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:

    BAS (Brake Assist System)
    Observe the "Important safety notes" section. BAS operates in emergency braking situations. If you depress the brake pedal quickly, BAS automatically boosts the braking force, thus ...

    Setting the airflow
    Dual-zone automatic climate control •► Turn the SmartKey to position 2 in the ignition lock. •► To increase/reduce: press button 11 up or down 3-zone automatic climate control • ...

    Switching on DISTRONIC PLUS, storing the current speed and maintaining it
    Important safety notes WARNING The vehicle can be braked when DISTRONIC PLUS is activated. For this reason, deactivate DISTRONIC PLUS if the vehicle is to be set in motion by other means (e. ...