Setting the airflow
X Turn the SmartKey to position
2 in the ignition lock.
► To increase: press the button.
► To reduce: press the button.
The airflow from the rear-compartment
vents and the c ...
DEF (BlueTEC vehicles only)
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF.
When the supply of DEF is almost used up,
the Check Additive See Op ...
Off-road driving systems
4MATIC (permanent four-wheel drive)
If you fail to adapt your driving style, 4MATIC
can neither reduce the risk of accident nor
override the laws of physics. 4MATIC cannot
take account of road, we ...