconds and the doors are closed, the 7 seat belt warning lamp lights up. Runtil the driver or the front passenger have


fastened their seat belts


Rif a vehicle speed of 15 mph(25 km/h) is


exceeded once, a warning tone with increasing intensity sounds additionally for a maximum of 60 seconds or until the driver or front passenger have fastened their seat belts.


If the driver or front passenger undo their seat belts during the journey, the 7 seat belt warning lamp lights up and the warning tone sounds again. The warning tone ceases even if the driver or front passenger have still not fastened their seat belt after 60 seconds. The 7 seat belt warning lamp stops flashing but continues to be lit. Once the vehicle is stationary, the warning tone is reactivated and the 7 seat belt warning lamp starts to flash again if the vehicle speed exceeds 15 mph(25 km/h) once. The 7 seat belt warning lamp only goes out if: Rboth the driver and the front passenger


have fastened their seat belts.


or Rthe vehicle is stationary and a door is open. i For more information on the 7 seat


belt warning lamp, see "Warning and indicator lamps in the instrument cluster, seat belt" (Y page 258).


Emergency Tensioning Devices, belt force limiters The seat belts for the front seats are equipped with ETDs/belt buckle tensioners and seat belt force limiters. The outer seat belts in the second row of seats are equipped with ETDs


60 Occupant safety


and seat belt force limiters. The seat belts for the third row of seats are equipped with ETDs. The ETDs/belt buckle tensioners tighten the seat belts in an accident, pulling them close against the body. The ETDs/belt buckle tensioners do not correct incorrect seat positions or incorrectly fastened seat belts. The ETDs do not pull vehicle occupants back towards the backrest. Seat belt force limiters, when triggered, help to reduce the peak force exerted by the seat belt on the vehicle occupant. The seat belt force limiters for the front seats are synchronized with the front air bags. These take on a part of the deceleration force. Thus, the force exerted on the occupant is distributed over a greater area. The ETDs/belt buckle tensioners can only be activated when: Rthe ignition is switched on. Rthe restraint systems are operational; see


"SRS warning lamp" (Y page 38)


Rthe belt tongue is engaged in the buckle on each of the lap-shoulder belts in the front. Rthe front-passenger seat is occupied and the belt tongue is engaged in the buckle on the front-passenger side.


The ETDs on the outside seats in the second row and on the seats in the third row are triggered independently of the lock status of the seat belts. The ETDs are triggered depending on the type and severity of an accident: Rif, in the event of a head-on or rear-end


collision, the vehicle decelerates or accelerates rapidly in a longitudinal direction during the initial stages of the impact


Rif, in the event of a side impact, on the side


opposite the impact the vehicle


decelerates or accelerates rapidly in a lateral direction


Rif in certain situations where the vehicle


overturns and the system determines that it can provide additional protection


If the Emergency Tensioning Device/belt buckle tensioners are triggered, you will hear a bang, and a small amount of powder may also be released. Only in rare cases will the bang affect your hearing. The powder that is released generally does not constitute a health hazard. The + SRS warning lamp lights up. i If the belt buckle tensioners have been


triggered on the front seats, the buckle will be pulled down and will be almost flush with the upper edge of the seat. The + SRS warning lamp is lit. G WARNING The belt buckle tensioners on the front seats only function if the belt buckles can be pulled down unobstructed. They must not be restricted in any way. Therefore, do not grab the belt buckles and do not place any objects under the belt buckles. Otherwise, the tensioning of the belt by the buckle is restricted or will not function, and will not provide any additional protection. G WARNING Pyrotechnical ETDs/belt buckle tensioners that were activated must be replaced. For your safety, when disposing of the pyrotechnic ETDs/belt buckle tensioners always follow our safety instructions. These instructions are available from any authorized Mercedes-Benz Center. The PRE-SAFE® system is equipped with electrically reversible pre-tensioners that do not need replacing after deployment.


! If the front-passenger seat is not


occupied, do not engage the seat belt tongue in the buckle on the front- passenger seat. Otherwise, the Emergency Tensioning Device/belt buckle tensioner


could be triggered in the event of an accident.


