2005 Mercedes CL-Class Owner's Manual - Page 198

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 Turn the SmartKey in the starter switch to position 1 or 0, or remove it from the starter switch. Press button T ( page 188). The indicator lamp on button T comes on. Deactivating Press button T ( page 188). The indicator lamp on button T goes out. The residual heat is automatically turned off: when the ignition is switched on after about 30 minutes if the battery voltage drops Ventilated storage compartment Depending on vehicle model and configuration, your vehicle is equipped with a storage compartment under the front armrest ( page 234) which can be ventilated when the automatic air conditioning is switched on. If so equipped, the switch is located inside the storage compartment in the front. The air temperature is about the same as that of the center air vents. The air volume is dependent on the setting of: Air distribution control Air volume control Air vents in the dashboard The air temperature is about the same as that of the dashboard air vents. It cannot be regulated separately. 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. 196