Operating The Climate Control Systems; Indicator Lamp - Mercedes-Benz B-Class Operator's Manual

Problems with the "Cooling with air dehumidification" function
Problem
The indicator lamp in
the ¿ button
flashes three times or
remains off. The
"Cooling with air
dehumidification"
function cannot be
switched on.
Setting the climate control to
automatic
The automatic function is only available in
conjunction with dual-zone automatic climate
control.
In automatic mode, the set temperature is
maintained automatically at a constant level.
The system automatically regulates the
temperature of the dispensed air, the airflow
and the air distribution.
The automatic mode functions optimally
when the "Cooling with air dehumidification"
function is activated. If necessary, cooling
with air dehumidification can be deactivated.
If you deactivate the "Cooling with air-
dehumidification" function, the air inside the
vehicle will not be cooled. The air inside the
vehicle will also not be dehumidified. The
windows can fog up more quickly. Therefore,
only deactivate the "Cooling with air-
dehumidification" function briefly.
X
Turn the SmartKey to position 2 in the
ignition lock ( Y page 135).
X
Set the desired temperature.
X
To activate: press the à button.
The indicator lamp in the à button lights
up. Automatic air distribution and airflow
are activated.

Operating the climate control systems

Possible causes/consequences and M Solutions
Cooling with air dehumidification has been deactivated due to a
malfunction.
X
Visit a qualified specialist workshop.
X
To switch to manual mode: press the
É or Ë button.
or
X
Press the K or I button.
The indicator lamp in the à button goes
out. Automatic air distribution and airflow
are deactivated.
Setting the temperature
Automatic climate control
You can set the temperature for the entire
vehicle.
X
Turn the SmartKey to position 2 in the
ignition lock ( Y page 135).
X
To increase/reduce: turn control :
clockwise or counter-clockwise
( Y page 119). Only change the temperature
setting in small increments. Start at 72 ‡
(22 †).
Dual-zone automatic climate control
Different temperatures can be set for the
driver's and front-passenger sides.
X
Turn the SmartKey to position 2 in the
ignition lock ( Y page 135).
X
To increase/reduce: turn control : or
E clockwise or counter-clockwise
( Y page 121). Only change the temperature
125