Setting the rear-compartment airflow using the front control panel
Turn the SmartKey to position 2 in the
ignition lock.
Activate the 
rear compartment
function via COMAND.
The rear-compartment climate control can
be controlled via the front control panel
using the rear compartment
function.
To increase/reduce: press the
rocker switch up or down.
See also:
Coolant
Important safety notes
The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs
the following tasks:
corrosion protection
antifreeze protection
raising the boiling ...
System self-test
If an adult occupant is properly sitting on the
passenger seat and the OCS classifies the
occupant as an adult, the indicator
lamp illuminates and goes out again after
approximately 6 seconds ...
Cleaning the headliner and carpets
Roof lining: use soft brushes or dry
shampoo if it is particularly dirty.
Carpets: use carpet and textile cleaners
that have been approved and
recommended by Mercedes-Benz. ...