Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels.
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.
...
Treadwear indicators
Narrow bars (tread wear bars) that are
distributed over the tire tread. If the tire tread
is level with the bars, the wear limit of 1/16 in
(1.6 mm) has been reached. ...
Cleaning the rear view camera
Cleaning the rear view camera
Use clear water and a soft cloth to clean
camera lens 1.
Do not clean the camera lens and
the area
around the rear view camera with a power
washer. ...