See also:

SRS warning lamp
SRS functions are checked regularly when you switch on the ignition and when the engine is running. Therefore, malfunctions can be detected in good time. The SRS warning lamp in the instrume ...

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

Activation conditions
You can activate the HOLD function if:  - the vehicle is stationary.  - the engine is running.  - the driver's door is closed or your seat belt is fastened.  - the p ...