2011 Mercedes SL-Class Owner's Manual - Page 85

Seats X 83 Seat heating The seat heating will switch back on again automatically as soon as sufficient voltage is available. Vehicles without seat ventilation Vehicles with seat ventilation : Rapid heating ; Normal heating The red indicator lamps in the switch come on to show which heating level you have selected. The seat heating switches from level 2 (rapid seat heating) to level 1 (normal seat heating) after approximately 5 minutes. The seat heating automatically switches off after approximately 30 minutes. The red indicator lamps in the switch come on to show which heating level you have selected. The seat heating switches from level 2 (rapid seat heating) to level 1 (normal seat heating) after approximately 8 minutes. The seat heating automatically switches off after approximately 30 minutes. Z Controls in detail Press seat ventilation switch : repeatedly until the desired ventilation level is set. X Switching off: Press seat ventilation switch : repeatedly until all indicator lamps go out. If one or more of the indicator lamps in the seat ventilation switch : are flashing, there is insufficient voltage available since too many electrical consumers are turned on. The seat ventilation switches off automatically. The seat ventilation will switch back on again automatically as soon as sufficient voltage is available. X X Switch on the ignition. Switching on seat heating: Press lower switch position ;. A red indicator lamp in the switch comes on. X Switching off seat heating: Press lower switch position ; once more. X Switching on rapid seat heating: Press upper switch position :. Both red indicator lamps in the switch come on. X Switching off rapid seat heating: Press upper switch position : once more. If one or both of the indicator lamps in the seat heating switch are flashing, there is insufficient voltage available since too many electrical consumers are turned on. The seat heating switches off automatically. The seat heating will switch back on again automatically as soon as sufficient voltage is available.