Mercedes-Benz GLS Owner's Manual page 383

380 Maintenance and care
% After changing the wiper blades or treating
the vehicle with wax, clean the windscreen
thoroughly with cleaning agents recommen‐
ded for Mercedes-Benz. Failure to observe
the application instructions may result in
damage, smear marks or dazzling spots.
% Remove external fogging or dirt on the wind‐
screen in front of the multifunction camera.
Otherwise, driving systems and driving
safety systems may be impaired or not avail‐
able ( page 229).
/
Wiper blades
Move the wiper arms into the replacement
R
position ( page 169).
/
With the wiper arms folded out, clean the
R
wiper blades with a damp cloth.
% Make sure that the wiper blades are coated.
The coating can leave residues on a cloth.
Do not rub the wiper blades excessively or
clean them too often.
Exterior lighting
Clean the lenses with a wet sponge and mild
R
cleaning agent, e.g. car shampoo.
Only use cleaning agents or cleaning cloths
R
that are suitable for plastic lenses.
Sensors
Clean the sensors in the front and rear
R
bumpers with a soft cloth and car shampoo
( page 229).
/
When using a high-pressure cleaner, maintain
R
a minimum distance of 30 cm.
Running boards
Use water and acid-free cleaning agents.
R
Do not clean the aluminium trim insert of the
R
running board with alkaline or acidic cleaning
agents such as wheel cleaners. Do not use
acidic alloy wheel cleaners to remove brake
dust. The aluminium trim inserts could other‐
wise be damaged.
Reversing camera and 360° Camera
Open the camera cover with the multimedia
R
system ( page 288).
/
Use clean water and a soft cloth to clean the
R
camera lens.
Do not use a high-pressure cleaner.
R
Tailpipes
Clean with a cleaning agent recommended
R
for Mercedes-Benz, especially in the winter
and after washing the vehicle.
Do not use acidic cleaning agents.
R
Trailer hitch
Observe the notes on care in the trailer hitch
R
manufacturer's operating instructions.
Do not clean the ball neck with a high-pres‐
R
sure cleaner or solvent.
Remove traces of rust on the ball, for exam‐
R
ple, with a wire brush.
Remove dirt with a lint-free cloth.
R
After cleaning, lightly oil or grease the ball
R
head.
% Before using trailers with anti-torsional cou‐
pling, observe the manufacturer's operating
instructions.