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instrument cluster goes out. The message ESC-ON appears in the multifunction display.
PRE-SAFE® Brake The PRE-SAFE® Brake is available in vehicles equipped with DISTRONIC PLUS. The PRE- SAFE® Brake can assist you in minimizing the risk of a rear-end collision with a vehicle in front of you. The PRE-SAFE® Brake may also reduce the severity of an accident. At speeds above approximately 20 mph (30 km/h) it will issue a warning when your vehicle is approaching the preceding vehicle very quickly. An intermittent acoustic warning sounds and the distance warning lamp · in the instrument cluster comes on. Due to the system characteristics, warnings could be issued without cause in complex driving situations.
When the driver and front passenger have fastened their seat belts, the PRE-SAFE® Brake can also Rbrake the vehicle within a speed range of up to 124 mph (200 km/h) automatically
Ractivate preventative occupant safety
measures (PRE-SAFE®) (Y page 53) G Warning! An intermittent warning sounds and the distance warning lamp · in the instrument cluster is illuminated if the PRE-SAFE® Brake calculates that the distance to the vehicle ahead and your vehicle’s current speed indicate that the PRE-SAFE® Brake will not be capable of slowing the vehicle sufficiently to maintain the preset following distance, which creates a danger of a collision. Immediately brake your vehicle to increase the distance between your vehicle and the vehicle driving in front of you. The warning sound is intended as a final caution that you have not interceded with your own braking inputs to avoid a potentially dangerous situation. Do not wait for the operation of the warning signal to intercede with your own braking, as that will result in potentially dangerous emergency braking which will not always result in an impact being avoided. Tailgating increases the risk of an accident. G Warning! The PRE-SAFE® Brake is a convenience system designed to assist the driver during vehicle operation. The responsibility for the vehicle speed and the distance to the vehicle ahead, including most importantly brake operation to assure safe stopping distance, always remains with the driver. Always pay attention to traffic conditions even while the PRE-SAFE® Brake is switched on. Otherwise, you may not be able to recognize dangerous situations until it is too late and could cause an accident resulting in personal or fatal injury to you or others.
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Version: 2.11.8.170 Driving safety systems
i USA only:
This device has been approved by the FCC as a “Vehicular Radar System”. The radar sensor is intended for use in an automotive radar system only. Removal, tampering, or altering of the device will void any warranties, and is not permitted by the FCC. Do not tamper with, alter, or use in any non-approved way. Any unauthorized modification to this device could void the user’s authority to operate the equipment.
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 this device must accept any interference received, including interference that may cause undesired operation of the device.
2.
Removal, tampering, or altering of the device will void any warranties, and is not permitted. Do not tamper with, alter, or use in any non-approved way. Any unauthorized modification to this device could void the user’s authority to operate the equipment.
Using the radar sensors, the PRE-SAFE® Brake detects obstacles that are in your driving path for a sufficient period of time for the system to recognize it. If you approach a vehicle and the PRE-SAFE® Brake has established that the distance to the vehicle ahead at your current speed is so close that the PRE-SAFE® Brake will not be capable of slowing the vehicle sufficiently, the system will initially warn you visually and acoustically. If you do not apply the brakes yourself or maneuver around a sensed obstacle, the vehicle will brake lightly automatically. The PRE-SAFE® system (Y page 53) is activated when the distance to the vehicle ahead at
your current speed is so close that the PRE- SAFE® Brake will not be capable of slowing the vehicle sufficiently. When the danger of a collision still persists and you do not brake or accelerate significantly, the PRE-SAFE® Brake may initiate full application of the brakes automatically. G Warning! The PRE-SAFE® Brake will only respond with brake assistance if it has clearly detected an object. Detection can be impeded by Rdirty or covered sensors Rsnowfall or heavy rain Rdisturbance from other radar sources Rstrong radar reflection such as in parking
garages
The PRE-SAFE® Brake uses radar signals that are not reflected well by narrow objects and absorptive materials. For this reason the PRE- SAFE® Brake will not react to persons, animals, and approaching traffic or cross- traffic. The PRE-SAFE® Brake may not detect narrow vehicles driving in front of you, such as motorcycles and vehicles driving offset from your vehicle center. G Warning! Depending on the vehicle speed, the PRE-SAFE® Brake brakes your vehicle with a maximum of 13 ft/s2 (4 m/s2) before a possible hard stop. This corresponds to about 40% of the maximum deceleration ability of your vehicle. The driver must apply the brakes additionally in order to prevent a collision. The self-acting hard stop will be initiated when the imminent danger of a collision exists, e.g. when an evasive driving maneuver cannot avoid an accident.
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Version: 2.11.8.1To maintain the proper distance to the vehicle in front of you and thus prevent a rear-end collision, you must apply the brakes yourself. X Brake the vehicle immediately to avoid a
collision. Under no circumstances should the driver await the intermittent warning sound before braking. Observe the following warning note. The intermittent warning sound ceases and the distance warning lamp · goes out when the necessary distance to the vehicle ahead is again established.
