Differential lock
See also:
Activating/deactivating PRE-SAFE® Brake
PRE-SAFE® Brake is only available in vehicles
with DISTRONIC PLUS.
Press the
or
button on the
steering wheel to select the DriveAssist
menu.
Press
or
to select PRE-SAFE
Brake.
Pr ...
Refrigerant of the air-conditioningsystem
The air-conditioning system is filled with
R134a refrigerant and a special PAG
lubricant.
Never use refrigerant R 12 (CFC) or
mineral lubricants. Otherwise, you could
damage the air-condition ...
Cleaning the trailer tow hitch
The ball coupling must be cleaned if it
becomes dirty or corroded.
– Remove rust on the ball of the ball coupling,
e.g. with a wire brush.
– Remove dirt with a clean, lint-free cloth or
a brus ...
