Mercedes-Benz SLK-Class 2006 Owners Manual - Manual (Page 203)

202
Controls in detail
Automatic climate control*
Residual heat and ventilation
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 the ignition ( ୴ page 36).
̈ Press button T ( ୴ page 192).
The indicator lamp on the button
comes on. The display in the automatic
climate control panel remains switched
off.
Deactivating
̈ Press button T ( ୴ page 192) again.
The indicator lamp on the button goes
out.
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 volume control
setting.
i
The residual heat is automatically
turned off:
ț when the ignition is switched on
(
୴ page 36)
ț after about 30 minutes
ț if the battery voltage drops