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:
Using the rear center seat belt
If the left-hand rear seat backrest is folded
down and back up again, the rear center seat
belt may lock. The seat belt can then not be
pulled out.
To release the rear center seat belt:pull
o ...
Safety guidelines for seat belts,
Emergency Tensioning Devices (ETDs)
and air bags
WARNING
- Damaged seat belts or seat belts that have
been subjected to stress in an accident
must be replaced. Their anchoring points
must also be checked. Only use seat belts
installed o ...
Removing/attaching the washer fluid reservoir
You must remove the washer fluid reservoir from the engine compartment before
you can replace the bulbs in the left-hand headlamp.
To detach: turn catch 2 counterclockwise.
Swing washer flui ...