The PRE-SAFE® Brake can react to stationary obstacles such as standing or parked vehicles at road speeds of up to approximately 40 mph (70 km/h). G Warning! If you do not receive visual or acoustic warning signals, the PRE-SAFE® Brake may Rnot have recognized the collision risk Rhave been deactivated Rbe malfunctioning Apply the brakes yourself to avoid a collision.
The PRE-SAFE® Brake does not always clearly interpret complex traffic situations. If a visual and/or acoustic warning is issued in an uncritical driving situation, or if the vehicle brakes lightly, you can interrupt the PRE- SAFE® Brake maneuver by pressing down all the way on the accelerator pedal, using kickdown, or releasing the brake pedal. The PRE-SAFE® Brake maneuver is terminated immediately when Ryou avoid the obstacle by evasive steering Ryou drive less than 9 mph (15 km/h) Ran obstacle can no longer be identified
ahead of you
Rthe system no longer senses the risk of a
collision
Anti-theft systems
71
i The PRE-SAFE® Brake will remain passive
while DISTRONIC PLUS is switched on (Y page 149).
After a hard collision or damage to the front of the vehicle from an accident, have the settings and operation of the radar sensors checked by an authorized Mercedes-Benz Center. X Activating and deactivating: Activate or deactivate the PRE-SAFE® Brake using the instrument cluster control system (Y page 137). After the function has been activated, the PRE-SAFE® Brake indicator Ä appears in the instrument cluster. When the HOLD function is switched on, the PRE-SAFE® Brake indicator Ä will not appear. In vehicles with Parking Guidance, the automatic transmission must be in park position P for the PRE-SAFE® Brake indicator Ä to be displayed.
The PRE-SAFE® Brake is deactivated when the radar system is switched off. When you switch off the radar system, the following functions are deactivated: RPRE-SAFE® Brake RBAS PLUS (Y page 63) RDISTRONIC PLUS (Y page 149) RBlind Spot Assist (Y page 175)
Anti-theft systems Immobilizer The immobilizer prevents unauthorized persons from starting your vehicle. 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.
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Activating X With SmartKey: Remove the SmartKey
from the starter switch.
X With KEYLESS-GO: Turn off the engine and
open the driver’s door.
Deactivating X Switch on the ignition. i Starting the engine will also deactivate
the immobilizer. In the event that 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).
Anti-theft alarm system Once the alarm system has been armed, a visual and audible alarm is triggered when someone opens Ra door Rthe trunk Rthe hood The alarm will stay on even if the activating element, a door, for example, is closed immediately. The alarm system will also be triggered when Rthe vehicle is opened with the mechanical
key
Ra door is opened from the inside Rthe trunk is opened with the emergency
release button
To cancel the alarm after it has been triggered, see “Canceling the alarm” (Y page 73).
i If the alarm stays on for more than
30 seconds, the Tele Aid system initiates a call to the Customer Assistance Center automatically. The Tele Aid system will initiate the call provided that Ryou have subscribed to the Tele Aid
service
Rthe Tele Aid service has been activated
properly
Rthe necessary mobile phone, power
supply and GPS coverage are available
X Arming: Lock the vehicle with the
SmartKey or with KEYLESS-GO. The turn signal lamps flash three times and an acoustic warning sounds three times to indicate that the vehicle is locked. Indicator lamp : flashes to indicate that the alarm system is armed.
i If the turn signal lamps do not flash three
times and the acoustic warning does not sound three times, a door or the trunk may not be properly closed. Close the respective element.
X Disarming: Unlock the vehicle with the
SmartKey or with KEYLESS-GO. The turn signal lamps flash once and an acoustic warning sounds once to indicate that the alarm system is disarmed.
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i Unless you open a door or the trunk within approximately 40 seconds after unlocking the vehicle: RThe vehicle will be locked again. RThe anti-theft alarm system will be
rearmed.
Canceling the alarm To cancel the alarm, do one of the following: X Insert the SmartKey into the starter switch. X Press button % or & on the
SmartKey.
In vehicles with KEYLESS-GO: X Grasp an outside door handle.
The SmartKey must be within 3 ft (1 m) of the vehicle.
X Press the KEYLESS-GO start/stop button. The SmartKey must be inside the vehicle.
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Vehicle equipment .............................. 76
Locking and unlocking ....................... 76
Starter switch positions ..................... 85
Seats .................................................... 87
Multifunction steering wheel ............. 93
Mirrors ................................................. 94
Memory function ................................. 96
Lighting ................................................ 97
Wipers ................................................ 104
Power windows ................................. 105
Driving and parking .......................... 109
Automatic transmission ................... 114
Transfer case .................................... 124
Instrument cluster ............................ 125
Control system .................................. 126
Driving systems ................................ 146
Climate control system .................... 180
Rear window defroster ..................... 191
Power tilt/sliding sunroof ............... 192
Panorama roof with power tilt/ sliding panel ...................................... 194
Loading and storing .......................... 197
Useful features ................................. 203212_AKB; 2; 41, en-US d2ureepe,
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Vehicle equipment
i This Operator’s Manual describes all
features, standard or optional, potentially available for your vehicle at the time of purchase. Please be aware that your vehicle might not be equipped with all features described in this manual.
