Mercedes-Benz GL-Class: SmartKey battery - SmartKey - Opening/closing - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: SmartKey battery

Important safety notes

It is advisable to have batteries replaced at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center.

WARNING Batteries contain toxic and caustic 
Batteries contain toxic and caustic substances. For this reason, keep batteries out of the reach of children.
If a battery has been swallowed, seek medical help immediately.

WARNING The SmartKey batteries contain perchlorate 
The SmartKey batteries contain perchlorate material, which may require special handling and regard for the environment. Observe government disposal guidelines. California residents, see www.dtsc.ca.gov/HazardousWaste/Perchlorate/index.cfm.

Checking the battery

► Press the

► Press the button.

The SmartKey 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 SmartKey battery is discharged.

► Changing the battery

authorized Mercedes-Benz Center. The battery can be obtained from any authorized Mercedes-Benz Center.

the signal reception range of the vehicle, If the SmartKey battery is checked within the signal reception range of the vehicle, pressing the unlocks the vehicle. button locks or unlocks the vehicle.

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

► 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

► 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.

    Mechanical key
    General notes If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system ...

    See also:

    Armrest (if so equipped)
    Front seats Front seats The console box lid can be used as an armrest. Slide the box lid forward or backward to the desired position (if so equipped). 2nd row seat 2nd row seat Pu ...

    Intelligent Key operation
    You can lock or unlock the doors without taking the key out from your pocket or bag. When you carry the Intelligent Key with you, you can lock or unlock all doors by pushing the door handle ...

    Important safety notes
    DSR is an aid to assist you when driving downhill. It keeps the speed of travel at the speed selected on the on-board computer. The steeper the downhill gradient, the greater the DSR braking eff ...