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:

    Owner Checks and Services
    At Each Fuel Stop ○ Check the engine oil level. See Engine Oil on page 10‑10. Once a Month ○ Check the tire inflation pressures. See Tire Pressure on page 10‑51. ○ In ...

    Drive selector fails to elevate
    If the drive selector is obstructed, remove the obstruction and then start the engine. The selector should elevate as normal. If the selector still fails to elevate, even if there is no obstructio ...

    Timed climate remote control
    The dedicated remote control has a range of approximately 100m (328ft). Press and hold the ON button for two seconds. Note: Avoid touching the antenna when operating the ON or OFF button. Timed ...