General notes
If the vehicle can no longer be locked or unlocked with the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door or the trunk lid, the anti-theft alarm system will be triggered.
There are several ways to turn off the alarm:
To turn the alarm off with
the SmartKey: press the
or
button on the SmartKey.
or
Insert the SmartKey into the
ignition lock.
or
To deactivate the alarm with
KEYLESS-GO:
press the Start/Stop button in the
ignition lock. The SmartKey must be in the
vehicle.
or
Lock or unlock the vehicle using
KEYLESS-GO. The SmartKey must be outside the
vehicle.
If you unlock the vehicle using the mechanical key, the fuel filler flap will not be unlocked automatically.
To unlock the fuel filler
flap: insert the SmartKey in the ignition lock.
See also:
Opening and closing
You can continue to operate the sliding
sunroof after switching off the engine or
removing the SmartKey from the ignition
lock. This function is available for up to five
minutes or until the d ...
Rear seat head restraints
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 ...
Problems with your vehicle
If you should experience a problem with your
vehicle, particularly one that you believe may
affect its safe operation, we urge you to
contact an authorized Mercedes-Benz Center
immediately to have ...