Changing the battery

You require a CR 2025 3 V cell battery.

the 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 palm until battery 3 falls out. Repeatedly tap the SmartKey against your palm until battery 3 falls out.
positive terminal facing upwards. Use a lint-free cloth to do so. Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.
battery is free from lint, grease and all other forms of contamination. Make sure that the surface of the battery is free from lint, grease and all other forms of contamination.
tray cover 1 and then press to close it. Insert the front tabs of battery tray cover 1 and then press to close it.
SmartKey. Insert the mechanical key into the SmartKey.
buttons on the vehicle. Check the function of all SmartKey buttons on the vehicle.

    See also:

    Styling
    Riding lower than a crossover but looking sleeker than a minivan, the R-Class might best be described as a large wagon. It's nearly as long as Mercedes' flagship S-Class full-size sedan, but wider ...

    Comprehensive restraint systems for even better occupant protection
    The passive occupant protection systems, together with the "electronic crumple zone" and intelligent body design which have already been described, provide optimum protection potential, ...

    Driving over obstacles
    Obstacles could damage the floor of the vehicle or components of the chassis. Ask passengers for guidance when driving over large obstacles. The passenger should always keep a safe distance fro ...