Mercedes-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:
If Steam is Coming from the Engine Compartment
WARNING
Steam from an overheated engine can burn you badly, even if you just open the
hood. Stay away from the engine if you see or hear steam coming from it. Just turn
it off and get everyone aw ...
Service menu
In the Service menu you can:
call up display messages ()
restart the tire pressure loss warning system (Canada only) ()
check the tire pressure electronically (USA only) ()
call up the ser ...
If no steam is coming from the engine compartment
NOTE
For details about how to check the
coolant level or how to add coolant,
refer to “Engine coolant”.
1. Keep the engine running at idling
speed.
2. Open the hood to ventilate the engi ...