2011 Mercedes CL-Class Owner's Manual - Page 269

Driving gear when the engine is idling normally and when your right foot is firmly on the brake pedal. 267 ! CL 63 AMG: at low engine oil temperatures below 68 ‡ (+20 †), the maximum engine speed is restricted in order to protect the engine. To protect the engine and maintain smooth engine operation, avoid driving at full throttle when the engine is cold. SmartKey positions SmartKey If you cannot turn the SmartKey in the ignition lock, the vehicle battery may not be charged sufficiently. X Check the vehicle battery and charge if necessary (Y page 428). or X Jump-start the vehicle (Y page 429). i The SmartKey can be turned in the ignition lock even if it is not the correct SmartKey for the vehicle. The ignition is not switched on. The engine cannot be started. KEYLESS-GO Vehicles with KEYLESS-GO are equipped with a SmartKey with an integrated KEYLESS-GO function and a detachable Start/Stop button. The Start/Stop button must be inserted in the ignition lock and the SmartKey must be in the vehicle. Pressing the Start/Stop button several times in succession corresponds to the different key positions in the ignition lock. This is only the case if you are not depressing the brake pedal. If you depress the brake pedal and press the Start/Stop button, the engine starts immediately. The Start/Stop button can be removed from the ignition lock. Then you can insert the SmartKey in the ignition lock. g To remove the SmartKey 1 Power supply for some consumers, such as the windshield wipers 2 Ignition (power supply for all consumers) and drive position 3 To start the engine As soon as the ignition is switched on, all the indicator lamps in the instrument cluster light up. The indicator lamps of the high-beam i You do not have to remove the Start/Stop button from the ignition lock when you Z Driving and parking ! Warm up the engine quickly. Do not use the engine's full performance until it has reached operating temperature. Only shift the automatic transmission to the desired drive position when the vehicle is stationary. Where possible, avoid spinning the drive wheels when pulling away on slippery roads. You could otherwise damage the drive train. headlamps or the turn signal lamps only light up if the high-beam headlamps or the turn signal lamps are switched on. If an indicator lamp does not light up when the ignition is switched on, check it and replace it if necessary. If an indicator lamp does not go out after the engine is started or if it lights up while the vehicle is in motion, see (Y page 375). X Remove the SmartKey when the engine is switched off. The battery may otherwise discharge.