2003 Mercedes SLK-Class Owner's Manual - Page 107

Controls in detail Climate control Activating Moist air can fog up the windows. You can dehumidify the air with the air conditioning. Press ACOFF again ( page 102). The indicator lamp on the ACOFF button goes out. The air conditioning uses the refrigerant R134a. This refrigerant is free of CFCs which are harmful to the ozone layer. Residual heat 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 key in the steering lock to position 1 or remove it from the steering lock. Press button Ð ( page 102). The indicator lamp on button Ð comes on. Deactivating Press button Ð ( page 102). The indicator lamp on button Ð goes out. The residual heat is automatically turned off: when the ignition is switched on after about 30 minutes if the battery voltage drops i How long the system will provide heating depends on the coolant temperature and the temperature set by the operator. The blower will run at speed setting 1 regardless of the air distribution control setting. 107