2008 Mercedes CL-Class Owner's Manual - Page 488

Controls in detail Driving systems Indicator and warning lamps Once a speed above 20 mph (30 km/h) has been reached and Blind Spot Assist detects no vehicle in its range, the indicator lamp 1 goes out Blind Spot Assist detects another vehicle in its range, the warning lamp 1 on the corresponding side of the vehicle turns red. 1 Yellow indicator lamp/red warning lamp Switching on: Make sure that the radar sensors ( page 302) and the Blind Spot Assist ( page 299) are switched on. With the ignition switched on, the warning lamp 1 in the exterior mirror lights up red. With the engine running, the indicator lamp 1 in the exterior mirror lights up yellow up to a speed of 20 mph (30 km/h). Warning! Collision warning If a vehicle is detected in the Blind Spot Assist range and you activate the turn signal, a two-tone warning will sound and the red warning lamp 1 will flash. Warning! G G Do not change lanes or make turns, while the red warning lamp 1 is flashing. Doing so could result in an accident and seroius injury to yourself and others. Blind Spot Assist is not active at speeds below approximately 20 mph (30 km/h). You will not be alerted to the presence of vehicles in the monitored area at these speeds. It is the driver's responsibility at all times to be attentive to road, weather and traffic conditions and to provide the steering, braking and other driving inputs necessary to retain control of the vehicle. Failure to do so could result in recognizing dangers too late, possibly resulting in an accident and serious injury to yourself and others. Remain on the lane that you are currently on until traffic conditions permit to change. If the turn signal remains on, the red warning lamp 1 will flash to indicate that vehicles have been detected. No further audible warnings will sound. 487