Children in the vehicle Child restraint systems Important safety notes We recommend that all infants and children be properly secured in an infant or child restraint system at all times while the vehicle is in motion. The use of seat belts and infant and child restraint systems is required by law in all 50
states, the District of Columbia, the U.S. territories and all Canadian provinces. Infants and children must always be seated in an appropriate infant or child restraint system recommended for the size and weight of the child. The infant or child restraint system must be properly secured in accordance with the manufacturer's instructions. All infant or child restraint systems must meet U.S. Federal Motor Vehicle Safety Standards 213
and 225 and Canadian Motor Vehicle Safety Standards 213 and 210.2. An information label on the child restraint system indicates whether it meets these standards. This information is also provided in the installation instructions supplied with the child restraint system. Always read and follow the manufacturer's instructions when using an infant or child restraint system or booster seat. Observe all warning signs in the vehicle interior and on the infant or child restraint. G WARNING Accident statistics show that children secured in the rear seats are safer than children secured in the front-passenger seat. For this reason, we strongly advise that you always secure children in the rear seats. Regardless of the seat position, children under 12 years must be secured correctly in a suitable infant or child restraint system or


Children in the vehicle


61


booster seat suitable for the size and weight of the child. The infant or child restraint system must be correctly secured using the vehicle's seat belt, the seat belt and Top Tether belt or the lower anchorages and the Top Tether belt in complete accordance with the child seat manufacturer's instructions. Occupants, in particular children, must sit as upright as possible, fasten the seat belt correctly and use a suitable infant restraint system, child restraint system or booster seat suitable for the size and weight of the child. Children can be seriously or even fatally injured by an air bag deploying. Observe the following important information if it is absolutely necessary to carry a child on the front-passenger seat: RUSA only: Your vehicle is equipped with air


bag technology that is designed to deactivate the front-passenger front air bag, when the system on the front- passenger seat detects the weight of a typical 12-month old child in a standard child restraint.


RUSA only: For children that weigh more


than a typical 12-month old child, the front- passenger front air bag can be activated or deactivated. Always make sure that the 42 indicator lamp is illuminated indicating that the front- passenger front air bag is deactivated. RCanada only: Children 12 years old and


under may ride on the front seat if a BabySmart™ compatible child restraint system is installed on the front-passenger seat. Use only Mercedes-Benz approved BabySmart™ compatible child restraint systems. A BabySmart™ compatible child restraint system will deactivate the front- passenger front air bag when installed correctly. The front-passenger front air bag will not be deactivated if the child restraint systems that are installed are not BabySmart™ compatible or if BabySmart™ compatible child restraint systems are not


62


Children in the vehicle


installed correctly. If the front-passenger front air bag is deployed in a collision, the child could be struck by the air bag. This could lead to serious or fatal injury.


RA child in a rear-facing child restraint on the


front-passenger seat will be seriously injured or even killed if the front-passenger front air bag inflates in a collision which could occur under some circumstances, even with the air bag technology installed in your vehicle. The only way to completely rule out this risk is by making sure you never place a child in a rearward-facing child restraint system on the front- passenger seat. For this reason, we strongly advise that you always carry children in a rearward-facing child restraint system on a rear seat.


RIf you must install a rear-facing child restraint on the front-passenger seat because circumstances require you to do so, make sure the 42
indicator lamp is illuminated, indicating that the front-passenger front air bag is deactivated. If the 42
indicator lamp does not light up or goes out when the child restraint system is installed, check the anchorages of the restraint system. Check the 42
indicator lamp regularly while driving to ensure that the 42 indicator lamp is illuminated. If the 42
indicator lamp lights up or remains out, you may only carry a child on the front- passenger seat once the system has been repaired. A child in a rear-facing child restraint on the front-passenger seat will be seriously injured or even killed if the front-passenger front air bag inflates.


Rwhen securing a child in a child restraint system on the front-passenger seat, you must: - move the front-passenger seat as far


back as possible


- use a child restraint system that is


suitable for the age, size and weight of the child


- observe the manufacturer's installation instructions in order to install and secure the child restraint system correctly. RFor children larger than the typical 12-


month-old child, the front-passenger front air bag can be activated or deactivated. G WARNING Infants and small children should never share a seat belt with another occupant. During an accident, they could be crushed between the occupant and seat belt. A child's risk of serious or fatal injuries is significantly increased if the child restraints are not properly secured in the vehicle and/ or the child is not properly secured in the child restraint. Children too big for a toddler restraint must ride in seats using regular seat belts. Position the shoulder belt across the chest and shoulder, not face or neck. A booster seat may be necessary to achieve proper seat belt positioning for children over 41 lb (18 kg) until they reach a height where a lap/shoulder belt fits properly without a booster. When the child restraint is not in use, remove it from the vehicle or secure it with the seat belt to prevent the child restraint from becoming a projectile in the event of an accident.


If an infant or child is traveling in the vehicle: X Secure the infant or child with an


appropriate infant or child restraint


recommended for the child's age and weight.


