See also:

Range of the sensors
General notes The sensors must be free of dirt, ice and slush; otherwise they may not function correctly. Clean the sensors regularly, taking care not to scratch or damage them (). Side view ...

Windows fogged up on the inside
Activate the cooling with air dehumidification function via COMAND. Activate automatic mode . If the windows continue to fog up, activate the defrosting function You should only select this ...

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. Turn the SmartKey to position 2 in the ignition lock. On vehicles with KEYLESS-GO, press the ...