Activating/deactivating
WARNING
Any accumulation of snow and ice should be
removed from the rear window before driving.
Visibility could otherwise be impaired, endangering you and others.
The rear window defroster has a high current draw. You should therefore switch it off as soon as the window is clear as it only switches off automatically after several minutes.
http://strategic-human-resource.com/If the battery voltage is too low, the rear window defroster may switch off.
•► Turn the SmartKey to position 2 in the ignition lock.
•► Press the 
button.
The indicator lamp above the 
button
lights up or goes out.
See also:
Deactivating DISTRONIC PLUS
Deactivating DISTRONIC PLUS
There are several ways to deactivate DISTRONIC PLUS:
Briefly press the cruise control
lever forwards 1.
or
Brake, unless the vehicle is
stationary.
When you de ...
Kickdown
Use kickdown for maximum acceleration.
Vehicles for USA except AMG vehicles: fully depress the accelerator
pedal.
The transmission shifts to a lower gear
depending on the engine speed.
Vehicl ...
Important notes on the use of KEYLESSGO
The KEYLESS-GO key can be used like a conventional key.
You can combine KEYLESS-GO functions with those of a conventional key,
e.g. unlock with KEYLESS-GO and lock with the
button.
Always ...