X Make sure that the infant or child is


properly secured at all times while the vehicle is in motion. G WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle, even if they are secured in a child restraint system, or with access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. The children could: Rinjure themselves on parts of the vehicle Rbe seriously or fatally injured through


excessive exposure to extreme heat or cold Rinjure themselves or cause an accident with


vehicle equipment that can be operated even if the SmartKey is removed from the ignition lock or removed from the vehicle, such as seat adjustment, steering wheel adjustment, or the memory function


If children open a door, they could injure other persons or get out of the vehicle and injure themselves or be injured by following traffic. Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very hot, and the child could be burned on these parts. G WARNING Do not carry heavy or hard objects in the passenger compartment or trunk unless they are firmly secured in place. Unsecured or improperly positioned cargo increases a child's risk of injury in the event of Rstrong braking maneuvers Rsudden changes of direction Ran accident


Children in the vehicle


63


Special seat belt retractor All seat belts except the driver's seat belt are equipped with a special seat belt retractor. When activated, the special seat belt retractor ensures the seat belt will not slacken once the child restraint system has been secured. Installing a child restraint system: X Always comply with the manufacturer's


installation instructions.


X Pull the seat belt smoothly from the inertia


reel.


X Engage the seat belt tongue in the belt


buckle.


Activating the special seat belt retractor: X Pull the seat belt out fully and let the inertia


reel retract it again. While the seat belt is retracting, you should hear a ratcheting sound. The special seat belt retractor is enabled.


X Push down on the child restraint system to


take up any slack.


Removing a child restraint system/ deactivating the special seat belt retractor: X Always comply with the manufacturer's


installation instructions.


X Press the seat belt release button and guide the belt tongue to the belt outlet. The special seat belt retractor is deactivated. G WARNING Never release the seat belt buckle while the vehicle is in motion, since the special seat belt retractor will be deactivated.


LATCH-type (ISOFIX) child seat anchors in the rear G WARNING Children that are too large for a child restraint must travel in seats using normal seat belts. Position shoulder belt across the chest and shoulder, not face or neck.


64


Children in the vehicle


In order to attain the correct seating position for children weighing over 41 lb (18 kg), it may be necessary to use a booster seat until they reach a height where a normal lap/shoulder seat belt lies properly across their bodies without the need for a booster seat. Install the child restraint system according to the manufacturer's instructions. The child restraint system must be installed firmly on both brackets. An incorrectly installed child restraint system can come loose in the event of an accident, causing the child to be severely or fatally injured. Child restraint systems/child restraint retaining brackets that are damaged or have suffered damage due to an impact must be replaced.


LATCH-type (ISOFIX) is a standardized securing system for specially designed child restraint systems on the rear seats. Securing rings for two LATCH-type (ISOFIX) child restraint systems are installed on the left and right: Ron the rear seat backrests of the outer


seats in the second row


Ron the backrests of the seats in the third


row of seats


Secure non LATCH-type (ISOFIX) child restraint systems using the vehicle's seat belt system. Always install child restraint systems according to the manufacturer's instructions. ! When installing the child restraint system, make sure that the seat belt for the center seat does not get trapped. Otherwise, the seat belt could be damaged.


X Remove covers :.


; Securing rings X Install the LATCH-type (ISOFIX) child


restraint system. Comply with the manufacturer's instructions when doing so.


Top Tether G WARNING Always lock the rear seat backrests in their upright position when the rear seats are occupied by passengers. Lock the rear seat backrests in their upright position before installing the Top Tether straps or when the cargo compartment is not in use. Make sure that rear seat backrests are secured properly by pushing and pulling on the seat backrests. If the seat backrest is not locked properly, the seat backrest could fold forward. The child restraint system is no longer supported properly or held in position and can no longer fulfill its function. This could cause serious or even fatal injuries.


Top Tether provides an additional connection between the child restraint system secured with ISOFIX and the rear seat. It helps reduce the risk of injury even further. The Top Tether anchorages for the second row of seats are located on the rear of the rear seat backrests. For the third row of seats, use the cargo tie-down rings in the trunk floor.


Children in the vehicle


65


X Remove respective covering cap : of the


Top Tether anchorage.


X Place covering cap : in a suitable place


(e.g. in the glove box).


X Move the head restraint upwards. X Install the LATCH-type (ISOFIX) child


restraint system with Top Tether. Comply with the manufacturer's installation instructions when doing so.


X Route Top Tether belt ? under the head restraint between the two head restraint bars.


X Route Top Tether belt ? downward


between the cargo compartment cover and the rear seat backrest.


X Hook Top Tether hook = of Top Tether belt ? into Top Tether anchorage ;. Ensure that: RTop Tether hook = is hooked into Top


Tether anchorage ; as shown. RTop Tether belt ? is not twisted. RTop Tether belt ? is routed between the


rear seat backrest and the cargo


66


Children in the vehicle


compartment cover if the cargo compartment cover is installed.


RTop Tether belt ? is routed between the


rear seat backrest and the cargo net if the cargo net is installed.


