2009 Mercedes CL-Class Owner's Manual - Page 331

Controls in detail Driving and parking Automatic transmission With SmartKey X X Do not depress the accelerator pedal. Turn the SmartKey in the starter switch to position 3 (Y page 301) and release it. The engine starts automatically. With KEYLESS-GO G Warning! As long as the SmartKey is in your vehicle, the vehicle can be started. Therefore, never leave children unattended in the vehicle, as they could otherwise accidentally start the engine. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle, or with access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. You can start your vehicle without the SmartKey in the starter switch using the KEYLESS-GO start/stop button in the starter switch. The SmartKey must be located in the vehicle. Gearshift pattern for automatic transmission 1 Button for selecting park position P Á Park position  Reverse gear À Neutral position ¿ Drive position KEYLESS-GO start/stop button 1 USA only 2 Canada only X Make sure the KEYLESS-GO start/stop button is inserted in the starter switch. For more information on how to operate the gear selector lever, see "Automatic transmission" (Y page 335). X Make sure the automatic transmission is in park position P. The transmission position indicator in the multifunction display should be on P (Y page 338). i If you wish to start the engine with the SmartKey instead of the KEYLESS-GO function, remove the KEYLESS-GO start/ stop button from the starter switch and proceed as described in "With SmartKey" (Y page 329). X Depress the brake pedal during the starting procedure. X Do not depress the accelerator pedal. Z 329