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:

    Hazard warning lamps
    The hazard warning lamps automatically switch on if:  - an air bag is deployed.  - the vehicle is slowed down severely from a speed of over 45 mph(70 km/h) and comes to a halt. ...

    Cabin Comfort
    It's hard to believe the cabin design in the S-Class is four years old. It feels contemporary, from its broad instrument shelf, which ps two-thirds of the dashboard, to the seamless row of climate ...

    Notes on technical data
    The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...