Mercedes-Benz C-Class Owners Manual
See also:
Problems with the SmartKey
Problem
Possible causes/consequences and
Solutions
You cannot lock or unlock the vehicle using
the SmartKey.
The SmartKey battery is discharged or nearly discharged.
...
Setting climate control to automatic
WARNING
If you switch off the cooling function, the
vehicle will not be cooled when weather conditions are warm. The windows can fog
up
more quickly. Window fogging may impair
visibility ...
Turn signal lamps/side marker lamps
Switch off the lights.
Open the hood.
Remove the headlamp cover ().
Left-hand headlamp: detach the washer fluid reservoir ().
Turn bulb holder 1 or 2 counterclockwise and pull it out.
W ...
