2004 Mercedes SL-Class Owner's Manual - Page 50
2004 Mercedes SL-Class Manual
Page 50 highlights
Getting started Driving ! If anything blocks the windshield wiper (leaves, snow, etc.), switch them off immediately. For safety reasons, turn off the engine by turning the SmartKey to position 0 and withdraw the SmartKey from the starter switch or turn off the engine by pressing the KEYLESS-GO* start/stop button and open the driver's door (with the driver's door open, the starter switch is in position 0, same as with the SmartKey removed from the starter switch) before attempting to remove any blockage. Remove blockage. Turn the windshield wipers on again. If windshield wipers fail to function at all in switch position I, set the combination switch to the next highest wiper speed have the windshield wipers checked at the nearest authorized Mercedes-Benz Center Problems while driving The engine runs erratically and misfires An ignition cable may be damaged. The engine electronics may not be operating properly. Unburned gasoline may have entered the catalytic converter and damaged it. Give very little gas. Have the problem repaired by an authorized Mercedes-Benz Center as soon as possible. 49