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:
Operating audio player or audio media
Audio data from various audio devices or
media can be played, depending on the
equipment installed in the vehicle.
– Switch on COMAND and select the audio
device or medium (see the separate
o ...
Conditions for activation
RACE START can be activated when:
• the doors are closed.
• the engine is running and it has reached an
operating temperature of approximately
176 °F (80 °C). This is the case when the
engine ...
Windshield/headlamp cleaning
system
WARNING
Washer solvent/antifreeze is highly
flammable. Do not spill washer solvent/
antifreeze on hot engine parts, because it may ignite and burn. You could be
seriously
burned.
Use MB ...