X Tension Top Tether belt ?. Comply with


the manufacturer's installation instructions when doing so.


X Move the head restraint back down again slightly if necessary (Y page 102). Make sure that you do not interfere with the correct routing of Top Tether belt ?.


Child-proof locks for the rear doors G WARNING Children could open a rear door from inside the vehicle. This could result in serious injuries or an accident. Therefore, when children ride in the rear always secure the rear doors with the child-proof locks.


You secure each door individually with the child-proof locks on the rear doors. A door secured with a child-proof lock cannot be opened from inside the vehicle. When the vehicle is unlocked, the door can be opened from the outside.


Child-proof locks Important safety notes G WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle, even if they are secured in a child restraint system, or with access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. The children could: Rinjure themselves on parts of the vehicle Rbe seriously or fatally injured through


excessive exposure to extreme heat or cold Rinjure themselves or cause an accident with


vehicle equipment that can be operated even if the SmartKey is removed from the ignition lock or removed from the vehicle, such as seat adjustment, steering wheel adjustment, or the memory function


If children open a door, they could injure other persons or get out of the vehicle and injure themselves or be injured by following traffic. Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very hot, and the child could be burned on these parts.


X To activate: press the child-proof lock lever down in the direction of arrow ;. X Make sure that the child-proof locks are


working properly.


X To deactivate: press the child-proof lock


lever up in the direction of arrow :.


Override feature for the rear side windows G WARNING When children ride on the vehicle's rear seats, activate the override switch. Otherwise, the children could be injured, e.g. by trapping themselves in the rear side window.


Driving safety systems


67


This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause interference, and 2. this device must accept any interference received, including interference that may cause undesired operation. Any unauthorized modification to this device could void the user's authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.


i Canada only:


This device complies with RSS-Gen of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must accept any interference received, including interference that may cause undesired operation. Any unauthorized modification to this device could void the user's authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.


Driving safety systems Driving safety systems overview In this section, you will find information about the following driving safety systems: RABS (Anti-lock Braking System) RBAS (Brake Assist System) RESP® (Electronic Stability Program) REBD (Electronic Brake force Distribution) RDistance warning function (vehicles with


DISTRONIC)


X To activate/deactivate: press switch :. Switch : is pushed in or extended. If the switch has engaged, operation of the rear side windows is deactivated. Operation is then only possible using the switches in the driver's door.


Panic alarm


X To activate: press ! button : for at


least one second. An alarm sounds and the exterior lighting flashes.


X To deactivate: press ! button :


again.


or X Insert the SmartKey into the ignition lock. or X Press the KEYLESS-GO Start/Stop button.


The KEYLESS-GO key must be in the vehicle.


i USA only:


68 Driving safety systems


Important safety notes G WARNING The following factors increase the risk of accidents: RExcessive speed, especially in turns RWet and slippery road surfaces RFollowing another vehicle too closely The driving safety systems described in this section cannot reduce these risks or prevent the natural laws of physics from acting on the vehicle. They cannot increase braking or steering efficiency beyond that afforded by the condition of the vehicle brakes and tires or the traction afforded. Only a safe, attentive, and skillful driver can prevent accidents. The capabilities of a vehicle equipped with the driving safety systems described in this section must never be exploited in a reckless or dangerous manner which could jeopardize the user's safety or the safety of others. Always adjust your driving style to the prevailing road and weather conditions and keep a safe distance to other road users and objects on the street. If a driving system malfunctions, other driving safety systems may also switch off. Observe indicator and warning lamps that may come on as well as messages in the multifunction display that may appear.


i Please note that the driving safety


systems described only work as effectively as possible when there is adequate contact between the tires and the road surface. Pay particular attention to the information regarding tires, recommended minimum tire tread depths etc. in the "Wheels and tires" section (Y page 338). In wintry driving conditions, always use winter tires (M+S tires) and if necessary, snow chains. Only in this way will the driving safety systems described in this section work as effectively as possible.


ABS (Anti-lock Braking System) Important safety notes i Observe the "Important safety notes"


section (Y page 68).


ABS regulates brake pressure in such a way that the wheels do not lock when you brake. This allows you to continue steering the vehicle when braking. ABS works from a speed of about 5 mph(8 km/h) upwards, regardless of road- surface conditions. ABS works on slippery surfaces, even when you only brake gently. G WARNING If the ABS malfunctions, other driving systems such as the BAS or the ESP® are also switched off. Observe indicator and warning lamps that may come on as well as messages in the multifunction display that may appear. If the ABS malfunctions, the wheels may lock during hard braking, reducing the steering capability and extending the braking distance.


The ! warning lamp in the instrument cluster lights up when the ignition is switched on. It goes out when the engine is running.


