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cidents: 앫 Excessive speed, especially in turns 앫 Wet and slippery road surfaces 앫 Following another vehicle too closely The ABS, BAS, ESP, SBC and 4MATIC cannot reduce this risk.


Always adjust your driving style to the pre- vailing road and weather conditions.


Safety and Security Driving safety systems


ABS


Warning!


Do not pump the brake pedal. Use firm, steady brake pedal pressure instead. Pump- ing the brake pedal defeats the purpose of the ABS and significantly reduces braking effectiveness.


The Antilock Brake System (ABS) regulates the brake pressure so that the wheels do not lock during braking. This allows you to maintain the ability to steer your vehicle. The ABS is functional above a speed of approximately 5 mph (8 km/h) indepen- dent of road surface conditions. On slippery road surfaces, the ABS will re- spond even to light brake pressure. The - indicator lamp in the instrument cluster comes on when you switch on the ignition. It goes out when the engine is run- ning.


87


Safety and Security Driving safety systems


Braking If the ABS activates during braking, the ABS/ESP warning lamp v in the instru- ment cluster dial flashes. Because of the SBC brake system, you will not feel any pulsation in the brake pedal. 왘 Keep firm and steady pressure on the


brake pedal.


Continuous, steady brake pedal pressure yields the advantages provided by the ABS, namely braking power and the ability to steer the vehicle. The ABS/ESP warning lamp v flashes whenever the ABS is activated which can be an indication of hazardous road condi- tions and functions as a reminder to take extra care while driving.


88


Emergency brake maneuver 왘 Keep continuous full pressure on the


Warning!


brake pedal.


Warning!


When the ABS is malfunctioning, the BAS and the ESP are also switched off.


When the ABS is malfunctioning, the wheels may lock during hard braking, reducing steering capability and extending the brak- ing distance.


The ABS cannot prevent the natural laws of physics from acting on the vehicle, nor can it increase braking or steering efficiency be- yond that afforded by the condition of the vehicle brakes and tires or the traction af- forded. The ABS cannot prevent accidents, including those resulting from excessive speed in turns, following another vehicle too closely, or hydroplaning. Only a safe, atten- tive, and skillful driver can prevent acci- dents. The capabilities of an ABS equipped vehicle must never be exploited in a reck- less or dangerous manner which could jeop- ardize the user’s safety or the safety of others.


For more information, see the “Practical hints” section (컄 page 353).


BAS


The Brake Assist System (BAS) operates in emergency situations. If you apply the brakes very quickly, the BAS automatically provides full brake boost, thereby poten- tially reducing the braking distance. 왘 Apply continuous full braking pressure until the emergency braking situation is over. The ABS will prevent the wheels from locking.


When you release the brake pedal, the brakes function again as normal. The BAS is then deactivated.


Warning!


If the BAS is malfunctioning, the brake sys- tem is still functioning normally, but without the additional brake boost available that BAS would normally provide in an emergen- cy braking maneuver. Therefore, the braking distance may increase.


Safety and Security Driving safety systems


Warning!


ESP


The BAS cannot prevent the natural laws of physics from acting on the vehicle, nor can it increase braking efficiency beyond that afforded by the condition of the vehicle brakes and tires or the traction afforded. The BAS cannot prevent accidents, includ- ing those resulting from excessive speed in turns, following another vehicle too closely, or hydroplaning. Only a safe, attentive, and skillful driver can prevent accidents. The ca- pabilities of a BAS equipped vehicle must never be exploited in a reckless or danger- ous manner which could jeopardize the us- er’s safety or the safety of others.


The Electronic Stability Program (ESP) is operational as soon as the engine is run- ning and monitors the vehicle's traction (force of adhesive friction between the tires and the road surface) and handling. The ESP recognizes when a wheel is spin- ning or if the vehicle starts to skid. By ap- plying brakes to the appropriate wheel and by limiting engine output, the ESP works to stabilize the vehicle. The ESP is especially useful while driving off and on wet or slip- pery road surfaces. The ESP also stabilizes the vehicle during braking maneuvers. The ABS/ESP warning lamp v in the in- strument cluster flashes when the ESP is engaged. The ABS/ESP warning lamp v in the instrument cluster comes on when you switch on the ignition. It goes out when the engine is running.


89


Safety and Security Driving safety systems


Warning!


Warning!


Never switch off the ESP when you see the ABS/ESP warning lamp v flashing in the instrument cluster. In this case proceed as follows: 앫 While driving off, apply as little throttle


as possible.


앫 While driving, ease up on the accelera-


tor.


앫 Adapt your speed and driving style to


the prevailing road conditions.


Failure to observe these guidelines could cause the vehicle to skid.


The ESP cannot prevent accidents resulting from excessive speed.


The ESP cannot prevent the natural laws of physics from acting on the vehicle, nor can it increase the traction afforded. The ESP cannot prevent accidents, including those resulting from excessive speed in turns, or hydroplaning. Only a safe, attentive, and skillful driver can prevent accidents. The ca- pabilities of an ESP equipped vehicle must never be exploited in a reckless or danger- ous manner which could jeopardize the us- er’s safety or the safety of others.


The ESP will only function properly if you use wheels of the recommended tire size (컄 page 443).


Vehicles without 4MATIC: Because of the ESP’s automatic opera- tion, the engine and ignition must be shut off (SmartKey in starter switch position 0 or 1 or KEYLESS-GO start/stop button* in position 0 or 1) when: 앫 the parking brake is being tested on


a brake test dynamometer


앫 the vehicle is being towed with the


front axle raised


Active braking action through the ESP may otherwise seriously damage the brake system. For information on vehicles with 4MATIC, see “Four wheel electronic traction system (4MATIC) with the ESP” (컄 page 95).


For more information, see the “Practical hints” section (컄 page 353).


90


When you switch off the ESP 앫 the ESP does not stabilize the vehicle 앫 the engine output is not limited, which


allows the drive wheels to spin and thus cut into surfaces for better grip 앫 the traction control will still brake a


spinning wheel


앫 the ESP continues to operate when you


are braking


앫 you cannot activate Distronic*


When the ESP is switched off and one or more drive wheels are spinning, the ABS/ESP warning lamp v in the speedometer flashes. However, the ESP will then not stabilize the vehicle.


Switching off the ESP


Warning!


