Purity
Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system.
If DEF is pumped out of the DEF tank, e.g.
during repair work, it must not be returned to the tank. The purity of the fluid can no longer be guaranteed.
Impurities in DEF (e.g. due to other
service products, cleaning agents or dust)
lead to:
- increased emission values
- damage to the catalytic converter
- engine damage
- malfunctions in the BlueTEC exhaust gas aftertreatment system
See also:
Installing the ball coupling
WARNING
If the vehicle/trailer combination is not
secured, the trailer may come loose. As a
result, you could cause an accident.
Therefore, make sure that the ball coupling is
secured with th ...
Important safety notes
While the vehicle is in motion, the tire
pressure loss warning system monitors the
set tire pressure using the rotational speed of
the wheels. This enables the system to detect
significant pre ...
Switching the automatic locking
feature on/off
You can use this function to activate or
deactivate the automatic central locking
feature. If the automatic locking feature is
activated, your vehicle will lock centrally from
a speed of appro ...