Activating/deactivating airrecirculation mode
You can deactivate the flow of fresh air if unpleasant odors are entering the vehicle from outside. The air already inside the vehicle will then be recirculated.
The operation of air-recirculation mode is the same for all control panels.
WARNING
Fogged windows impair visibility,
endangering you and others. If the windows
begin to fog on the inside, switching off the
air recirculation mode immediately should
clear interior window fogging. If interior
window fogging persists, make sure the air
conditioning is activated, or press the
button.
•► Turn the SmartKey to position 2 in the ignition lock.
•► To activate: press the
button.
The indicator lamp above the
button
lights up.
In the event of high pollution levels19 or at
high outside temperatures, airrecirculation
mode is automatically
activated. When air-recirculation mode is
activated automatically, the indicator lamp
above the
button does not light up.
Outside air is added after about 30 minutes.
•► To switch off: press the
button.
The indicator lamp above the
button
goes out.
Air-recirculation mode deactivates automatically:
- after approximately five minutes if outside temperatures are less than about 41 °F (5 °C)
- after approximately five minutes if cooling with air dehumidification is deactivated
- after approximately 30 minutes if outside temperatures are over about 41 °F (5 °C)
See also:
Preparing the vehicle
WARNING
The wheel and tire size of the emergency
spare wheel/spare wheel may differ to that of
the damaged wheel. When using an
emergency spare wheel/spare wheel the
handling characteristic ...
Engine oil
Please bear the following in mind
The engine oils are matched to the
performance of Mercedes-Benz engines and
service intervals. You should therefore only
use engine oils and oil filters that a ...
Important safety notes
WARNING
Severe conditions (e.g. strong air pollution)
may require replacement of the filter before
its scheduled replacement interval. A clogged
filter will reduce the air volume to the inter ...
