2009 Mercedes CLK-Class Owner's Manual - Page 110

Controls in detail Driving and parking X Turn the SmartKey in the starter switch to position 3 (Y page 82) and release it. The engine starts automatically. If the SmartKey is left in starter switch position 0 for an extended period of time, it can no longer be turned in the starter switch. In this case, the steering is locked. X 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 on the gear selector lever. The SmartKey must be located in the vehicle. To unlock, remove the SmartKey from the starter switch and reinsert. KEYLESS-GO start/stop button 1 USA only 2 Canada only X The engine does not start. You can hear the starter. There could be a malfunction in the engine electronics or in the fuel supply system. Carry out the following steps: X Depress the brake pedal during the starting procedure. X Do not depress the accelerator pedal. X Press the KEYLESS-GO start/stop button once. The engine starts automatically. Starting difficulties ! Remember that extended starting attempts can drain the battery. If you are starting the engine with the SmartKey: Turn the SmartKey in the starter 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. 108