Mercedes-Benz GLK-Class: Problems with the SmartKey - SmartKey - Opening/closing - Mercedes-Benz GLK-Class Owner's ManualMercedes-Benz GLK-Class: 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 the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the button./ button.

If this does not work:

  • Check the SmartKey battery () and replace it if necessary ().
  • Lock () or unlock () the vehicle using the mechanical key.

The SmartKey is faulty.

  • Lock () or unlock () the vehicle using the mechanical key.
  • Have the SmartKey checked at a qualified specialist workshop.

Problem

You can no longer lock or unlock the vehicle using KEYLESS-GO.

Possible causes/consequences and Solutions

KEYLESS-GO is in standby mode because the vehicle has not been unlocked for an extended period.

  • Pull the door handle and then turn the SmartKey to position 2 in the ignition lock.

There is interference from a powerful source of radio waves.

  • Lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the button./button. button.

There is a malfunction with KEYLESS-GO.

  • Lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the button./button. button.
  • Have KEYLESS-GO checked at a qualified specialist workshop.

If this does not work:

  • Check the SmartKey battery () and replace it if necessary ().
  • Lock () or unlock () the vehicle using the mechanical key.

Problem

You have lost a SmartKey.

Possible causes/consequences and Solutions

  • Have the SmartKey deactivated at a qualified specialist workshop.
  • Report the loss immediately to the vehicle insurers.
  • If necessary, have the locks changed as well.

Problem

You have lost the mechanical key.

Possible causes/consequences and Solutions

  • Report the loss immediately to the vehicle insurers.
  • If necessary, have the locks changed as well.

Problem

The engine cannot be started using the SmartKey.

Possible causes/consequences and Solutions

The on-board voltage is too low.

  • Switch off non-essential consumers, e.g. seat heating or interior lighting, and try to start the engine again.

If this does not work:

  • Check the starter battery and charge it if necessary ().

or

  • Jump-start the vehicle ().

or

  • Consult a qualified specialist workshop.

Problem

The engine cannot be started using KEYLESSGO. The SmartKey is in the vehicle.

Possible causes/consequences and Solutions

A door is open. Therefore, the SmartKey cannot be detected as easily.

  • Close the door and try to start the vehicle again.

There is interference from a powerful source of radio waves.

  • Start your vehicle with the SmartKey in the ignition lock.
    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 batte ...

    Doors
    ...

    See also:

    Indicator lights
    All-Wheel Drive (AWD) LOCK indicator light (AWD model) This light illuminates when the ignition switch is turned to the ON position, and turns off within 1 second. When selecting the LOCK mode ...

    Before changing a fuse
    Park the vehicle and apply the parking brake. Switch off all electrical consumers. Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: fuse box on th ...

    Brakes
    *1: Minimum pedal clearance when depressed with a force of 110 lbf (490 N, 50 kgf) while the engine is running *2: Parking brake lever travel when pulled up with a force of 45 lbf (200 N, 21 kgf) ...