The ESP should not be switched off during normal driving other than in the circum- stances described below. Disabling of the system will reduce vehicle stability in driving maneuvers.


To improve the vehicle's traction, turn off the ESP in driving situations where it would be advantageous to have drive wheels spin and thus cut into surfaces for better grip such as: 앫 starting out on slippery surfaces and in


deep snow in conjunction with snow chains


앫 in sand or gravel


Turn on the ESP immediately if the aforementioned circumstances do not apply anymore.


Safety and Security Driving safety systems


The switch is located on the center con- sole.


1 ESP off/on switch 왘 Press ESP switch 1 until the


ABS/ESP warning lamp v in the instrument cluster comes on. The ESP is deactivated.


91


Safety and Security Driving safety systems


Warning!


Switching on the ESP 왘 Press ESP switch 1.


When the ABS/ESP warning lamp v is illuminated continuously, the ESP is switched off.


Adapt your speed and driving to the prevail- ing road conditions and to the non-operating status of the ESP.


Avoid spinning of a drive wheel for an extended period with the ESP switched off. This may cause serious damage to the drivetrain which is not covered by the Mercedes-Benz Limited Warranty.


The ABS/ESP warning lamp v in the instrument cluster goes out. You are now again in normal driving mode with the ESP switched on.


Turn on the ESP immediately if the aforementioned circumstances do not apply anymore.


SBC brake system


The SBC brake system combines a hydrau- lic brake circuit with electronically con- trolled brake servo assistance. You have increased braking safety and improved braking comfort.


Warning!


Never ignore a brake malfunction indicated in the speedometer display, for example by the ; (USA only) or 3 (Canada only) warning lamp. Refer to the “Practical hints” section (컄 page 354). Also read and ob- serve the messages in the instrument clus- ter display (컄 page 362).


92


Safety and Security Driving safety systems


If there is a malfunction in the SBC brake system, we recommend that the vehicle be transported with all wheels off the ground using flatbed or appropriate wheel lift/dolly equipment. A tow bar must be used if cir- cumstances do not permit the use of the recommended towing methods and the ve- hicle requires towing with all four wheels on the ground. Towing the vehicle with all four wheels on the ground is only permissible for distances up to 30 miles (50 km) and at a speed not to exceed 30 mph (50 km/h). For more information, refer to “Towing the vehi- cle” (컄 page 430).


The SBC brake system is automatically activated when you: 앫 unlock the vehicle with the SmartKey


or the KEYLESS-GO*


앫 open the driver’s or passenger door 앫 turn the SmartKey in the starter switch


to position 1


앫 in vehicles with KEYLESS-GO*, press the start/stop button on gear selector lever once


앫 depress the brake pedal 앫 release the parking brake


Warning!


The SBC brake system requires electrical power to operate.


A malfunction in the vehicle’s power supply or electrical system may impair brake sys- tem operation and switch it into its emer- gency operation mode. In such a case, the red brake warning lamp (컄 page 354) and warning messages in the instrument cluster (컄 page 362) come on while driving. To brake, the driver must then apply signifi- cantly greater brake pedal pressure and de- press the pedal much further to obtain the expected braking effect. If necessary, apply full pressure to the brake pedal. Brakes may only be applied to the front wheels. Stop- ping distance is increased!


93


Safety and Security Driving safety systems


If the SBC brake system is activated as the brake pedal is first depressed, you may feel a reduced pedal resistance and longer pedal travel than normal. When releasing the pedal, you may also feel the brake pedal pulsate and you may hear a sound which is caused by the activation of the SBC brake system pump. This is normal and not an indica- tion of a malfunction. Pedal travel re- turns to normal when you release the brake pedal and the sound soon ceas- es. If you experience the above while driv- ing and the red brake warning lamp (컄 page 354) illuminates and/or warn- ing messages appear in the instrument cluster (컄 page 362), the brake system is malfunctioning. Follow the instruc- tions of the warning message(s) and have the brake system checked imme- diately.


Warning!


Have brake pad replacement and other work on the SBC brake system carried out by qualified technicians only. Contact an authorized Mercedes-Benz Center for fur- ther information. The SBC brake system must be deactivated prior to working on the system. High pressure is intermittently built up in the system as part of its automatic self-test. In addition, the system is automat- ically activated when the vehicle is unlocked by SmartKey, when the driver or passenger door is opened, when the starter switch is turned to position 1, when the brake pedal is depressed or when the parking brake is released. Failure to deactivate the system prior to maintenance will cause brake pis- tons to extend and brake fluid to leak, which may result in injuries (contusions and acid burns). Extended brake pistons may also cause injury.


The SBC brake servo assistance switches off automatically 앫 approximately two minutes after you


turned the SmartKey in the starter switch to position 0 or removed the SmartKey


앫 approximately two minutes after you pressed the KEYLESS-GO* start/stop button to turn off the engine or power supply and opened the driver’s door (with driver’s door open, the starter switch is set to position 0, same as SmartKey removed from starter switch)


앫 approximately 20 seconds after you


locked the vehicle from outside


94


앫 On long and steep grades, shift to a lower gear (gear range 1, 2, or 3) to prevent the brakes from overheating and to reduce brake wear.


앫 After hard braking, it is advisable to


drive on for some time so that the air stream will cool down the brakes fast- er.


앫 Only Mercedes-Benz approved compo-


nents (e.g. brake pads) should be installed on your vehicle. Brake pads not approved by Mercedes-Benz may impair the safety of your vehicle.


Note on driving with the SBC 앫 Following extended periods of only


minor loads to your brake system, you should occasionally apply the brakes when traveling at high speeds. This improves the grip of the brake pads.


Warning!


Be very careful not to endanger other road users when you apply the brakes.


앫 After driving on wet or snow-covered roads, you should apply your brakes firmly before parking your vehicle. This produces heat which serves to dry the brake disks and help prevent corro- sion.


Safety and Security Driving safety systems


Four wheel electronic traction system (4MATIC) with the ESP


Models with all-wheel-drive only. The 4MATIC improves vehicle’s ability to use available traction, e.g. during winter operation in mountains under snowy conditions, by applying power to all four wheels.


Warning!


