Setting the side air vents

•► To open/close: turn thumbwheel 3 up or down.
Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut.
See also:
Driving, Part One
This might be the time when you'll wonder if you are getting your money's
worth, especially if you're a performance junkie. The CL550 we tested is the
base model of the CL range. All other version ...
Notes on technical data
The data stated here specifically refers to
a vehicle with standard equipment. Consult
an authorized Mercedes-Benz Center for
the data for all vehicle variants and trim
levels. ...
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 differences ...