Locking and unlocking Notes G Observe Safety notes, see page 56. When unlocking or locking the vehicle with the SmartKey an acoustic signal sounds. The acoustic signal is activated at the factory. If you wish to deactivate the feature, or adjust its signal volume, contact an authorized Mercedes-Benz Center. When unlocking the vehicle, all turn signal lamps flash once. An acoustic signal sounds once, and the locking knobs in the doors move up. The anti-theft alarm system is disarmed. When locking the vehicle, all turn signal lamps flash three times. An acoustic signal sounds three times, and the locking knobs in the doors move down. The anti-theft alarm system is armed. All doors and the trunk must be closed. If you cannot lock or unlock the vehicle with the SmartKey, the batteries in the SmartKey are discharged, the SmartKey is malfunctioning, or the vehicle battery is drained. X Check the batteries in the SmartKey
(Y page 79) and replace them if necessary.
X Use the mechanical key to unlock the
driver’s door and the trunk (Y page 314).
X Use the mechanical key to lock the vehicle
(Y page 315).
X Have the vehicle battery and the vehicle
battery connections checked at an authorized Mercedes-Benz Center.
If the SmartKey is malfunctioning, contact Roadside Assistance or an authorized Mercedes-Benz Center.
SmartKey Your vehicle comes supplied with two SmartKeys, each with remote control and a removable mechanical key. The SmartKey centrally locks and unlocks Rthe doors Rthe trunk lid Rthe fuel filler flap
: & Lock button ; F Unlock button for trunk lid = % Unlock button
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
2.
interference, and this device must accept any interference received, including interference that may cause undesired operation.
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Version: 2.11.8.1Any unauthorized modification to this device could void the user’s authority to operate the equipment.
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 this device must accept any interference received, including interference that may cause undesired operation of the device.
2.
Any unauthorized modification to this device could void the user’s authority to operate the equipment.
Factory setting X Global unlocking: Press button %. Unless you open a door or the trunk within approximately 40 seconds after unlocking the vehicle: RThe vehicle will be locked again. RThe anti-theft alarm system will be
rearmed.
X Global locking: Press button &.
Selective setting If you frequently travel alone, you may wish to reprogramm the SmartKey. Pressing button % will then only unlock the driver’s door and the fuel filler flap. X Switching on/off: Press and hold buttons
% and & simultaneously for approximately 6 seconds until the battery check lamp (Y page 79) flashes twice.
The SmartKey will then function as follows:
Locking and unlocking
77
X Unlocking driver’s door and fuel filler
flap: Press button % once.
X Global unlocking: Press button %
twice.
X Global locking: Press button &.
KEYLESS-GO Vehicles equipped with KEYLESS-GO come with two SmartKeys with KEYLESS-GO, each with remote control and a removable mechanical key. The KEYLESS-GO function is integrated into the SmartKey. The validity of the SmartKey is checked every time you grasp an outside door handle. When the SmartKey is valid, your vehicle unlocks Rthe doors Rthe trunk lid Rthe fuel filler flap 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
2.
interference, and 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.
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Locking and unlocking
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 this device must accept any interference received, including interference that may cause undesired operation of the device.
2.
Any unauthorized modification to this device could void the user’s authority to operate the equipment.
Important notes on using KEYLESS-GO RYou can also use the SmartKey with KEYLESS-GO like a normal SmartKey (Y page 76).
RYou can combine KEYLESS-GO functions
with normal SmartKey functions (e.g. unlocking with KEYLESS-GO and locking with button &).
RAlways carry the SmartKey with you. RNever store the SmartKey together with
- electronic items such as a mobile phone
or another SmartKey
- metallic objects such as coins or metal
foil
Doing so could impair the function of the KEYLESS-GO system.
RTo lock or unlock the vehicle, the SmartKey must be located outside the vehicle within approximately 3 ft (1 m) of a door or the trunk.
RWhen the vehicle has been parked for more than 72 hours, the KEYLESS-GO function is deactivated. Pull an outside door handle and switch on the ignition once to activate the KEYLESS-GO function.
RIf the SmartKey is positioned farther away from the vehicle, the system may no longer recognize the SmartKey. The vehicle
cannot be locked or the engine started via the KEYLESS-GO system.
RIf the SmartKey is removed from the vehicle
(e.g. if a passenger exits the vehicle with the SmartKey) - when pressing the KEYLESS-GO start/ stop button or trying to lock the vehicle with the outside door handle the message Key Not Detected appears in the multifunction display - with the engine running, the red message Key Not Detected appears in the multifunction display while driving off Find the SmartKey or change its present location immediately (e.g. place it on the front passenger seat or insert it in shirt pocket).