Braking If ABS intervenes when braking, you will feel a pulsing in the brake pedal. X If ABS intervenes: continue to depress the


brake pedal with force until the braking situation is over.


X To make a full brake application:


depress the brake pedal with full force.


The pulsating brake pedal can be an indication of hazardous road conditions, and functions as a reminder to take extra care while driving. G WARNING Do not pump the brake pedal. Use firm, steady brake pedal pressure instead. Pumping the brake pedal defeats the purpose of the ABS


and significantly reduces braking effectiveness.


Off-road ABS An ABS mode specifically suited to off-road terrain is activated automatically if the off- road drive program (Y page 206) is activated or the LOW RANGE (Y page 206) off-road gear is selected. At speeds below 18 mph(30 km/h), the front wheels lock periodically when braking. The digging-in effect achieved in the process reduces the stopping distance on off-road terrain. This limits steering capability.


BAS (Brake Assist System) i Observe the "Important safety notes"


section (Y page 68).


BAS operates in emergency braking situations. If you depress the brake pedal quickly, BAS automatically boosts the braking force, thus shortening the stopping distance. X Keep the brake pedal firmly depressed until


the emergency braking situation is over. ABS prevents the wheels from locking. The brakes will function as usual once you release the brake pedal. BAS is deactivated. G WARNING If the BAS malfunctions, the brake system still functions, but without the additional brake boost available that the BAS would normally provide in an emergency braking maneuver. Therefore, the braking distance may increase.


ESP® (Electronic Stability Program) Important safety notes i See the "Important safety notes" section


(Y page 68).


If ESP® detects that the vehicle is deviating from the direction desired by the driver, one


Driving safety systems


69


or more wheels are braked to stabilize the vehicle. If necessary, the engine output is also modified to keep the vehicle on the desired course within physical limits. ESP® assists the driver when pulling away on wet or slippery roads. ESP® can also stabilize the vehicle during braking. If ESP® intervenes, the ÷ ESP® warning lamp flashes in the instrument cluster. G WARNING Under no circumstances should you deactivate ESP® when the ÷ ESP® warning lamp in the instrument cluster flashes. Proceed as follows: Rwhen driving off, apply as little throttle as


possible.


Rwhile driving, ease up on the accelerator


pedal.


Radapt your speed to suit the prevailing road


and weather conditions.


Failure to observe these guidelines could cause the vehicle to skid. ESP® cannot prevent accidents resulting from excessive speed.


! Only operate the vehicle for a maximum


of ten seconds on a brake test dynamometer. Switch off the ignition. Application of the brakes by ESP® may otherwise destroy the brake system.


! Function or performance tests may only be performed on a 2-axle dynamometer. If you wish to operate the vehicle on such a dynamometer, please consult an authorized Mercedes-Benz Center beforehand. You could otherwise damage the drive train or the brake system.


i Only use wheels with the recommended


tire sizes. Only then will ESP® function properly.


70 Driving safety systems


4ETS (Electronic Traction System) i Observe the "Important safety notes"


section (Y page 68).


Traction control is part of ESP®. Traction control brakes the drive wheels individually if they spin. This enables you to pull away and accelerate on slippery surfaces, for example if the road surface is slippery on one side. In addition, more drive torque is transferred to the wheel or wheels with traction. Traction control remains active if you deactivate ESP®. X Activate the off-road drive program


(Y page 206) or engage the LOW RANGE (Y page 206) off-road gear if appropriate for the driving conditions. G WARNING Traction control cannot reduce the risk of an accident if you drive too fast. Traction control cannot override the laws of physics.


Off-road 4ETS (Electronic Traction System) A 4ETS system specifically suited to off-road terrain is activated automatically if the off- road drive program is activated (Y page 206) or the LOW RANGE (Y page 206) off-road gear is selected.


Deactivating/activating ESP® i Observe the "Important safety notes"


section (Y page 68). G WARNING ESP® should not be deactivated during normal driving other than in the circumstances described below. Disabling the system will reduce vehicle stability in driving maneuvers. Do not deactivate ESP® when the emergency or spare wheel is mounted.


ESP® is activated automatically when the engine is started. It may be best to deactivate ESP® in the following situations: Rwhen using snow chains Rin deep snow Ron sand or gravel G WARNING Switch on ESP® immediately if one of the previously stated conditions is no longer met. Otherwise, ESP® cannot stabilize the vehicle if it begins to lurch or when a wheel spins.


When you deactivate ESP®: RESP® no longer improves driving stability. Rthe engine's torque is no longer limited and the drive wheels can spin. The spinning of the wheels results in a cutting action, which provides better grip.


Rtraction control is still activated. RESP® still provides support when you


brake.


If ESP® is deactivated and one or more wheels start to spin, the ÷ ESP® warning lamp in the instrument cluster flashes. In such situations, ESP® will not stabilize the vehicle.