If you see the ESP warning lamp v flash- ing in the speedometer, proceed as follows: 앫 While driving off, apply as little throttle


as possible


앫 While driving, ease up on the accelera-


tor


앫 Adapt your speed and driving style to


the prevailing road conditions


Failure to observe these guidelines could cause the vehicle to skid.


The ESP cannot prevent accidents resulting from excessive speed.


95


Safety and Security Driving safety systems


Do not tow with one axle raised. Otherwise the transfer case can be damaged, which is not covered by the Mercedes-Benz Limited Warranty.


Performance testing must only be con- ducted on a two-axle dynamometer. Otherwise the transfer case can be damaged, which is not covered by the Mercedes-Benz Limited Warranty.


Because of the ESP’s automatic opera- tion, the engine and ignition must be shut off (SmartKey in starter switch position 0 or 1 or KEYLESS-GO start/stop button* in position 0 or 1) when the parking brake is being tested on a brake test dynamometer. Active braking action through ESP may otherwise seriously damage the front or rear axle brake system. Operational tests with the engine running can only be conducted on a two-axle dynamometer.


96


왔 Anti-theft systems Immobilizer


The immobilizer prevents unauthorized persons from starting your vehicle.


Activating 앫 With the SmartKey: Removing the


SmartKey from the starter switch acti- vates the immobilizer.


앫 With KEYLESS-GO*: Turning off the en-


gine by means of the KEYLESS-GO start/stop button on the gear selector lever activates the immobilizer.


Deactivating 앫 With the SmartKey: Inserting the


SmartKey in the starter switch deacti- vates the immobilizer.


앫 With KEYLESS-GO*: Starting the en-


gine by means of the start/stop button on the gear selector lever deactivates the immobilizer.


Safety and Security Anti-theft systems


In case the engine cannot be started (yet the vehicle’s battery is charged), the system is not operational. Contact an authorized Mercedes-Benz Center or call 1-800-FOR-MERCedes (in the USA), or 1-800-387-0100 (in Canada).


97


Safety and Security Anti-theft systems


Anti-theft alarm system


Once the alarm system has been armed, a visual and audible alarm is triggered when someone opens 앫 a door 앫 the tailgate 앫 the hood. The alarm will stay on, even if the activat- ing element (a door, for example) is imme- diately closed. The alarm system will also be triggered when 앫 someone attempts to raise the vehicle. 앫 opening the vehicle with the mechani-


cal key.


앫 someone opens a door from the inside if the vehicle was locked from the out- side with the SmartKey or KEYLESS-GO.


98


If the alarm stays on for more than 30 seconds, a call to the Response Center is initiated automatically by the Tele Aid system* (컄 page 269) provid- ed Tele Aid service was subscribed to and properly activated, and that neces- sary cellular service and GPS coverage are available.


If the turn signal lamps do not flash three times, one of the following ele- ments may not be properly closed: 앫 a door 앫 the tailgate Close the respective element and lock the vehicle again.


Arming the alarm system The alarm system is armed within approxi- mately ten seconds after locking the vehi- cle with the SmartKey or KEYLESS-GO*. The turn signal lamps flash three times to indicate that the alarm system is activated. The indicator lamp in the central locking switch (컄 page 27) begins to flash after arming the alarm system.


Disarming the alarm system The alarm system is disarmed when you unlock your vehicle with the SmartKey or KEYLESS-GO*. The turn signal lamps flash once to indicate that the alarm system is deactivated.


Canceling the alarm


Tow-away alarm


Once the tow-away alarm is armed, a visual and audible alarm will be triggered when someone attempts to raise the vehicle.


The tow-away protection alarm is trig- gered, for example, if the vehicle is lift- ed on one side. If the alarm stays on for more than 30 seconds, a call to the Response Center is initiated automatically by the Tele Aid system* (컄 page 269), provid- ed that the Tele Aid service was sub- scribed to and properly activated, and that necessary cellular service and GPS coverage are available.


With the SmartKey 왘 Insert the SmartKey in the starter


switch.


or 왘 Press the Œ or ‹ button on the


SmartKey. The alarm is canceled.


With KEYLESS-GO* 왘 Pull the outside door handle.


The SmartKey with KEYLESS-GO must be within 3 ft (1 m) of the vehicle.


or 왘 Press the KEYLESS-GO* start/stop


button (컄 page 35). The SmartKey with KEYLESS-GO must be inside the vehicle. The alarm is canceled.


Safety and Security Anti-theft systems


Arming the tow-away alarm When you lock your vehicle, the tow-away alarm is automatically armed after about 30 seconds. When you unlock your vehicle, the tow-away protection disarms automatical- ly.


99


Safety and Security Anti-theft systems


Disarming the tow-away alarm To prevent triggering the tow-away alarm feature, switch off the tow-away alarm be- fore towing the vehicle, or when parking on a surface subject to movement, such as a ferry or auto train. The button is located on the overhead con- trol panel.


1 Tow-away alarm off button 왘 Switch off the ignition and remove the


SmartKey from the starter switch.


100


You cannot disarm the tow-away alarm when the ignition is switched on.


Canceling tow-away alarm To cancel the alarm:


왘 Press button 1.


The indicator lamp in the button comes on briefly.


왘 Exit and lock your vehicle with the


SmartKey or (vehicles with KEYLESS-GO*) the lock button at each door handle.


The tow-away alarm remains disarmed un- til you lock your vehicle again.


With the SmartKey 왘 Insert the SmartKey in the starter


switch.


or 왘 Press the Œ or ‹ button on the


SmartKey.


With KEYLESS-GO* 왘 Pull the outside door handle.


The SmartKey with KEYLESS-GO must be within 3 ft (1 m) of the vehicle.


or 왘 Press the KEYLESS-GO* start/stop


button (컄 page 35). The SmartKey with KEYLESS-GO must be inside the vehicle. The alarm is canceled.


Controls in detail Locking and unlocking


Seats


Memory function


Lighting


Instrument cluster


Control system


Automatic transmission


Good visibility


Dual-zone automatic climate control


4-zone automatic climate control*


Power windows


Power tilt/sliding sunroof*


Driving systems


Loading


Useful features


101


Controls in detail Locking and unlocking


In the “Controls in detail” section you will find detailed information on how to oper- ate the equipment installed on your vehi- cle. If you are already familiar with the basic functions of your vehicle, this section will be of particular interest to you. To quickly familiarize yourself with the ba- sic functions of the vehicle, refer to the “Getting started” section of this manual. The corresponding page numbers are giv- en at the beginning of each segment.


