See also:

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning me ...

Setting the temperature in the rear compartment using the front control panel
Turn the SmartKey to position 2 in the ignition lock. Activate the rear compartment function via COMAND. The rear-compartment climate control can be controlled via the front control panel ...

Problems with Night View Assist Plus
Problem Possible causes/consequences and Solutions The picture quality of Night View Assist Plus has deteriorated. The windshield wipers are smearing the windshield. – ...