X To deactivate: press button :.


The å ESP® OFF warning lamp in the instrument cluster lights up.


G WARNING When the å ESP® OFF warning lamp is lit, ESP® is deactivated. If the ÷ ESP® warning lamp and the å ESP® OFF warning lamp remain lit, ESP® is not available due to a malfunction. When ESP® is deactivated or not operational, vehicle stability in standard driving maneuvers is reduced. Adapt your speed and driving to the prevailing road conditions and to the non-operating status of the ESP®.


! Avoid spinning the driven wheels for an extended period with ESP® deactivated. You could otherwise damage the drivetrain.


X To activate: press button :.


The å ESP® OFF warning lamp in the instrument cluster goes out.


Off-road ESP® An ESP® system specifically suited to off-road terrain is activated automatically if the off- road drive program is activated (Y page 206)or if the LOW RANGE (Y page 206) off-road gear is selected. It intervenes with a delay if there is oversteering or understeering, thus improving traction.


ESP® trailer stabilization If your vehicle with trailer (vehicle/trailer combination) begins to lurch, you can only stabilize the vehicle/trailer combination by depressing the brake firmly. In this situation, ESP® assists you and can detect if the vehicle/trailer combination begins to lurch. ESP® slows the vehicle down by braking and limiting the engine output until the vehicle/trailer combination has stabilized. Trailer stabilization is active from a speed of approximately 40 mph(65 km/h).


Driving safety systems


71


G WARNING The system will not be able to assist when the trailer jackknifes Rif the ESP® has switched off due to a


malfunction


Ron wet or icy roads Ron roads with slippery surface Rin sand or gravel Trailers with a high center of gravity may tip over before the system recognizes swaying of the trailer.


Trailer stabilization does not work if ESP® is deactivated or disengaged because of a malfunction.


EBD (electronic brake force distribution) i Observe the "Important safety notes"


section (Y page 68).


EBD monitors and controls the brake pressure on the rear wheels to improve driving stability while braking. G WARNING If EBD has malfunctioned, the braking system remains available with full brake boosting effect. However, the rear wheels can still lock, e.g. under full braking. This could cause you to lose control of your vehicle and cause an accident. You should therefore adapt your driving style to the different handling characteristics.


X Observe the notes on warning and indicator


lamps (Y page 260) as well as display messages (Y page 235).


72


Theft deterrent locking systems


Distance warning function (vehicles with DISTRONIC) This function provides a warning from a speed of approximately 20 mph(30 km/h), if: Rfor a period of several seconds, the


distance to the vehicle in front is too short for the speed at which you are traveling. The · distance warning lamp in the instrument cluster will light up.


Ryou are rapidly approaching the vehicle in


front. An intermittent warning tone will then sound and the · distance warning lamp will light up in the instrument cluster. You must apply the brakes yourself in order to maintain the appropriate distance to the vehicle in front and prevent a collision. G WARNING If the distance warning lamp · in the instrument cluster comes on while driving and/or an intermittent warning sounds, immediate attention on the part of the driver is required. As required by the traffic situation, apply the brakes and navigate around a possible obstacle. However, do not drive by relying on the distance warning function, as this will result in an emergency braking application. This will not always enable you to avoid a collision, especially when traveling on varying road surface conditions and with varying driver reaction. Complex driving situations are not always fully recognized by the distance warning function. This could result in wrong or missing distance warnings.


X To activate/deactivate: activate or


deactivate the distance warning function in the on-board computer (Y page 228). After activation, the Ä symbol is displayed in the lower multifunction display.


Theft deterrent locking systems Immobilizer The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be started by anyone with a valid SmartKey that is left inside the vehicle. X To activate with the SmartKey: remove


the SmartKey from the ignition lock.


X To activate with KEYLESS-GO: switch the


ignition off and open the driver's door. X To deactivate: switch on the ignition. i The immobilizer is always deactivated


when you start the engine. In the event that the engine cannot be started when the starter battery is fully charged, the immobilizer may be faulty. Contact an authorized Mercedes-Benz Center or call 1-800-FOR-MERCedes (in USA) or 1-800-387-0100 (in Canada).


ATA (Anti-Theft Alarm system) A visual and audible alarm is triggered if the alarm system is armed and you open: Ra door Rthe vehicle with the mechanical key Rthe tailgate Rthe hood The alarm is not switched off, even if you close the open door that has triggered it, for example.


i If the alarm stays on for more than 30


seconds, the emergency call system mbrace (USA only) or TELE AID (Canada only) initiates a call to the Customer Assistance Center automatically. The emergency call system initiates the call provided that: Ryou have subscribed to the mbrace/


TELE AID service.


