Mercedes-Benz E-Class Sedan and Wagon Owners Manual
See also:
Tread wear
The tread wear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified
U.S. Government test course. For example, a
tire graded 1 ...
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.
...
Switching on Night View Assist Plus
You can only activate Night View Assist Plus if:
• the SmartKey is in position 2 in the ignition lock.
• it is dark.
• the light switch is in the or
position.
• reverse gear has not b ...
