Residual Heat And Ventilation - Mercedes-Benz 2005 E -Class Wagon Operator's Manual

!
If the air conditioning cannot be turned
on again, this indicates that the air con-
ditioning is losing refrigerant. The com-
pressor has turned itself off.
Have the air conditioning checked at
the nearest authorized Mercedes-Benz
Center.

Residual heat and ventilation*

(available on climate control panel de-
sign 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
Turn the SmartKey in the starter switch
to position 0 or 1, or remove it from
the starter switch.
Press button T ( page 198).
The indicator lamp on button comes
on.
Controls in detail
Dual-zone automatic climate control
i
How long the system will provide heat-
ing depends on the coolant tempera-
ture and the temperature set by the
operator. The blower will run at speed
setting 1 regardless of the air distribu-
tion control setting.
Deactivating
Press button T ( page 198).
The indicator lamp on button goes out.
The residual heat is automatically turned
off:
when the ignition is switched on
after about 30 minutes
if the battery voltage drops
207