Checking the battery

•► Press the or

•► Press the button. or The battery is working properly if battery button.

The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, the battery is discharged.

•► Changing the battery

You can obtain the battery at a qualified specialist workshop.

i If the SmartKey battery is checked within the signal reception range of the vehicle, pressing the button locks or or unlocks the vehicle. button locks or unlocks the vehicle.

    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 messag ...

    Setting the air distribution in the front/rear compartment using COMAND
    The air distribution can be set using COMAND. ...

    General notes
    If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. Check the battery in ...