Mercedes-Benz M-Class 2012 Owners Manual - Manual (Page 324)

Cleaning the exterior lighting
X Clean the plastic lenses of the exterior
lights with a wet sponge and a mild cleaning
agent, e.g. Mercedes-Benz car shampoo or
cleaning cloths.
! Only use cleaning agents or cleaning
cloths which are suitable for plastic light
lenses. Unsuitable cleaning agents or
cleaning cloths could scratch or damage
the plastic light lenses.
Cleaning the sensors
X Clean sensors : of the driving systems
with water, car shampoo and a soft cloth.
! When cleaning the sensors with a power
washer, maintain a distance between the
vehicle and the nozzle of the power washer
of at least 11.8 in (30 cm). Information
about the correct distance is available from
the equipment manufacturer.
Cleaning the rear view camera
X Use clear water and a soft cloth to clean
camera lens :.
! Do not clean the camera lens and the area
around the rear view camera with a power
washer.
Cleaning the trailer tow hitch
The ball coupling must be cleaned if it
becomes dirty or corroded.
X Remove rust on the ball of the ball coupling,
e.g. with a wire brush.
X
Remove dirt with a clean, lint-free cloth or
a brush.
X After cleaning, lightly grease the ball of the
ball coupling again.
X Check that the vehicle's trailer tow hitch is
working properly.
! Observe the note on care provided by the
trailer manufacturer.
i You can also have the maintenance work
on the ball coupling and the trailer tow hitch
carried out by a qualified specialist
workshop.
H Environmental note
Dispose of rags soaked in oil and grease in an
environmentally responsible manner.
322
Care
Maint
enance
and
care