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 center vents is the same.
See also:
Brake fluid
WARNING
Over a period of time, the brake fluid absorbs
moisture from the air; this lowers its boiling
point.
If the boiling point of the brake fluid is too low,
vapor pockets may form in the br ...
Information on 4MATIC vehicles
Vehicles with 4MATIC must not be towed
with either the front or the rear axle raised,
as doing so will damage the transmission.
If the vehicle has transmission damage or
damage to the front or rea ...
Convenience opening
General notes
You can ventilate the vehicle before you start
driving. To do this, the SmartKey is used to
carry out the following functions
simultaneously:
• unlock the vehicle
• open the side w ...