Mercedes-Benz GLK-Class: Changing the battery - SmartKey battery - SmartKey - Opening/closing - Mercedes-Benz GLK-Class Owner's ManualMercedes-Benz GLK-Class: Changing the battery

You require a CR 2025 3 V cell battery.

  • Take the mechanical key out of the SmartKey ().

  • Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery tray cover 1 opens. When doing so, do not hold cover 1 shut.
  • Remove battery tray cover 1.

  • Repeatedly tap the SmartKey against your palm until battery 3 falls out.
  • Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.
  • Make sure that the surface of the battery is free from lint, grease and all other forms of contamination.
  • Insert the front tabs of battery tray cover 1 and then press to close it.
  • Insert the mechanical key into the SmartKey.
  • Check the function of all SmartKey buttons on the vehicle.
    Checking the battery
    Press the or 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 discha ...

    Problems with the SmartKey
    Problem You cannot lock or unlock the vehicle using the SmartKey. Possible causes/consequences and Solutions The SmartKey battery is discharged or nearly discharged. Try again to lock/unlock th ...

    See also:

    Languages
    The vehicle supports English, French (Canadian), and Spanish. The default language is English. To change the display language, see Vehicle Personalization on page 5‑33 for more information. ...

    Vehicle build date plate (Australia only)
    This is the calendar month and year in which the body and power train assemblies were conjoined and the vehicle was driven from the production line. The vehicle built date is shown on the tyre pr ...

    Shift Positions
    The transfer case switch is located on the center console next to the shift lever. Transfer Case Switch 2WD Rear Wheel Drive High Range - This range is for normal street and highway driving o ...