Mercedes-Benz C-CLASS WAGON C 240 - Manual (Page 199)

197
Controls in detail
Automatic climate control*
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer. Residual heat and ventilation
(available on automatic climate control
panel design A only)
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes. This feature makes
use of the residual heat produced by the
engine.
Activating
̈ Switch off ignition ( ୴ page 57).
̈ Press button ° ( ୴ page 187).
The indicator lamp on the button
comes on.
Deactivating
̈ Press button ° ( ୴ page 187).
The indicator lamp on the button goes
out.
The residual heat is automatically turned
off:
ț when the ignition is switched on
ț after about 30 minutes
ț if the battery voltage drops
!
If the air conditioning cannot be turned
on again, this indicates that the air
conditioning is losing refrigerant. The
compressor has turned itself off.
Have the air conditioning checked at
the nearest authorized Mercedes-Benz
Center.
i
How long the system will provide
heating depends on
ț the coolant temperature
ț the temperature set by the operator
The blower will run at speed setting 1
regardless of the air distribution
control setting.