102


For more information on locking and un- locking, see “Getting started” (컄 page 32) and (컄 page 56).


SmartKey


Your vehicle comes supplied with two SmartKeys, each with remote control and a removable mechanical key. The locking tabs for the mechanical key portion of the two SmartKeys are a different color to help distinguish each key unit. The SmartKey provides an extended oper- ating range. To prevent theft, however, it is advisable to only unlock the vehicle when you are in close proximity to it. The SmartKey centrally locks and unlocks 앫 the doors 앫 the tailgate 앫 the fuel filler flap


SmartKey with remote control 1 ‹ Lock button 2 Š Unlock button* for the tailgate 3 Mechanical key locking tab 4 Œ Unlock button 5 Battery check lamp 6  Panic button (컄 page 86)


Controls in detail Locking and unlocking


Warning!


When leaving the vehicle, always remove the SmartKey from the starter switch, take it with you, and lock the vehicle. Do not leave children unattended in the vehicle, or with access to an unlocked vehicle. It is possible for children to open a looked door from the inside, which could result in an accident and/or serious injury.


To prevent possible malfunction, avoid exposing the SmartKey to high levels of electromagnetic radiation.


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


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 interfer-


ence, and


(2) this device must accept any inter-


(2) this device must accept any inter-


ference received, including interfer- ence that may cause undesired operation.


ference received, including interfer- ence that may cause undesired operation of the device.


Any unauthorized modification to this device could void the user’s authority to operate the equipment.


Any unauthorized modification to this device could void the user’s authority to operate the equipment.


The SBC brake system is activated (컄 page 92).


You can also open and close the power windows and tilt/sliding sunroof* us- ing the SmartKey (컄 page 223).


103


Controls in detail Locking and unlocking


Factory setting


Depending on production date, your vehicle may be equipped with an acoustic lock and unlock confirmation signal feature. If your vehicle is equipped with this feature and the fea- ture is activated, an acoustic signal will sound when the vehicle is locked or un- locked using the SmartKey. To determine whether or not your vehi- cle is equipped with this feature, con- tact an authorized Mercedes-Benz Center. If equipped and you wish to ac- tivate or deactivate the feature, or ad- just its signal volume, also contact an authorized Mercedes-Benz Center.


104


Global unlocking 왘 Press button Œ.


Global locking 왘 Press button ‹.


앫 All turn signal lamps flash once. 앫 An acoustic signal sounds once (if


equipped and feature activated). 앫 The locking knobs in the doors


move up.


앫 The anti-theft alarm system is dis-


armed.


The vehicle will lock again automatically and reactivate the anti-theft alarm system within approximately 40 seconds of un- locking if: 앫 neither door nor trunk is opened 앫 the SmartKey is not inserted in the


starter switch


앫 the central locking switch is not acti-


vated


앫 All turn signal lamps flash three


times.


앫 An acoustic signal sounds three


times if equipped and feature acti- vated).


앫 The locking knobs in the doors


move down.


앫 The anti-theft alarm system is


armed.


Selective setting If you frequently travel alone, you may wish to reprogram the SmartKey so that pressing Œ only unlocks the driver’s door and the fuel filler flap. 왘 Press and hold buttons Œ and ‹ simultaneously for about five seconds until battery check lamp 5 flashes twice. The SmartKey will then function as fol- lows:


Unlocking driver’s door and fuel filler flap 왘 Press button Œ once.


앫 All turn signal lamps flash once. 앫 An acoustic signal sounds once (if


equipped and feature activated). For more information, see “Factory setting” (컄 page 104).


앫 The locking knob in the driver’s


door moves up.


앫 The anti-theft alarm system is dis-


armed.


Global unlocking 왘 Press button Œ twice.


앫 All turn signal lamps flash once or


twice.


앫 An acoustic signal sounds once (if


equipped and feature activated). 앫 The locking knobs in the doors


move up.


앫 The anti-theft alarm system is dis-


armed.


Global locking 왘 Press button ‹.


앫 All turn signal lamps flash three


times.


앫 An acoustic signal sounds three


times (if equipped and feature acti- vated).


앫 The locking knobs in the doors


move down.


앫 The anti-theft alarm system is


armed.


Restoring to factory setting 왘 Press and hold buttons Œ and ‹ simultaneously for about six seconds until battery check lamp 5 flashes twice.


Controls in detail Locking and unlocking


If you cannot lock or unlock the vehicle with the SmartKey, then the batteries of the SmartKey are discharged, or the SmartKey is malfunctioning or the vehi- cle battery is drained. 앫 Check the batteries of the


SmartKey (컄 page 112) and re- place them if necessary (컄 page 408).


앫 Use the mechanical key to unlock the driver’s door (컄 page 404) as required.


앫 Have the vehicle batteries and their


connections checked.


앫 Use the mechanical key to lock the


doors (컄 page 405).


If the SmartKey is malfunctioning, con- tact an authorized Mercedes-Benz Center.


105


Controls in detail Locking and unlocking


Checking the batteries 왘 Press button ‹ or Œ.


Battery check lamp 5 comes on brief- ly to indicate that the SmartKey batter- ies are in order.


If battery check lamp 5 does not come on briefly during check, then the SmartKey batteries are discharged. Replace the batteries (컄 page 408). You can obtain the required batteries at any authorized Mercedes-Benz Center.


If the batteries are checked within sig- nal range of the vehicle, pressing the button ‹ or Œ will lock or unlock the vehicle accordingly.


106


Unlocking and opening the tailgate You can unlock and open the tailgate sep- arately. A minimum height clearance of 6.76 ft (2.06 m) is required to open the tailgate. 왘 Press and hold button Š until tail-


gate unlocks and begins to open.


The tailgate swings open upwards auto- matically. Always make sure there is sufficient overhead clearance. Vehicles with tailgate opening/closing system: To stop the opening proce- dure, press button Š. The tailgate stops moving.


If the vehicle was previously centrally locked, the tailgate will lock automati- cally when closed. To confirm locking all turn signal lamps flash three times.


Loss of SmartKey or mechanical key If you lose a SmartKey or mechanical key, you should do the following: 왘 Have the SmartKey deactivated by an


authorized Mercedes-Benz Center.