RIf you have started the engine with the
KEYLESS-GO start/stop button, you can turn it off again by - pressing the KEYLESS-GO start/stop
button inserting the SmartKey into the starter switch when the vehicle is at a standstill and the automatic transmission is in park position P
RThe vehicle could be inadvertently
unlocked if the SmartKey is within 3 ft (1 m) of the vehicle and - an outside door handle is splashed with
water or
- you attempt to clean an outside door
handle
RRemember that the engine can be started
by anyone with a SmartKey that is left inside the vehicle. Possibility 1 (One SmartKey in the vehicle, one SmartKey outside the vehicle): If you leave the SmartKey behind when exiting and locking the vehicle, no message appears in the multifunction display.
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Possibility 2 (One SmartKey in the vehicle, no SmartKey outside the vehicle): When exiting and trying to lock the vehicle, the message Key Detected in Vehicle appears in the multifunction display. The vehicle will not be locked.
Factory setting X Global unlocking: Grasp an outside door
handle.
Unless you open a door or the trunk within approximately 40 seconds after unlocking the vehicle: RThe vehicle will be locked again. RThe anti-theft alarm system will be
rearmed.
X Global locking: Touch outside of a door
handle :.
Selective setting If you frequently travel alone, you may wish to reprogram the SmartKey. Grasping the driver’s outside door handle will then only unlock the driver’s door and the fuel filler flap. X Switching on/off: Press and hold buttons
% and & simultaneously for approximately 6 seconds until the battery check lamp (Y page 79) flashes twice. KEYLESS-GO will then function as follows:
X Unlocking driver’s door and fuel filler
flap: Grasp the driver’s outside door handle.
X Global unlocking: Grasp any outside door handle other than the driver’s outside door handle.
X Global locking: Touch outside of a door
handle :.
Checking SmartKey batteries
X Press button & or % on the
SmartKey. Battery check lamp : comes on briefly to indicate that the SmartKey batteries are in order.
If the battery check lamp does not come on briefly during check, the SmartKey batteries are discharged. X Replace the batteries (Y page 317). i You can obtain the required batteries at
any authorized Mercedes-Benz Center.
i If the batteries are checked within signal
range of the vehicle, pressing button & or % will lock or unlock the vehicle accordingly.
Loss of the SmartKey If you lose your SmartKey or mechanical key, you should do the following:
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X Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.
X Report the loss of the SmartKey or the mechanical key to your car insurance company immediately.
X Have the mechanical lock replaced if
necessary.
Any authorized Mercedes-Benz Center will be glad to supply you with a replacement. For information on replacing the SmartKey, see “Replacing the SmartKey” (Y page 80).
Replacing the SmartKey Only you, or someone authorized by you can order a replacement key from any Mercedes- Benz Center. In order to do so, the Mercedes- Benz Center will require proof of identity and vehicle ownership with original documents, including the following: If you are the current owner of the vehicle: Rthe vehicle’s current state registration Ra current identity card, passport, or drivers
license
If you are an authorized person: Rthe vehicle’s current state registration Ra current identity card, passport, or drivers
license for the authorized individual
Rsigned and dated authorization from the owner of the vehicle for which the key is being requested
i Duplicated or photocopied
documentation will not be accepted.
Activating the key Once you, or an authorized person, has provided the appropriate documents, the Mercedes-Benz Center will need to synchronize the key to your vehicle before it can be used. In order to do so, the Mercedes- Benz Center need access to your vehicle.
Opening the doors from the inside You can open a door from the inside even when it is locked unless it is secured with the child safety lock (Y page 60). Open door only when conditions are safe to do so.
Example illustration driver’s door If the vehicle has previously been locked with the SmartKey or with KEYLESS-GO, opening a door from the inside will trigger the anti- theft alarm system. To cancel the alarm, see (Y page 73). X Front doors: Pull on inside door
handle ; on the respective front door. If the door was locked, locking knob : will move up.
X Rear doors: Pull up locking knob on the
respective rear door to unlock door.
Automatic central locking The doors and the trunk lock automatically when the vehicle is set into motion. You can open a locked front door from the inside. Open door only when conditions are safe to do so. The doors are designed to unlock automatically after an accident if the force of the impact exceeds a preset threshold. The vehicle locks automatically when the ignition is switched on and the wheels are turning at a vehicle speed of above 9 mph (15 km/h). You could therefore lock yourself
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out when the vehicle is pushed or towed or is on a test stand.
X Switching off: Press and hold central
unlocking switch : until an acoustic signal sounds.
X Switching on: Press and hold central
locking switch ; until an acoustic signal sounds.
i If you press and hold either switch and no
acoustic signal sounds, the respective setting has already been selected.
i You can also switch on or off the
automatic central locking using the control system (Y page 144).
Locking and unlocking from the inside G Observe Safety notes, see page 56. You can lock or unlock the vehicle from the inside using the central locking or unlocking switch. This can be useful, for example, if you want to lock the vehicle before starting to drive. The central locking or unlocking switch does not lock or unlock the fuel filler flap.
X Locking: Press central locking switch ;.
When all doors are closed, the vehicle locks.
