2008 Mercedes CL-Class Owner's Manual - Page 359

Controls in detail Locking and unlocking Important notes on using KEYLESS-GO You can also use the SmartKey with KEYLESS-GO like a normal SmartKey ( page 352). The starter switch is located under the KEYLESS-GO button. Pull the KEYLESS-GO button out in order to access the starter switch. You can combine KEYLESS-GO functions with normal SmartKey functions (e.g. unlocking with KEYLESS-GO and locking with button ‹). Always carry the SmartKey with KEYLESS-GO with you. Never store the SmartKey with KEYLESS-GO together with: Electronic items such as a mobile phone or another SmartKey with KEYLESS-GO Metallic objects such as coins or metal foil Doing so could impair the function of the KEYLESS-GO system. To lock or unlock the vehicle, the SmartKey with KEYLESS-GO must be located outside the vehicle within approximately 3 ft (1 m) of a door or the trunk lid. If the vehicle has been parked for more than 72 hours, you must pull an outside door handle in order to activate the KEYLESS-GO function. In order to start the engine with the SmartKey with KEYLESS-GO: The SmartKey with KEYLESS-GO must be located in the vehicle. The KEYLESS-GO start/stop button must be inserted in the starter switch ( page 366). The brake pedal must be firmly depressed. Do not depress the accelerator. If the SmartKey with KEYLESS-GO is positioned farther away from the vehicle, the system may no longer recognize the SmartKey with KEYLESS-GO. The vehicle then cannot be locked or the engine started via the KEYLESS-GO system. If the SmartKey with KEYLESS-GO is removed from the vehicle (e.g. if passenger exits the vehicle with the SmartKey with KEYLESS-GO) when pressing the KEYLESS-GO start/stop button or trying to lock the vehicle with the outside door handle the message "Key Not Detected" appears in the multifunction display with the engine running, the message "Key Not Detected" appears in the multifunction display while driving off 358