2009 Mercedes CL-Class Owner's Manual - Page 330

Controls in detail Driving and parking The SmartKey with KEYLESS-GO must be located outside the vehicle within approximately 3 ft (1 m) of a door. X Close all doors. X Driving and parking Safety notes G Warning! Make sure absolutely no objects are obstructing the pedals' range of movement. Keep the driver's footwell clear of all obstacles. If there are any floormats or carpets in the footwell, make sure the pedals still have sufficient clearance. During sudden driving or braking maneuvers the objects could get caught between the pedals. You could then no longer brake or accelerate. This could lead to accidents and injury. G Warning! With the engine not running, there is no power assistance for the brake and steering systems. In this case, it is important to keep in mind that a considerably higher degree of effort is necessary to brake and steer the vehicle. Adapt your driving accordingly. Starting the engine G Warning! Inhalation of exhaust gas is hazardous to your health. All exhaust gas contains carbon monoxide (CO), and inhaling it can cause unconsciousness and possible death. Do not run the engine in confined areas (such as a garage) which are not properly ventilated. If you think that exhaust gas fumes are entering the vehicle while driving, have the cause determined and corrected immediately. If you must drive under these conditions, drive only with at least one window fully open at all times. Touch and hold sensor surface 1 on an outside door handle until the windows and the tilt/sliding sunroof are completely closed. i Make sure you are only touching the sensor surface. X Release the sensor surface to interrupt the closing procedure. 328