Theft deterrent locking systems


73


X To stop the alarm using KEYLESS-GO:


grasp the outside door handle. The SmartKey must be outside the vehicle. The alarm is switched off.


or X Press the Start/Stop button on the


dashboard. The SmartKey must be inside the vehicle. The alarm is switched off.


Rthe mbrace/TELE AID service has been


activated properly.


Rthe required mobile phone, power supply


and GPS are available.


X To arm: lock the vehicle with the SmartKey


or KEYLESS-GO. Indicator lamp : flashes. The alarm system is armed after approximately 10
seconds.


X To deactivate: unlock the vehicle with the


SmartKey or KEYLESS-GO.


X To stop the alarm using the SmartKey: insert the SmartKey into the ignition lock. The alarm is switched off.


or X Press the % or & button on the


SmartKey. The alarm is switched off.


74


Useful information .............................. 76
SmartKey ............................................. 76
Doors .................................................... 83
Cargo compartment ............................ 85
Side windows ...................................... 90
Sliding sunroof .................................... 93


75


76


SmartKey


Useful information


i This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are possible. Please note that your vehicle may not be equipped with all features described. This also applies to safety- related systems and functions.


i Please read the information on qualified


specialist workshops (Y page 24).


SmartKey Important safety notes G WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the vehicle, even if they are secured in a child restraint system, and do not give them access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. They could: Rinjure themselves on vehicle parts Rbe seriously or fatally injured by extreme


heat or cold


Rinjure themselves or have an accident with


vehicle equipment that may still be in operation even after the SmartKey has been removed from the ignition, such as the seat adjustment, steering wheel adjustment or memory function.


If children open a door, they could cause severe or even fatal injury to other persons; if they get out of the vehicle, they could injure themselves when doing so or be seriously or even fatally injured by any passing traffic. Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very


hot, and a child could be burned on these parts. G WARNING If a key ring is too heavy or too large, the weight acting on the key could cause it to turn in the ignition lock or catch on the steering wheel. This could cause the engine to be switched off suddenly. You could lose control of the vehicle and cause an accident. Do not attach any heavy or large key rings to the key that is inserted in the ignition.


General information If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. X Check the battery in the SmartKey and


replace it if necessary (Y page 80). X Unlock the driver's door using the


mechanical key (Y page 85). X Lock the vehicle (Y page 85). X Have the starter battery and battery contacts checked at an authorized Mercedes-Benz Center.


If the SmartKey is faulty, contact Roadside Assistance or an authorized Mercedes-Benz Center.


SmartKey functions General notes i USA only:


This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must accept any interference received, including interference that may cause undesired operation.


Any unauthorized modification to this device could void the user’s authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.


i Canada only:


This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause interference, and 2. this device must accept any interference received, including interference that may cause undesired operation of the device. Any unauthorized modification to this device could void the user’s authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.


Locking and unlocking centrally The SmartKey centrally locks/unlocks: Rthe doors Rthe tailgate Rthe fuel filler flap


: & Locks the vehicle ; F Opens/closes the tailgate = % Unlocks the vehicle When unlocking, the turn signals flash once. When locking, they flash three times.


SmartKey


77


When it is dark, the surround lighting also comes on if it is activated in the on-board computer (Y page 225). You can also set an audible signal to confirm that the vehicle has been locked or unlocked. The audible signal can be activated and deactivated using the on-board computer (Y page 226). X To unlock centrally: press the %


button.


If you do not open the vehicle within approximately 40 seconds of unlocking: Rthe vehicle is locked again. Rthe theft deterrent locking system is armed


again.


X To lock centrally: press the & button.


KEYLESS-GO General notes i USA only:


This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must accept any interference received, including interference that may cause undesired operation. Any unauthorized modification to this device could void the user’s authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.


i Canada only:


This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause interference, and


78


SmartKey


2. this device must accept any interference received, including interference that may cause undesired operation of the device. Any unauthorized modification to this device could void the user’s authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.


Important notes on the use of KEYLESS- GO RThe KEYLESS-GO key can be used like a


conventional key.


RYou can combine KEYLESS-GO functions


with those of a conventional key, e.g. unlock with KEYLESS-GO and lock with the & button.


RAlways carry your KEYLESS-GO key on your


person.


RDo not keep the KEYLESS-GO key together


with: - electronic devices, e.g. a mobile phone


or another key


- metallic objects, e.g. coins or metal foil. This can affect the functionality of KEYLESS-GO.


RWhen locking and unlocking using


KEYLESS-GO, the distance between the SmartKey and the corresponding door handle must not exceed 3 ft (1 m).


RIf the vehicle is parked for more than 72 hours, the KEYLESS-GO function is deactivated. Pull the outer door handle and switch on the ignition to reactivate the KEYLESS-GO function.