X Unlocking: Press central unlocking
switch :.
You can open a locked front door from the inside. Open door only when conditions are safe to do so. If the vehicle was previously locked with the central locking switch Rand the SmartKey is set to factory settings,
the complete vehicle is unlocked when a front door is opened from the inside Rand the SmartKey is set to selective
settings, only the front door opened from the inside is unlocked
If the vehicle has been locked centrally with the SmartKey or with KEYLESS-GO, it will not unlock using the central unlocking switch.
Opening the trunk G Warning! Make sure the trunk is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter vehicle interior resulting in unconsciousness and death.
! When you open the trunk, the trunk lid swings open upwards. Always make sure there is sufficient overhead clearance.
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You can open the trunk when the vehicle is stationary. A minimum height clearance of 5.78 ft (1.76 m) is required to open the trunk lid.
Opening the trunk from the outside
X Press and hold button F (Y page 76) on the SmartKey until the trunk unlocks and begins to open.
or X Pull on handle :.
In vehicles without KEYLESS-GO: The vehicle must be unlocked.
If the trunk does not open, it is still locked separately (Y page 85).
Opening the trunk from the inside
Closing the trunk G Warning! Make sure the trunk is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter vehicle interior resulting in unconsciousness and death. G Warning! To prevent possible personal injury, always keep hands and fingers away from the trunk opening when closing the trunk lid. Be especially careful when small children are around. G Observe Safety notes, see page 56. Do not leave the SmartKey in the open trunk. You may lock yourself out. If the vehicle was previously locked centrally with the SmartKey or KEYLESS-GO, the trunk lid will lock automatically when closed. All turn signal lamps flash three times and an acoustic signal sounds three times to confirm locking.
Closing the trunk from the outside manually
Example illustration: Vehicles with trunk opening/ closing system X Pull remote trunk opening switch : until
the trunk begins to open.
If the trunk does not open, it is still locked separately (Y page 85).
X Lower trunk lid by pulling on handle : or
handle ; firmly.
X Close trunk with hands placed flat on trunk
lid.
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Version: 2.11.8.1Closing the trunk from the inside automatically G Warning! Maintain sight of the area around the rear of the vehicle while operating the trunk lid with the door mounted switch. Monitor the closing procedure carefully to make sure no one is in danger of being injured. To interrupt the closing procedure, release the door mounted remote trunk opening/ closing switch again. Even with the SmartKey removed from the starter switch or the SmartKey with KEYLESS- GO removed from the vehicle, the remote trunk opening/closing switch can be operated. Therefore, do not leave children unattended in the vehicle, 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. In vehicles with trunk opening/closing system you can close the trunk from the inside using the remote trunk opening/ closing switch. If the trunk lid comes into contact with an object while closing, the closing procedure is stopped and the trunk lid reopens slightly. This will happen only while the trunk is in its upper motion sequence. Check if luggage has been piled too high, for example.
Locking and unlocking
83
X Interrupting the closing procedure: Release remote trunk opening/closing switch :.
Closing the trunk from the outside automatically G Warning! Monitor the closing procedure carefully to make sure no one is in danger of being injured. To prevent possible personal injury, always keep hands and fingers away from the trunk opening when closing the trunk lid. Be especially careful when small children are around. To stop the closing procedure, do one of the following: RPress button F on the SmartKey. RPress the remote trunk opening/closing
switch (on the driver’s door).
RPress the trunk closing switch. RPress the KEYLESS-GO locking/closing
switch.
RPull the trunk lid handle. Even with the SmartKey removed from the starter switch or the SmartKey with KEYLESS- GO removed from the vehicle, the remote trunk opening/closing switch can be operated. Therefore, do not leave children unattended in the vehicle, 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. In vehicles with trunk opening/closing system you can close the trunk from the outside using the trunk closing switch.
X Press and hold remote trunk opening/
closing switch : until the trunk is closed.
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RThe locking knobs in the doors move
down.
RThe trunk lid starts to close
automatically.
RAll turn signal lamps flash three times to
confirm locking once the trunk has closed completely.
RAn acoustic signal sounds three times. RThe anti-theft alarm system is armed. If the trunk lid comes into contact with an object while closing, the closing procedure is stopped and the trunk lid reopens slightly. This will happen only while the trunk is in its upper motion sequence. Check if luggage has been piled too high, for example.
Trunk lid emergency release The trunk lid can be opened from inside the trunk with the emergency release button.
Example: Vehicles with KEYLESS-GO X Press trunk closing switch : briefly. If the trunk lid comes into contact with an object while closing, the closing procedure is stopped and the trunk lid reopens slightly. This will happen only while the trunk is in its upper motion sequence. Check if luggage has been piled too high, for example. Closing the trunk and locking vehicle from outside This section applies to vehicles with trunk opening/closing system and KEYLESS-GO only. You can close the trunk and lock the vehicle simultaneously from the outside using the KEYLESS-GO locking/closing switch.
X Make sure you have the SmartKey with
KEYLESS-GO with you.