왘 Report the loss of the SmartKey or the


mechanical key immediately to your car insurance company.


왘 If necessary, have the mechanical lock


replaced.


Your authorized Mercedes-Benz Center will be glad to supply you with a replace- ment.


SmartKey with KEYLESS-GO*


Vehicles equipped with KEYLESS-GO come with two SmartKeys with KEYLESS-GO, each with remote control and a removable mechanical key. The locking tabs for the mechanical key portion of the two Smart- Keys with KEYLESS-GO are a different col- or to help distinguish each SmartKey with KEYLESS-GO unit. The function of the SmartKey overrules the KEYLESS-GO function. The KEYLESS-GO function is integrated into the SmartKey. On these vehicles, the validity of the SmartKey with KEYLESS-GO is checked every time you pull a door handle. If the SmartKey with KEYLESS-GO is valid, your vehicle unlocks 앫 the doors 앫 the tailgate 앫 the fuel filler flap


SmartKey 1 ‹ Lock button 2 Š Unlock button* for the tailgate 3 Mechanical key locking tab 4 Œ Unlock button 5 Battery check lamp 6  Panic button (컄 page 86)


When any outside door handle other than the driver’s outside door handle is pulled, the vehicle is centrally un- locked.


Controls in detail Locking and unlocking


Warning!


When leaving the vehicle, always take the SmartKey with KEYLESS-GO* with you and lock the vehicle. Do not leave children unat- tended in the vehicle, or with access to an unlocked vehicle. It is possible for children to open a locked door from the inside, which could result in an accident and/or serious personal injury.


To prevent possible malfunction, avoid exposing the SmartKey with KEYLESS-GO to high levels of electro- magnetic radiation.


107


Controls in detail Locking and unlocking


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


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 interfer-


ence, and


(2) this device must accept any inter-


(2) this device must accept any inter-


ference received, including interfer- ence that may cause undesired operation.


ference received, including interfer- ence that may cause undesired operation of the device.


Any unauthorized modification to this device could void the user’s authority to operate the equipment.


Any unauthorized modification to this device could void the user’s authority to operate the equipment.


You can also open and close the power windows and tilt/sliding sunroof* us- ing the SmartKey (컄 page 223).


When you unlock the vehicle, the SBC brake system is activated (컄 page 92).


Important notes on using KEYLESS-GO 앫 You can also use the SmartKey with KEYLESS-GO like a normal SmartKey (컄 page 102).


앫 You can combine KEYLESS-GO func-


tions with normal SmartKey functions (e.g. unlocking with KEYLESS-GO and locking with the ‹ button).


앫 Always carry the SmartKey with


KEYLESS-GO with you.


108


앫 Never store the SmartKey with


앫 If you have started the engine with the


KEYLESS-GO together with: 앫 Electronic items such as a cellular


phone or another SmartKey with KEYLESS-GO


앫 Metallic objects such as coins or


metal foil


Doing so could impair the function of the KEYLESS-GO system.


앫 To lock or unlock the vehicle, the


SmartKey with KEYLESS-GO must be located outside the vehicle within ap- proximately 3 ft (1 m) of a door or the tailgate.


앫 In order to start the engine with the


SmartKey with KEYLESS-GO: 앫 The SmartKey with KEYLESS-GO


must be located in the vehicle. 앫 All the doors must be closed. 앫 The brake pedal must be firmly de- pressed. Do not depress the accel- erator.


KEYLESS-GO start/stop button (컄 page 36), you can only turn it off again with this button, even if you have put the SmartKey in the starter switch in the meantime.


앫 This does not apply if, after starting, the selector lever is still in position P and then the SmartKey is inserted in the starter switch. The SmartKey will then have priority over the KEYLESS-GO function and the vehicle’s electrical system will operate according to the position of the SmartKey in the starter switch, even stopping the engine.


앫 If the SmartKey with KEYLESS-GO is positioned farther away from the vehi- cle and can no longer be recognized by the system, the vehicle cannot be locked or the engine started via the KEYLESS-GO system.


Controls in detail Locking and unlocking


앫 If the SmartKey with KEYLESS-GO is re- moved from the vehicle while the igni- tion is switched on (e.g. if passenger exits the vehicle with the SmartKey), the message Key not recognized will appear in the multifunction display. Find the SmartKey or change its present location immediately (e.g. place it on the front passenger seat or insert it in shirt pocket).


앫 Remember that the engine can be started by anyone with a SmartKey with KEYLESS-GO that is left inside the vehicle. If you leave the SmartKey with KEYLESS-GO behind when exiting and locking the vehicle, the message Key still in vehicle will appear in the multifunction display.


109


Global unlocking 왘 Pull the outside door handle.


앫 All turn signal lamps flash once. 앫 An acoustic signal sounds once (if


equipped and feature activated). 앫 The locking knobs in the doors


move up.


앫 The anti-theft alarm system is dis-


armed.


The vehicle will lock again automatically within approximately 40 seconds if neither door nor tailgate is opened.


Global locking 왘 Press lock button at outside door


handle (컄 page 60) or tailgate (컄 page 113). 앫 All turn signal lamps flash three


times.


앫 An acoustic signal sounds three


times (if equipped and feature acti- vated).


앫 The locking knobs in the doors


move down.


앫 The anti-theft alarm system is


armed.


Controls in detail Locking and unlocking


Factory setting


Depending on production date, your vehicle may be equipped with an acoustic lock and unlock confirmation signal feature. If your vehicle is equipped with this feature and the fea- ture is activated, an acoustic signal will sound when the vehicle is locked or un- locked using the SmartKey with KEYLESS-GO. To determine whether or not your vehi- cle is equipped with this feature, contact an authorized Mercedes-Benz Center. If equipped and you wish to ac- tivate or deactivate the feature, or ad- just its signal volume, also contact an authorized Mercedes-Benz Center.


110


앫 The locking knob in the driver’s


door moves up.


앫 The anti-theft alarm system is dis-


armed.


Global unlocking 왘 Pull any outside door handle other than


the driver’s outside door handle. 앫 All turn signal lamps flash once. 앫 An acoustic signal sounds once (if


equipped and feature activated). 앫 The locking knobs in the doors


move up.


