Mercedes-Benz A Series Owner's Manual page 199

Operation
Care
The fabric cover can be cleaned using a deter-
gent solution or an upholstery cleaner.
i
The cover cannot be removed.
Cleaning the exhaust tail pipes
Dirt combined with the effects of road grit and
corrosive environmental factors may cause
flash rust to form on the surface.
Regular care of the exhaust tail pipes will
ensure that their original shine is restored.
!
Do not clean exhaust tail pipes with alka-
line-based cleaning agents such as wheel
cleaner.
Use the chrome-cleaning agent recommen-
ded by Mercedes-Benz for cleaning. Infor-
mation about chrome-cleaning agents can
be obtained from any Mercedes-Benz
Service Centre.
196
Cleaning Parktronic*
The sensors are located in the front and rear
bumpers.
1
Parktronic* sensors in the left-hand side
of the front bumper.
Clean sensors 1 in the bumper with water,
X
car shampoo and a soft cloth.
!
Do not use dry, coarse or hard cloths and
do not scrub. You will otherwise scratch or
damage the sensors. If you intend to use a
high-pressure cleaner or a steam cleaner to
clean the sensors, observe the instructions
issued by the equipment manufacturer
concerning the distance to be maintained
between the nozzle of the high-pressure
cleaner and the vehicle.
Trailer coupling*
The ball coupling must be cleaned if it
becomes dirty or corroded.
Remove any rust using a wire brush.
X
Remove dirt with a clean, lint-free cloth or
X
a brush.
!
Do not clean the ball coupling with a high-
pressure cleaner. Do not use solvents.
Locking balls
1
Guide pin
2
Guide faces
3
Release lever
4
Ball neck head
5
* optional