X Press KEYLESS-GO locking/closing
switch : briefly. With all doors closed:
X Briefly press emergency release
button :. The trunk lid unlocks and opens.
The emergency release button unlocks and opens the trunk while the vehicle is standing still or in motion. Illumination of the emergency release button: RThe button flashes for 30 minutes after
opening the trunk.
RThe button flashes for 60 minutes after
closing the trunk.
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Version: 2.11.8.1The emergency release button does not open the trunk, if the vehicle battery is discharged or disconnected.
Valet locking You can lock the trunk separately with the mechanical key. This denies unauthorized access to the trunk, e.g. when you valet park the vehicle. X Leave only the SmartKey less its mechanical key with the vehicle.
X Valet locking: Close the trunk. X Remove the mechanical key from the
SmartKey (Y page 315).
X Insert the mechanical key in the trunk lid
lock.
X Turn the mechanical key clockwise to
position 2 and remove the mechanical key in that position to lock the trunk. The trunk remains locked even when the vehicle is centrally unlocked. You can then only open the trunk with the mechanical key. X Canceling: Insert the mechanical key in
the trunk lid lock.
X Turn the mechanical key counterclockwise
to neutral position 1 and remove the mechanical key in that position to unlock the trunk. You can now open the trunk.
Starter switch positions
85
Starter switch positions SmartKey G Observe Safety notes, see page 56.
g For removing SmartKey (gear selector
lever must be in park position P) 1 Power supply for some electrical
consumers, e.g. wipers
2 Ignition (power supply for all electrical
consumers) and driving position
3 Starting position When you switch on the ignition, all lamps in the instrument cluster come on. The low- beam headlamp indicator lamp, high-beam headlamp indicator lamp, turn signal indicator lamps, and the indicator lamps for the fog lamps will only come on if activated. If a lamp in the instrument cluster fails to come on when the ignition is switched on, have it checked and replaced if necessary. If a lamp in the instrument cluster remains on after starting the engine or comes on while driving, refer to “Lamps in instrument cluster” (Y page 304). If the SmartKey is left in starter switch position 0 for an extended period of time, it can no longer be turned in the starter switch. In this case, the steering is locked. To unlock, remove SmartKey from the starter switch and reinsert. The steering is locked when the SmartKey is removed from the starter switch.
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Version: 2.11.8.186
Starter switch positions
X Always remove the SmartKey from the starter switch when the engine is not in operation. This will help to prevent accelerated vehicle battery discharge or a completely discharged vehicle battery.
the SmartKey is in the vehicle, the vehicle’s electrical systems can be switched on or the engine can be started using the KEYLESS-GO start/stop button.
If the SmartKey cannot be turned in the starter switch, the vehicle battery may not be sufficiently charged. X Check the vehicle battery and charge it if
necessary (Y page 337).
or X Get a jump start (Y page 338). i If the SmartKey does not belong to the
vehicle, the SmartKey can be turned in the starter switch. However, the ignition does not switch on and the engine does not start.
KEYLESS-GO G Observe Safety notes, see page 56. Vehicles equipped with the KEYLESS-GO feature are supplied with a SmartKey with integrated KEYLESS-GO function and a removable KEYLESS-GO start/stop button. The KEYLESS-GO start/stop button must be inserted in the starter switch and the SmartKey present in the vehicle. Pressing the KEYLESS-GO start/stop button without depressing the brake pedal corresponds to the various starter switch positions (Y page 85). Pressing the KEYLESS-GO start/stop button with the brake pedal firmly depressed will start the engine (Y page 109). The KEYLESS-GO start/stop button can be pulled out of the starter switch easily. You can then insert the SmartKey into the starter switch. i The KEYLESS-GO start/stop button does
not need to be removed from the starter switch when you leave the vehicle. However, always take the SmartKey with you when you leave the vehicle. As long as
: KEYLESS-GO start/stop button ; Starter switch X Insert the KEYLESS-GO start/stop button
into the starter switch (if not inserted already).
i Allow for 2 seconds until the system has
detected the KEYLESS-GO start/stop button.
X Make sure the automatic transmission is in
park position P.
X Do not depress the brake pedal.
KEYLESS-GO start/stop button = USA only ? Canada only
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Version: 2.11.8.1Position 0
Before you press the KEYLESS-GO start/stop button, the vehicle’s on-board electronics have status 0 (as with SmartKey removed).Position 1
X Press the KEYLESS-GO start/stop buttononce. This supplies power for some electrical consumers, e.g. wipers.
i When you now open the driver’s door, the
power supply is switched off.
Ignition (or position 2) X Press the KEYLESS-GO start/stop button
twice. This supplies power for all electrical consumers. When you switch on the ignition, all lamps in the instrument cluster come on. The low- beam headlamp indicator lamp, high-beam headlamp indicator lamp, turn signal indicator lamps, and the indicator lamps for the fog lamps will only come on if activated. If a lamp in the instrument cluster fails to come on when the ignition is switched on, have it checked and replaced if necessary. If a lamp in the instrument cluster remains on after starting the engine or comes on while driving, refer to “Lamps in instrument cluster” (Y page 304).
i When you now press the KEYLESS-GO start/stop button once and the driver’s door is open, the power supply is switched off.
