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 segmgiv-ent.
Locking and unlocking
Information on locking and unlocking can be found in the “Getting started” section on (컄page 30) and (컄page 51).
SmartKey
Your vehicle comes supplied with two SmartKeys with remote controls and a re-movable mechanical key. The locking tabs for the mechanical key portion of the two keys are a different color to help distin-guish each key unit.
The remote control key provides an ex-tended operating range. To prevent theft, however, it is advisable to only unlock the vehicle when you are in close proximity to it.
The key centrally locks and unlocks:
앫 the doors
앫 the trunk lid
SmartKey with remote controls 1 ‹ Lock button
2 Mechanical key locking tab 3 ΠUnlock button 4 Battery check lamp
5 Â Panic button* (컄page 72)
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Canada only:
Only vehicles equipped with an anti-theft alarm system* have SmartKeys with integrated panic
Controls in detail Locking and unlocking
Factory setting Global unlocking
왘 Press button Œ.
All turn signal lamps blink once. The locking knobs in the doors move up.
The vehicle will lock again automatically within approximately 40 seconds of un-locking if neither door nor trunk lid is opened, the SmartKey is not inserted in the starter switch, or the central locking switch is not activated.
Global locking
왘 Press button ‹.
All turn signal lamps blink three times.
The locking knobs in the doors move down.
Selective setting
If you frequently travel alone, you may wish to reprogram the key 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 4 blinks twice.
The key will then function as follows:
Unlocking driver’s door and fuel filler flap
왘 Press button Œ once.
Global unlocking
왘 Press button Œ twice.
Global locking
Restoring to factory setting
왘 Press and hold buttons Œ and ‹ simultaneously for about six seconds until battery check lamp 4 blinks twice.
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You can also open and close the power windows (컄page 183) and panorama sliding/pop-up roof (컄page 185) from outside using the SmartKey.
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To prevent possible malfunction, avoid exposing the key to high levels of elec-tromagnetic radiation.
Warning!
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When leaving the vehicle, always remove the key from the starter switch and lock the ve-hicle. Do not leave children unattended 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 re-sult in an accident and/or serious injury.
Controls in detail Locking and unlocking
Checking the batteries
왘 Press button ‹ or Œ.
Battery check lamp 4 lights up briefly to indicate that the key batteries are in order.
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.
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If you can no longer lock or unlock the vehicle with the key, then either the batteries in the SmartKey are dis-charged or the key is malfunctioning or the vehicle battery is drained.
앫 Check the batteries in the key and replace them if necessary
(컄page 276).
or
앫 Check the vehicle battery (컄page 294).
or
앫 Use the mechanical key to unlock the doors (컄page 274) as required.
Lock the vehicle using the mechan-ical key (컄page 275).
If the key is malfunctioning, contact an authorized Mercedes-Benz Center.
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If battery check lamp 4 does not light up briefly during check, then the key batteries are discharged.
Replace the batteries (컄page 276).
You can obtain the required batteries at any authorized Mercedes-Benz Cen-ter.
Controls in detail Locking and unlocking
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
왘 Pull on door handle 2.
If door was locked, locking knob 1 will move up.
Opening the trunk lid
1 Handle
왘 Pull handle 1 in direction of arrow to open the trunk lid.
The trunk lid swings open upwards. Always make sure that there is sufficient overhead clearance.
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If the vehicle has previously been locked from the outside with the re-mote control, opening a door from the inside will trigger the alarm.
To cancel the alarm, do one of the fol-lowing:
앫 Press button Œ or‹ on the SmartKey.
앫 Insert the SmartKey in the starter switch.
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The vehicle must be unlocked.
Controls in detail Locking and unlocking
Closing the trunk lid1 Handle
왘 Lower trunk lid by pulling firmly on grip 1.
왘 Close trunk lid with hands placed flat on it.
Trunk lid emergency release
The emergency release button is located in the trunk lid.
앫 The button will blink for 60 minutes af-ter closing the trunk lid.
왘 Briefly press the emergency release button.
The trunk unlocks and the trunk lid opens.
Warning!
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To prevent possible personal injury, always
Warning!
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Only drive with the trunk closed as, among other dangers such as visibility blockage, exhaust fumes may enter the vehicle interi-or.
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The emergency release button does not open the trunk lid if the vehicle bat-tery is discharged or disconnected.
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If the emergency release button is pressed and the vehicle was centrally locked, the exterior lamps will flash and the alarm will sound as the trunk lid opens.
To cancel the alarm, insert the key in the starter switch or press button Œ or‹ on the key.
Controls in detail Locking and unlocking
Automatic central locking
The doors and the trunk lid 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.
You can deactivate the automatic locking using the control system (컄page 122).
Locking and unlocking from the inside You can lock or unlock the doors and the trunk lid 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.
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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
앫 is on a test stand
Warning!
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When leaving the vehicle, always remove the key from the starter switch and lock the ve-hicle. 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.
Controls in detail Locking and unlocking
The switch is located in the center console.
Central locking switch 1 Locking
2 Unlocking Locking
왘 Press upper half 1 of the central lock-ing switch.
If both front doors are closed, the vehi-cle locks.
Unlocking
왘 Press lower half 2 of the central lock-ing switch.
The vehicle unlocks.
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You can open a locked door from in-side. 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 locking switch.
If the vehicle was previously locked with the central locking switch
앫 while in the selective remote con-trol mode, only the door opened from the inside is unlocked.
앫 while in the global remote control mode, the complete vehicle is un-locked when a door is opened from