앫 The anti-theft alarm system is dis-


armed.


Selective setting If you frequently travel alone, you may wish to reprogram the SmartKey with KEYLESS-GO so when you pull the driver’s door handle only the driver’s door and the fuel filler flap unlocks. 왘 Press and hold buttons Œ and ‹ simultaneously for about five seconds until battery check lamp 5 flashes twice. The SmartKey with KEYLESS-GO will then function as follows:


Unlocking driver’s door and fuel filler flap 왘 Pull the driver’s outside door handle. 앫 All turn signal lamps flash once. 앫 An acoustic signal sounds once (if


equipped and feature activated). For more information, see “Factory setting” (컄 page 110).


Controls in detail Locking and unlocking


Global locking 왘 Press lock button at outside door


handle (컄 page 60). 앫 All turn signal lamps flash three


times.


앫 An acoustic signal sounds three


times (if equipped and feature acti- vated).


앫 The locking knobs in the doors


move down.


앫 The anti-theft alarm system is


armed.


Restoring to factory setting 왘 Press and hold buttons Œ and ‹ simultaneously for about six seconds until battery check lamp 5 flashes twice.


111


Controls in detail Locking and unlocking


If you can no longer lock or unlock the vehicle with the SmartKey with KEYLESS-GO, then the batteries of the SmartKey are discharged, or the SmartKey is malfunctioning or the vehi- cle battery is drained. 앫 Check the batteries of the


SmartKey with KEYLESS-GO (컄 page 112) and replace them if necessary (컄 page 408).


앫 Use the mechanical key to unlock the driver’s door (컄 page 404) as required.


앫 Have the vehicle batteries and their


connections checked.


앫 Use the mechanical key to lock the


doors (컄 page 405).


If the SmartKey with KEYLESS-GO is malfunctioning, contact an authorized Mercedes-Benz Center.


Checking the batteries 왘 Press button ‹ or Œ.


Battery check lamp 5 comes on brief- ly to indicate that the SmartKey batter- ies are in order.


If battery check lamp 5 does not come on briefly during check, then the SmartKey batteries are discharged. Replace the batteries (컄 page 408). You can obtain the required batteries at any authorized Mercedes-Benz Center.


If the batteries are checked within sig- nal range of the vehicle, pressing the button ‹ or Œ will lock or unlock the vehicle accordingly.


Unlocking and opening the tailgate A minimum height clearance of 6.76 ft (2.06 m) is required to open the tailgate. The handle is located in the rear license plate recess.


You can unlock and open the tailgate sep- arately. 왘 Pull on the handle.


or


왘 Press and hold button Š until the


tailgate unlocks and opens.


112


! The tailgate swings open upwards auto- matically. Always make sure there is sufficient overhead clearance. Vehicles with tailgate opening/closing system*: to stop the opening proce- dure, press button Š on the SmartKey. The tailgate stops moving.


If the vehicle was previously centrally locked, the tailgate will lock automati- cally when closed (컄 page 117). To confirm locking all turn signal lamps flash three times.


Global locking using the lock button at tailgate


1 Lock button at tailgate 왘 Press the lock button 1. 앫 All turn signal lamps flash three times. 앫 An acoustic signal sounds once (if


equipped and feature activated). For more information, see “Factory set- ting” (컄 page 110).


앫 The locking knobs in the doors move


down.


앫 The anti-theft alarm system is armed.


Controls in detail Locking and unlocking


To prevent a possible inadvertent lock- out, the tailgate will open automatically if a SmartKey with KEYLESS-GO is recognized in the rear shelf or inside the vehicle.


If the vehicle was previously centrally locked with KEYLESS-GO, the trunk will lock automatically after closing it. To confirm locking all turn signal lamps flash three times.


You can also lock the vehicle using the lock button at outside door handle (컄 page 60) or KEYLESS-GO locking/ closing switch (컄 page 121).


113


Controls in detail Locking and unlocking


Loss of the SmartKey with KEYLESS-GO If you lose your SmartKey with KEYLESS-GO, you should do the following: 왘 Have the SmartKey with KEYLESS-GO


deactivated by an authorized Mercedes-Benz Center.


왘 Report the loss immediately to your car


insurance company.


왘 Have the mechanical lock replaced if


necessary.


Your authorized Mercedes-Benz Center will be glad to supply you with a replace- ment.


Opening the doors from the inside


You can open a locked door from the in- side. Open door only when conditions are safe to do so.


1 Locking knob 2 Inside door handle


114


If the vehicle has previously been locked from the outside using the SmartKey or KEYLESS-GO*, opening a door from the inside will trigger the anti-theft alarm system. To cancel the alarm, do one of the fol- lowing: 앫 Press the Œ or ‹ button on


the SmartKey.


앫 Insert the SmartKey in the starter


switch.


In vehicles with KEYLESS-GO* 앫 Pull the outside door handle.


The SmartKey with KEYLESS-GO must be within 3 ft (1 m) of the ve- hicle.


앫 Press the KEYLESS-GO* start/stop


button (컄 page 36). The SmartKey with KEYLESS-GO must be inside the vehicle.


Front doors 왘 Pull on door handle 2 on the respec-


tive front door to open door. If door was locked, locking knob 1 will move up.


Rear doors 왘 Pull up locking knob 1 on the respec-


tive rear door to unlock door.


왘 Pull on door handle 2 on the respec-


tive rear door to open door.


Opening the tailgate


Opening the tailgate from the outside A minimum height clearance of 6.76 ft (2.06 m) is required to open the tailgate. The handle is located above the rear license plate recess.


왘 Pull on the handle. The tailgate opens.


Controls in detail Locking and unlocking


The tailgate swings open upwards auto- matically. Always make sure there is sufficient overhead clearance. Vehicles with tailgate opening/closing system*: to stop the opening proce- dure, press button Š on the SmartKey. The tailgate stops moving.


The tailgate can also be opened using the Š button on the SmartKey or SmartKey with KEYLESS-GO.


If the vehicle was previously centrally locked, the tailgate will lock automati- cally when closed (컄 page 117). To confirm locking all turn signal lamps flash three times.


115


Controls in detail Locking and unlocking


Opening the tailgate from the inside with handle You can open the tailgate from the inside if the vehicle is stationary. A minimum height clearance of 6.76 ft (2.06 m) is required to open the tailgate. The handle is located on the inside of the tailgate.


