Mercedes-Benz GL-Class: 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.
Active light function
The active light function is a system that
moves the headlamps according to the
steering movements of the front wheels. In
this way, relevant areas remain illuminated
while driving. This allows ...
See also:
Checking the coolant level
Only check the coolant level when the vehicle
is on a level surface and the engine has cooled
down.
► Turn the SmartKey to position
2 in the ignition lock.
On vehicles with KEYLESS-GO, ...
Cleaning the exhaust tail pipes
Impurities combined with the effects of road
grit and corrosive environmental factors may
cause flash rust to form on the surface. You
can restore the original shine of the exhaust
tail pipe by cl ...
DEF
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF. Adding DEF is one of the
tasks performed during maintenance. Under
no ...
