2008 Mercedes CL-Class Owner's Manual - Page 408

Controls in detail Driving and parking Starting with the SmartKey Make sure the automatic transmission is set to park position P. The gear position indicator in the multifunction display should be on park position P. Do not depress accelerator. Turn the SmartKey in the starter switch to position 3 and hold until the engine starts ( page 365). Starting with KEYLESS-GO* Warning! G As long as the SmartKey with KEYLESS-GO 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 KEYLESS-GO 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. KEYLESS-GO start/stop button i You can also use the "touch-start" function. Turn the SmartKey to position 3 and release it again immediately. The engine then starts automatically. 1 USA only 2 Canada only Make sure KEYLESS-GO start/stop button is inserted in the starter switch ( page 366). Make sure the automatic transmission is set to park position P. The gear position indicator in the multifunction display should be on park position P. Depress the brake pedal during the starting procedure. i You can also start the engine with the automatic transmission set to neutral position N. For information on turning off the engine with the SmartKey, see "Turning off the engine" ( page 415). You can start your vehicle without the SmartKey in the starter switch using the KEYLESS-GO start/stop button on the starter switch. The SmartKey with KEYLESS-GO must be located in the vehicle. 407