Always make sure there is sufficient overhead clearance.


To lock the tailgate, move the catch 2 to the left.


Opening the tailgate from the inside au- tomatically* In vehicles with tailgate opening/closing system* you can open the tailgate from the inside if the vehicle is stationary. A minimum height clearance of 6.76 ft (2.06 m) is required to open the tailgate. The switch is located on the driver’s door.


Warning!


When leaving the vehicle, always remove the SmartKey or the SmartKey with KEYLESS-GO* from the starter switch, take it with you, and lock the vehicle. Do not leave children unattended in the vehicle. Children could open the tailgate from the in- side, which could result in an accident and/or serious personal injury.


1 Remote tailgate release switch with in-


dicator lamp


1 Handle 2 Catch 왘 To unlock the tailgate, move the


catch 2 to the right.


왘 Pull handle 1 down and swing tailgate


upward.


116


왘 Pull and hold remote tailgate release


switch 1 until 앫 the tailgate is completely open


(opened to its full extent)


The tailgate can also be opened using the Š button n the SmartKey or SmartKey with KEYLESS-GO*.


Closing the tailgate


Controls in detail Locking and unlocking


or 앫 the tailgate has reached the desired


opening angle.


The tailgate stops moving as soon as you release the switch. The indicator lamp in the switch comes on. It re- mains lit until the tailgate is closed again.


The tailgate swings open upwards as long as you pull and hold the remote tailgate release switch. Always make sure there is sufficient overhead clear- ance. To stop the opening procedure, release the remote tailgate release switch.


Limiting opening height of tailgate* Vehicles with tailgate opening/closing system*: The tailgate opening height can be limited when transporting goods on a roof rack (e.g. presence of an optional MB sport lug- gage container). When activated, the tail- gate opens to approximately the height of the roof edge. 왘 Activate the limiting opening height of


tailgate using the control system (컄 page 174).


1 Handle 왘 Lower tailgate using handle 1. 왘 Close tailgate with hands placed flat on


it.


117


Controls in detail Locking and unlocking


1 Strap in vehicles with folding bench


seat


왘 Pull the tailgate down from the inside of


the vehicle using strap 1.


Warning!


To prevent possible personal injury, always keep hands and fingers away from the cargo compartment opening when closing the tail- gate. Be especially careful when small chil- dren are around.


118


Warning!


Only drive with the tailgate closed as, among other dangers such as visibility blockage, exhaust fumes may enter the ve- hicle interior.


To prevent an inadvertent lockout, do not place the SmartKey in the cargo compartment. Vehicles with KEYLESS-GO*: To prevent a possible inadvertent lock- out, the tailgate will open automatically if a SmartKey with KEYLESS-GO is rec- ognized inside the vehicle or in the car- go compartment.


Closing the tailgate from the outside (vehicles without KEYLESS-GO*) In vehicles with tailgate opening/closing system* you can close the tailgate sepa- rately from the outside using the tailgate closing switch.


1 Tailgate closing switch 왘 Press tailgate closing switch 1 briefly.


The tailgate closes.


You can also close the tailgate by hand.


If the tailgate comes into contact with an object while closing (e.g. luggage that has been piled too high), the closing procedure is stopped and the tailgate reopens slightly.


Warning!


Warning!


Monitor the closing procedure carefully to make sure no one is in danger of being in- jured. To prevent possible personal injury, always keep hands and fingers away from the cargo compartment opening when clos- ing the tailgate. Be especially careful when small children are around. To stop the clos- ing procedure, do one of the following: 앫 press the tailgate closing switch 1 앫 press the Š button on the SmartKey 앫 pull the remote tailgate switch (on the


driver’s door)


Even with the SmartKey removed from the starter switch, the remote tailgate switch can be operated. Therefore, do not leave children unattended in the vehicle, or with access to an unlocked vehicle. Unsuper- vised use of vehicle equipment may cause an accident and/or serious personal injury.


Only drive with the tailgate closed as, among other dangers such as visibility blockage, exhaust fumes may enter the ve- hicle interior.


Do not place the SmartKey in the open cargo compartment. You may lock yourself out.


If the vehicle was previously centrally locked, the tailgate will lock automati- cally after closing it. To confirm locking all turn signal lamps flash three times.


Controls in detail Locking and unlocking


Closing the tailgate from the outside (vehicles with KEYLESS-GO*) In vehicles with tailgate opening/closing system* you can close the tailgate sepa- rately from the outside using the tailgate closing switch.


1 Tailgate closing switch 왘 Make sure you have the SmartKey with


KEYLESS-GO* with you.


왘 Press tailgate closing switch 1 briefly.


The tailgate closes.


119


Controls in detail Locking and unlocking


You can also close the tailgate by hand.


Warning!


Warning!


Only drive with the tailgate closed as, among other dangers such as visibility blockage, exhaust fumes may enter the vehicle interior.


If the vehicle was previously centrally locked, the tailgate will lock automati- cally after closing it. To confirm locking all turn signal lamps flash three times.


If the tailgate comes into contact with an object while closing (e.g. luggage that has been piled too high), the closing procedure is stopped and the tailgate reopens slightly.


To prevent a possible inadvertent lock- out, the tailgate will open automatically if a SmartKey with KEYLESS-GO is rec- ognized in the rear shelf or inside the vehicle.


Monitor the closing procedure carefully to make sure no one is in danger of being in- jured. To prevent possible personal injury, always keep hands and fingers away from the cargo compartment opening when clos- ing the tailgate. Be especially careful when small children are around. To stop the clos- ing procedure, do one of the following: 앫 press the tailgate closing switch 1 앫 press the Š button on the SmartKey


with KEYLESS-GO


앫 pull the remote tailgate switch (on the


driver’s door)


Even with the SmartKey with KEYLESS-GO removed from the vehicle, the tailgate clos- ing switch can be operated. Therefore, do not leave children unattended in the vehicle, or with access to an unlocked vehicle. Unsu- pervised use of vehicle equipment may cause an accident and/or serious personal injury.


120


Closing the tailgate and locking the vehicle from the outside (vehicles with KEYLESS-GO*) In vehicles with tailgate opening/closing system* and KEYLESS-GO, you can close the tailgate and lock the vehicle simulta- neously from the outside using the KEYLESS-GO locking/closing switch.


