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 your

•► 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.

    See also:

    Cleaning the wiper blades
    WARNING Before cleaning the windshield or wiper blades, switch off the windshield wipers and remove the SmartKey from the ignition lock. On vehicles with KEYLESS-GO, press the Start/Stop but ...

    Multifunction steering wheel
    Multifunction steering wheel Function 1 Multifunction display 2 Audio system/COMAND; see the separate operating instructions 3 Switches on the Voice Control System; see the separate operating ...

    Opening and closing the side windows
    1. Front left 2. Front right 3. Rear right 4. Rear left The switches for all side windows are located on the driver's door. There is also a switch on each door for the corresponding ...