2009 Mercedes SL-Class Owner's Manual - Page 116

Controls in detail Driving and parking Turning off the engine G Warning! Do not turn off the engine before the vehicle has come to a complete stop. With the engine not running, there is no power assistance for the brake and steering systems. In this case, it is important to keep in mind that a considerably higher degree of effort is necessary to brake and steer the vehicle. 1 Release handle 2 Parking brake pedal X X X The SmartKey can only be removed from the starter switch with the automatic transmission in park position P. Turning off with KEYLESS-GO X Shift the automatic transmission into park position P. Engage the parking brake. Press the KEYLESS-GO start/stop button. With the driver's door closed, the starter switch is now in position 1. With the driver's door opened, the starter switch is set to position 0, same as the SmartKey removed from the starter switch (Y page 87). Releasing: Pull on release handle 1. When the ignition is switched on or the engine is running, the brake warning lamp ; (USA only) or 3 (Canada only) in the instrument cluster goes out. Engaging: Step firmly on parking brake pedal 2. When the engine is running, the brake warning lamp ; (USA only) or 3 (Canada only) in the instrument cluster comes on. X i Always engage the parking brake in addition to shifting the automatic transmission into park position P. When parked on an incline, also turn the front wheels towards the road curb. Turning off with SmartKey X X If you hear a warning signal, you have tried to turn off the engine with the KEYLESS-GO start/stop button while the automatic transmission was not in park position P. Read and observe messages that may appear in the multifunction display (Y page 265). Turn the SmartKey in the starter switch to position 0. Remove the SmartKey from the starter switch. The immobilizer is activated. 114