Setting the center air vents

1. Center air vent, left
2. Center air vent, right
3. Center vent thumbwheel, right
4. Center vent thumbwheel, left
•► To open/close: turn thumbwheels 3 and 4 up or down.
See also:
Fuel requirements
Gasoline engines
Use only premium-grade unleaded gasoline.
The octane number should be at least 91.
Details can be found on the gas pump. The
octane number is the average value of the
Resea ...
Important safety notes
A license agreement must exist in order to activate the mbrace service. Ensure
that your system is activated and ready for use, and press the
MB Info call button to register. If
any of the st ...
Useful information
This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differe ...
