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.
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
rocker switch
up or down.
The indicator lamp in the rocker
switch lights up.
Air-recirculation mode is activated
automatically at high outside
temperatures. The indicator lamp in the
rocker switch is not lit when
automatic air-recirculation mode is
activated.
Outside air is added after about 30
minutes.
To deactivate: press the
rocker
switch up or down.
The indicator lamp in the rocker
switch 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:
Problems with the SmartKey
Problem
Possible causes/consequences and
Solutions
You cannot lock or unlock the vehicle using the
SmartKey.
The SmartKey battery is discharged or nearly discharged.
- ...
State-of-the-art engine technology from the inventor of the diesel passenger
car
The 2.2-litre CDI engine turns the ML 250 BlueTEC 4MATIC into the most
economical SUV in its class. With NEDC fuel consumption of 6.0 l/100 km, the
model even outperforms any hybrid model currentl ...
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 are ...