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:

    ETS/4ETS (Electronic Traction System)
    WARNING Observe "Important safety notes". Traction control is part of ESP®. Traction control brakes the drive wheels individually if they spin. This enables you to pull away and acc ...

    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 ...

    Switching the ZONE function on/off
    - To switch on: press the button. The indicator lamp in the button lights up. Dual-zone automatic climate control: the temperature setting for the driver's side is not adopted for the fr ...