RIf the KEYLESS-GO key is removed from the vehicle, it is possible that the system may not recognize the SmartKey. The vehicle


can then not be locked or started using KEYLESS-GO.


RIf the KEYLESS-GO key has been removed from the vehicle, e.g. if a passenger leaves the vehicle with a KEYLESS-GO key:


if the Start/Stop button is pressed or if an attempt is made to lock the vehicle with the locking button on the outer door handle, the Key Not Detected message appears in the multifunction display - while the engine is running, the red Key Not Detected message will appear in the multifunction display as you pull away. Find the KEYLESS-GO key and change its position in the vehicle. Carry the KEYLESS-GO key in your shirt pocket, for example.


RIf you have started the engine with the Start/Stop button, you can switch it off again by: - pressing the Start/Stop button again inserting the KEYLESS-GO key into the ignition lock if the vehicle is stationary and the automatic transmission is in park position P.


RYou could unlock the vehicle by mistake if the distance between the KEYLESS-GO key and the vehicle is less than 3 ft (1 m) and: - an exterior door handle is hit by a water


jet or


- you clean an exterior door handle.


RBear in mind that the engine can be started by any of the vehicle occupants if there is a KEYLESS-GO key in the vehicle.


X To unlock the vehicle: touch the inner


surface of the door handle.


X To lock the vehicle: press locking


button :.


X Convenience closing feature: press


locking button : for an extended period (Y page 92).


If you pull on the handle of the tailgate, only the cargo compartment of the vehicle is unlocked.


Changing the settings of the locking system You can change the setting of the locking system in such a way that only the driver's door and the fuel filler flap are unlocked. This is useful if you frequently travel on your own. X To change the setting: press and hold


down the % and & buttons simultaneously for approximately six seconds until the battery check lamp (Y page 80) flashes twice.


i If the setting of the locking system is changed within the signal range of the vehicle, pressing the & or % button locks or unlocks the vehicle.


The SmartKey now functions as follows: X To unlock the driver's door: press the


% button once.


X To unlock centrally: press the %


button twice.


X To lock centrally: press the & button.


SmartKey


79


The KEYLESS-GO function is changed as follows: X To unlock the driver's door: touch the inner surface of the door handle on the driver's door.


X To unlock centrally: touch the inner


surface of the door handle on the front- passenger door or the rear door.


X To lock centrally: press the locking button


on one of the door handles.


Restoring the factory settings X Press the % and & buttons


simultaneously for approximately six seconds until the battery check lamp flashes twice.


Mechanical key General notes If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered (Y page 72). There are several ways to turn off the alarm: X To turn the alarm off with the


SmartKey: press the % or & button on the SmartKey.


or X Insert the SmartKey into the ignition lock. or X To deactivate the alarm with KEYLESS-


GO: press the Start/Stop button in the ignition lock. The SmartKey must be in the vehicle.


or X Lock or unlock the vehicle using KEYLESS-


GO. The SmartKey must be outside the vehicle.


80


SmartKey


Removing the mechanical key


Checking the battery


X Push release catch : in the direction of the arrow and at the same time, remove mechanical key ; from the SmartKey.


SmartKey battery Important safety notes It is advisable to have batteries replaced at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. G WARNING Batteries contain toxic and caustic substances. For this reason, keep batteries out of the reach of children. If a battery has been swallowed, seek medical help immediately. G WARNING The SmartKey batteries contain perchlorate material, which may require special handling and regard for the environment. Observe government disposal guidelines. California residents, see www.dtsc.ca.gov/ HazardousWaste/Perchlorate/ index.cfm.


X Press the & or % button.


The SmartKey battery is working properly if battery check lamp : lights up briefly. If battery check lamp : does not light up briefly during the test, the SmartKey battery is discharged. X Changing the battery (Y page 80) i The battery can be obtained from any


authorized Mercedes-Benz Center.


i If the SmartKey battery is checked within the signal reception range of the vehicle, pressing the & or % button locks or unlocks the vehicle.


Changing the battery You require a CR 2025 3 V cell battery. X Take the mechanical key out of the


SmartKey (Y page 79).


X Press mechanical key ; into the opening


in the SmartKey in the direction of the


arrow until battery tray cover : opens. When doing so, do not hold cover : shut.


X Remove battery tray cover :.


SmartKey


81


X Repeatedly tap the SmartKey against your


palm until battery = falls out.


X Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.


X Make sure that the surface of the battery is free from lint, grease and all other forms of contamination.


X Insert the front tabs of battery tray cover : and then press to close it. X Insert the mechanical key into the


SmartKey.


X Check the function of all SmartKey buttons


on the vehicle.


82


SmartKey


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