Headlamps fogged up on the inside
The headlamps may fog up on the inside if there is high atmospheric humidity.
Drive with the headlamps
switched on.
The level of moisture diminishes,
depending on the length of the journey and
the weather conditions (humidity and
temperature).
If the level of moisture does not diminish:
Have the headlamps checked at a
qualified
specialist workshop.
See also:
General notes
DISTRONIC PLUS regulates the speed and
automatically helps you maintain the
distance to the vehicle detected in front. It
brakes automatically in order to avoid
exceeding the set speed.
On lo ...
Problems with the engine
Problem
The engine does not start. The starter motor can be heard.
Possible causes/consequences and Solutions
There is a malfunction in the engine electronics.
There is a malfunction in the fu ...
Transfer case
This section is only valid for vehicles with 4-
wheel drive (4MATIC). Power is always
transmitted to both axles.
Performance tests may only be carried
out on a 2-axle dynamometer. The brake
...