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Seats Safety notes G Warning! In order to avoid possible loss of vehicle control the following must be done before the vehicle is put into motion: Rseat adjustment Rhead restraint adjustment Rsteering wheel adjustment Rrear view mirror adjustment Rfastening of seat belts G Warning! Do not adjust the driver’s seat while driving. Adjusting the seat while driving could cause the driver to lose control of the vehicle. 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 fatal injuries. The seat backrest and seat belts provide the best restraint when the wearer is in a position that is as upright as possible and seat belts are properly positioned on the body. G Warning! Your seat must be adjusted so that you can correctly fasten your seat belt. Observe the following points: RAdjust the seat backrest until your arms are slightly angled when holding the steering wheel.
RAdjust the seat to a comfortable seating position that still allows you to reach the accelerator/brake pedal safely. The position should be as far back as possible with the driver still able to operate the controls properly.
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RAdjust the head restraint so that it is as
close to the head as possible. The center of the head restraint must support the back of the head at eye level.
RNever place hands under the seat or near
any moving parts while a seat is being adjusted.
Failure to do so could result in an accident and/or serious personal injury. G Warning! The power seats can be operated at any time. Therefore, do not leave children unattended in the vehicle, 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. G Warning! According to accident statistics, children are safer when properly restrained in the rear seating positions than in the front seating position. Thus, we strongly recommend that children be placed in the rear seats whenever possible. Regardless of seating position, children 12 years old and under must be seated and properly secured in an appropriately sized infant restraint, toddler restraint, or booster seat recommended for the size and weight of the child. For additional information, see “Children in the vehicle”. 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! For your protection, drive only with properly positioned head restraints. Adjust the head restraint so that it is as close to the head as possible and the center of the head restraint supports the back of the head at eye level. This will reduce the potential for injury to the head and neck in the event of an accident or similar situation.
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Version: 2.11.8.1Do not drive the vehicle without the seat head restraints. Head restraints are intended to help reduce injuries during an accident.
Seat adjustment ! When moving the seats, make sure there are no items in the footwell or behind the seats. Otherwise, you could damage the seats and/or the items.
Power seats i The memory function (Y page 96) lets
you store the settings for the seat position together with the settings for the steering wheel and the exterior rear view mirrors.
i Vehicles with split rear seat bench:
If you fold down one or both sections of the rear seat backrest, the respective front seat is moved forward slightly, if necessary, to prevent contact with the rear seat backrest.
X Seat fore and aft adjustment: Press the switch forward or backward in direction of arrow ?.
X Seat backrest tilt: Press the switch
forward or backward in direction of arrow A.
X Seat height: Press the switch up or down
in direction of arrow =.
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Version: 2.11.8.1X Seat cushion tilt: Press the switch up or down in direction of arrow ; until your upper legs are lightly supported.
X Head restraint height: Press the switch
up or down in direction of arrow :.
Head restraint fore and aft adjustment
X Push or pull on the lower edge of the head restraint cushion to the desired position.
Comfort head restraint G Warning! When folding back the side cushions, never reach between the side cushion and the mounting post. You could otherwise be trapped.
You can adjust the side cushions of the head restraints individually. X Adjusting side cushions: Pull or push side
cushions : into desired position.
X Adjusting forward or backward: Pull or
push head restraint in direction of arrow ;.
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89
Lumbar support You can adjust the contour of the front seat’s lumbar support to help enhance support to your spine.
X Curvature position: Use button : to move the curvature up and button = to move it down.
X Degree of curvature: Use button ; to
lessen the curvature and button ? to increase it.
Rear seat head restraints G Warning! For safety reasons, always drive with the rear head restraints in the upright position when the rear seats are occupied. Keep the area around head restraints clear of articles (e.g. clothing) to not obstruct the folding operation of the head restraints. G Warning! For your protection, drive only with properly positioned head restraints. Adjust the head restraint in such a way that it is as close to the head as possible and the center of the head restraint supports the back of the head at eye level. This will reduce the potential for injury to the head and neck in the event of an accident or similar situation. With a rear seat occupied, make sure to move the respective head restraint up from the
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lowest non-use position and have the occupant adjust the head restraint properly. Do not drive the vehicle without the seat head restraints installed when the rear seats are occupied. Head restraints are intended to help reduce injuries during an accident. G Warning! Make sure the rear seat head restraints engage when placing them upright manually. Otherwise their protective function cannot be ensured. The back of the head will not be supported in the event of a collision. That could cause serious or even fatal injuries. Rear seat occupants can be seriously injured or killed.
Lowering rear seat head restraints The rear seat head restraints can be lowered for increased visibility.
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Version: 2.11.8.1Rear seat head restraint height adjustment
X Raising: Pull head restraint upward to the
desired position.
X Lowering: Press release button : and
push down on head restraint.
