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:

    Rear axle level control
    The vehicle automatically sets the vehicle level at the rear axle. Rear axle level control ensures the best possible suspension and that the ground clearance remains constant even when the veh ...

    System self-test
    If an adult occupant is properly sitting on the passenger seat and the OCS classifies the occupant as an adult, the indicator lamp illuminates and goes out again after approximately 6 seconds ...

    Activating/deactivating PRE-SAFE® Brake
    PRE-SAFE® Brake is only available in vehicles with DISTRONIC PLUS. – Press the or button on the steering wheel to select the DriveAssist menu. – Press or to select PRE-SAFE Brake. – P ...