Maintenance

See also:

Off-road driving systems
4MATIC (permanent four-wheel drive) 4MATIC ensures that all four wheels are permanently driven. Together with ESP® and 4ETS, it improves the traction of your vehicle whenever a drive wheel spins d ...

Engine
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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 to the right or left. ...