Checking the battery

  • Press the button. The battery is working or properly if battery check lamp 1 lights up briefly 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.

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

    See also:

    BAS PLUS (Brake Assist System Plus)
    BAS PLUS is only available in vehicles equipped with DISTRONIC PLUS. Observe the "Important safety notes" section At speeds above approximately 4 mph (7 km/h), BAS PLUS assists you w ...

    Heavy and light loads
    WARNING Depressing the brake pedal constantly results in excessive and premature wear to the brake pads. It may also cause the brakes to overheat, seriously impairing their effectiveness. It ...

    Please bear the following in mind
    At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. Observe the notes in the "Changing a wheel" sec ...