The Service and Warranty Booklet describes all the necessary maintenance work which should be done at regular intervals.
Always have the Service and Warranty Booklet with you when you bring the vehicle to an authorized Mercedes-Benz Center. The service advisor will record every service for you in the Service and Warranty Booklet.
Engine
...
Setting the rear-compartment air
vents
► To open/close: turn thumbwheel 1 up or
down.
► To set the air direction: move slider 2
for the corresponding rear-compartment
air vent to the left, right, up or down. ...
Reporting safety defects
USA only:
The following text is published as required of
manufacturers under Title 49, Code of U.S.
Federal Regulations, Part 575 pursuant to the
"National Traffic and Motor Vehicle Safety ...