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.
See also:
Cup holder in the front-compartment center console
Cup holder in the front-compartment center console
1 Cup holders ...
Information about driving abroad
Converting to symmetrical low beam
when driving abroad: switch the headlamps
to symmetrical low beam in countries in
which traffic drives on the opposite side of the
road to the country where ...
More power, lower consumption: the engines
An improvement of up to 31 per cent has been achieved in fuel consumption and
all Mercedes-Benz C-Class launch models will feature the ECO start/stop function
as standard. All the engine variants ...