1 KEYLESS-GO* locking/closing switch 왘 Make sure you have SmartKey with


KEYLESS-GO with you.


Controls in detail Locking and unlocking


왘 Press switch 1 briefly.


앫 All turn signal lamps flash three


times.


앫 The locking knobs in the doors


move down.


앫 The anti-theft alarm system is


armed.


You can also close the tailgate by hand.


If the tailgate comes into contact with an object while closing (e.g. luggage that has been piled too high), the closing procedure is stopped and the tailgate reopens slightly.


To prevent a possible inadvertent lock- out, the tailgate will open automatically if a SmartKey with KEYLESS-GO is rec- ognized in the rear shelf or inside the vehicle.


Warning!


Monitor the closing procedure carefully to make sure no one is in danger of being in- jured. To prevent possible personal injury, always keep hands and fingers away from the cargo compartment opening when clos- ing the tailgate. Be especially careful when small children are around. To stop the clos- ing procedure, do one of the following: 앫 press the tailgate closing switch 1 앫 press the Š button on the SmartKey


with KEYLESS-GO


앫 pull the remote tailgate switch (on the


driver’s door)


Even with the SmartKey with KEYLESS-GO removed from the vehicle, the KEYLESS-GO locking/closing switch can be operated. Therefore, do not leave children unattended in the vehicle, or with access to an unlocked vehicle. Unsupervised use of vehicle equip- ment may cause an accident and/or serious personal injury.


121


Controls in detail Locking and unlocking


Warning!


Only drive with the tailgate closed as, among other dangers such as visibility blockage, exhaust fumes may enter the ve- hicle interior.


Automatic central locking


The doors and the tailgate automatically lock when the ignition is switched on and the wheels are turning at vehicle speeds of approximately 9 mph (15 km/h) or more. You can open a locked door from the in- side. Open door only when conditions are safe to do so.


122


The doors unlock automatically after an accident if the force of the impact ex- ceeds a preset threshold. The vehicle automatically locks when the ignition is switched on and the wheels are turning at vehicle speeds of approximately 9 mph (15 km/h) or more. You could therefore lock yourself out when the vehicle 앫 is pushed or towed 앫 is on a test stand


For more information on towing the vehi- cle, see “Towing the vehicle” (컄 page 430). You can deactivate the automatic locking mode using the control system (컄 page 174).


Locking and unlocking from the inside


You can lock or unlock the doors and the tailgate from inside using the central lock- ing switch. This can be useful, for example, if you want to lock the vehicle before start- ing to drive. The fuel filler flap cannot be locked or un- locked with the central locking switch.


Warning!


When leaving the vehicle, always remove the SmartKey or the SmartKey with KEYLESS-GO* from the starter switch, take it with you, and lock the vehicle. Do not leave children unattended in the vehicle, or with access to an unlocked vehicle. Unsu- pervised use of vehicle equipment may cause an accident and/or serious personal injury.


Depending on production date, your vehi- cle is equipped with either switch design A or B. The switches are located in the center con- sole.


Switch design A 1 Central locking switch 2 Central unlocking switch


Switch design B 1 Central locking switch 2 Central unlocking switch


You can open a locked door from the inside. Open door only when conditions are safe to do so. If the vehicle was previously centrally locked using the SmartKey, it will not unlock using the central unlocking switch 2.


Controls in detail Locking and unlocking


If the vehicle was previously locked with the central locking switch 1
앫 while in the selective remote con-


trol mode, only the front door opened from the inside is unlocked. 앫 while in the global remote control mode, the vehicle is unlocked com- pletely when a front door is opened from the inside.


Locking 왘 Press central locking switch 1.


If all doors are closed, the vehicle locks.


Unlocking 왘 Press central unlocking switch 2.


The vehicle unlocks.


123


Controls in detail Seats


For more information on seat adjustment, see the “Getting started” section (컄 page 39).


Easy-entry/exit feature


This feature allows for easier entry into and exit from the vehicle. The easy-entry/exit feature can be activat- ed or deactivated in the Convenience sub- menu of the control system (컄 page 175).


124


When exiting the vehicle, with the easy-entry/exit feature activated and depending on your selection, the steering wheel tilts upwards and/or the driver’s seat moves a few inches to the rear when you: 앫 remove the SmartKey from the starter


switch, or


앫 open the driver’s door with the


SmartKey in starter switch position 0 or 1 or the KEYLESS-GO* start/stop button (컄 page 36) in position 1.


Warning!


You must make sure that no one can be- come trapped or injured by the moving steering wheel and driver’s seat when the easy-entry/exit feature is activated.


To cancel seat/steering wheel movement, do one of the following: 앫 Press seat adjustment switch


(컄 page 30).


앫 Move steering column stalk


(컄 page 41).


앫 Press one of the memory buttons


(컄 page 30).


The steering wheel and driver’s seat stop moving.


Do not leave children unattended in the ve- hicle, or with access to an unlocked vehicle. Children could open the driver's door and unintentionally activate the easy-entry/exit feature, which could result in an accident and/or serious personal injury.


i If the current position for the steering wheel is in the uppermost tilt position, the steering wheel will no longer be able to move upward when the easy-entry/exit feature is activated. If the current seat position falls into a factory-set position range and the sys- tem recognizes the current seat posi- tion to be rearward enough for easy entry and exit, the driver’s seat will not move to the rear when the easy-entry/exit feature is activated.


When entering the vehicle, with the easy-entry/exit feature activated, the steering wheel or, depending on your selection, the steering wheel and driver’s seat will return to their last set position or a factory-set maximum forward position when you: 앫 close the driver’s door, and switch on


the ignition. or


앫 insert the SmartKey into the starter


switch or press KEYLESS-GO* start/stop button once with driver’s door closed.


Controls in detail Seats


For safety reasons, the driver’s seat will not return to its last set position with the easy-entry/exit feature activated if the system recognizes the last set posi- tion as an extreme forward position. Instead, the driver’s seat will remain at or move to a factory-set maximum forward position. To again fully return the driver’s seat to your last set posi- tion or to memory position, adjust the seat to the desired position or press and hold the respective memory position switch (컄 page 139).


125


i Tilt the backrest to the rear for easier removal and installation of the head re- straints.

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