Rear seat head restraint fore and aft adjustment
X Press button :.
The rear seat head restraints are lowered.
X Adjust the head restraint to the desired
position by pushing or pulling on the upper edge of the head restraint cushion.
Rear seat head restraints, removing and installing (vehicles with split foldable rear seat backrest) i The rear seat head restraints cannot be removed on vehicles which do not have the split foldable rear seat backrest.
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= Seat backrest side bolsters ? Massage function A Seat backrest contour support B Seat backrest contour up or down X Seat cushion length: Adjust the seat cushion to the length of your upper leg using switch :.
X Seat backrest side bolsters: Adjust the
side bolsters so that they provide good lateral support using switch =.
X Seat backrest contour: Adjust the
contour of the seat backrest to the desired position using switches A and B.
Drive-dynamic function The drive-dynamic multicontour seat electronically controls the air pressure in the air chambers of the seat backrest side bolsters. This function improves driving comfort and pleasure. You can choose between: RLevel 1 (one indicator lamp comes on): Less lateral support and slow air pressure build- up in the air chambers of the seat backrest side bolsters.
RLevel 2 (two indicator lamps come on):
Strong lateral support and fast air pressure build-up in the air chambers of the seat backrest side bolsters.
X Switching on: Press button ; repeatedly
until the desired level is set. One or two indicator lamps in the button come on.
X Switching off: Press button ; repeatedly
until all indicator lamps go out.
X Removing: Unlock the rear seat backrest (Y page 199) and fold it slightly forward. X Pull head restraint to its highest position. X Press release button : and pull out head
restraint.
X Installing: Position the head restraints so that the notches on the rod are on the left when looking in the direction of travel.
X Insert head restraint and push it down until
it engages.
X Fold the rear seat backrest back until it
engages.
Drive-dynamic multicontour seat The drive-dynamic multicontour seat is only available on the driver’s side. The drive-dynamic multicontour seat allows several individual support adjustments and can automatically adjust lateral support to your driving style.
: Seat cushion length ; Drive-dynamic function
Massage function (PULSE) You can reduce muscle tension during long trips by periodically using the massage function. you can choose between two levels.
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Version: 2.11.8.1X Switching on: Press button ? repeatedly
until the desired level is set. One or two indicator lamps in the button come on. The air cushions in the lumbar region inflate and deflate rhythmically for approximately 20 minutes.
Seat heating
Seat ventilation
Front seat heating switches
The blue indicator lamps in seat ventilation switch : come on to show which ventilation level you have selected. i The seat ventilation for the driver’s seat can be activated using the summer opening feature (Y page 107). X Switch on the ignition. X Switching on: Press seat ventilation
switch :. Three blue indicator lamps in seat ventilation switch : come on.
X Press seat ventilation switch : repeatedly
until the desired ventilation level is set.
X Switching off: Press seat ventilation switch : repeatedly until all indicator lamps go out.
If there is insufficient voltage the seat ventilating switches off automatically.
Rear seat heating switch (Canada only) The red indicator lamps in seat heating switch : come on to show which heating level you have selected. The seat heating switches from level 3 (high) to level 2 after approximately 8 minutes. The seat heating switches from level 2 to level 1 (low) after approximately 10 minutes. After approximately 20 minutes in level 1, the seat heating switches off automatically. X Switch on the ignition. X Switching on: Press seat heating
switch :.
X Switching off: Press seat heating
switch : repeatedly until all indicator lamps go out.
If there is insufficient voltage the seat heating switches off automatically. The seat heating will switch back on again automatically as soon as sufficient voltage is available.
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Version: 2.11.8.1Multifunction steering wheel Safety notes G Warning! Do not adjust the steering wheel while driving. Adjusting the steering wheel while driving could cause the driver to lose control of the vehicle. The electrical steering wheel adjustment feature can be operated at any time. Therefore, do not leave children unattended in the vehicle, 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. Make sure Ryou can reach the steering wheel with your
arms slightly bent at the elbows
Ryou can move your legs freely Rall displays (including malfunction and
indicator lamps) on the instrument cluster are clearly visible
Steering wheel adjustment
X Adjusting steering wheel up or down:
Move stalk in direction of arrows :.
X Adjusting steering wheel in or out: Move
stalk in direction of arrows ;.
i The memory function (Y page 96) lets you store the settings for the steering wheel together with the settings for the
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93
seat position and the exterior rear view mirrors.
Easy-entry/exit feature This feature allows the driver an easier entry into and exit from the vehicle. When entering and exiting the vehicle, the steering wheel is in its uppermost position. The easy-entry/exit feature can be activated or deactivated in the Convenience submenu of the control system (Y page 145). G Warning! You must make sure no one can become trapped or injured by the moving steering wheel when the easy-entry/exit feature is activated. To stop steering wheel movement, move steering wheel adjustment stalk or press one of the memory position buttons. Do not leave children unattended in the vehicle, or with access to an unlocked vehicle. Children could open the driver’s door and unintentionally activate the easy-entry/exit
