2004 Mercedes CLK-Class Owner's Manual - Page 45

Getting started Driving Make sure the gear selector lever is set to P. Do not depress accelerator Depress the brake pedal during the starting procedure. The gear selector lever lock is released. Press KEYLESS-GO start/stop button 1 once. The engine starts automatically if the SmartKey with KEYLESS-GO is in the vehicle. For information on turning off the engine with KEYLESS-GO, see "Turning off the engine with KEYLESS-GO*" ( page 54). Starting difficulties If the engine does not start as described, carry out the following steps: If you are starting the engine with the SmartKey, turn SmartKey in starter switch to position 0 and repeat starting procedure. If you are starting the engine with KEYLESS-GO*: Close any doors that may be open to allow for better detection of the SmartKey with KEYLESS-GO*. Or: Start the engine with the SmartKey as radio signals from another source may be interfering with the SmartKey with KEYLESS-GO*. Repeat the starting procedure ( page 43). Remember that extended starting attempts can drain the battery. Get a jump start ( page 366). If the engine does not start after several starting attempts, there could be a malfunction in the engine electronics or in the fuel supply system. Notify an authorized Mercedes-Benz Center. 45