2005 Mercedes SL-Class Owner's Manual - Page 118

Controls in detail Seats Multicontour backrest* (standard on SL 600, SL 55 AMG, and SL 65 AMG) The multicontour backrest has inflatable air cushions built into the seat backrest to provide additional lumbar and side support. The seat backrest cushion height and curvature can be continuously varied with switches on the lower side of the seat when the ignition is switched on. Switch on the ignition ( page 36). Shoulder region support Press æ or ç on switch 1. The air cushion inflates or deflates. Lumbar region support Press k or j on rocker switch 4. This selects the air cushion you wish to adjust. Press æ or ç on rocker switch 4. The air cushion inflates or deflates. Side bolsters adjustment Press switch 2 to the right or left. 1 Shoulder region support 2 Side bolsters adjustment 3 Massage function (PULSE) 4 Lumbar region support The lateral support increases or decreases. Massage function (PULSE) You can reduce muscle tension during long trips by periodically using the massage function. Press button 3. The indicator lamp on button 3 comes on. The air cushions in the lumbar region inflate and deflate rhythmically. i The massage function switches off automatically after approximately eight minutes. The indicator lamp goes out. 116