2011 Mercedes SL-Class Owner's Manual - Page 102

100 Driving and parking switch to position 0 and repeat the starting procedure. X If you are starting the engine with KEYLESSGO: Close any doors that may be open to allow for better detection of the SmartKey. or X Start the engine with the SmartKey as radio signals from another source may be interfering with the KEYLESS-GO function. X Repeat the starting procedure. If the engine does not start after several starting attempts: X Controls in detail ! Do not run a cold engine at high engine speeds. Running a cold engine at high engine speeds may shorten the service life of the engine. This is not covered by the Mercedes-Benz Limited Warranty. SL 63 AMG: At engine temperatures below 68‡ (20†), the engine's maximum speed is restricted in order to protect it from damage. Avoid driving your vehicle at full speed when the engine is cold to prevent premature engine wear and/or diminished comfort. ! If an acoustic warning sounds and the message Release Parking Brake appears in the multifunction display when driving off, you have forgotten to release the parking brake. Release the parking brake. ! Avoid spinning of a drive wheel. This may cause serious damage to the drivetrain which is not covered by the Mercedes-Benz Limited Warranty. ! Simultaneously depressing the accelerator pedal and applying the brakes reduces engine performance and causes premature brake and drivetrain wear which is not covered by the Mercedes-Benz Limited Warranty. i Once the vehicle is in motion, the automatic central locking function engages and the locking knobs in the doors move down. The automatic central locking function can be switched off (Y page 126). Automatic transmission It is dangerous to shift the automatic transmission out of park position P or neutral position N if the engine speed is higher than idle speed. If your foot is not firmly on the brake pedal, the vehicle could accelerate Contact an authorized Mercedes-Benz Center or call Roadside Assistance. The engine does not start. You cannot hear the starter. The battery may not be charged sufficiently. X Get a jump start (Y page 285). If the engine will not start despite a jump start: X Contact an authorized Mercedes-Benz Center or call Roadside Assistance. The starter has been exposed to excessive temperatures. X Let the starter cool for about 2 minutes. X Repeat the starting procedure. If the engine does not start after several starting attempts: X Contact an authorized Mercedes-Benz Center or call Roadside Assistance. Driving off G Warning! On slippery road surfaces, never downshift in order to obtain braking action. This could result in drive wheel slip and reduced vehicle control. Your vehicle's ABS will not prevent this type of loss of control. G Warning!