2008 Mercedes CL-Class Owner's Manual - Page 70

Safety and Security Driving safety systems When you step quickly on the brake pedal in an emergency braking situation, BAS Plus automatically regulates the brake power boost to a level that is suitable for the traffic situation. If BAS Plus requires a particularly high brake power boost, PRE-SAFE® is activated at the same time. Keep constant pressure on the brake pedal until the emergency braking situation is over. During this process, ABS prevents the wheels from locking up. The brakes will resume normal operation after the brake pedal is released no obstacles are detected in your path the system no longer senses a risk of a collision BAS Plus is deactivated. BAS Plus can react to stationary obstacles such as standing or parked vehicles at road speeds of up to approximately 40 mph (70 km/h). BAS Plus can only assist you when the radar sensors are switched on and functional. You can check whether the sensors are active by switching on DISTRONIC Plus* ( page 443) or using the "Radar Sensors" menu ( page 302) in the instrument cluster control system. Warning! G BAS Plus will only respond with brake assistance if it has clearly detected an object. Detection can be impeded by dirty or covered sensors snowfall or heavy rain disturbance from other radar sources strong radar reflection such as in parking garages BAS Plus uses radar signals that are not reflected well by narrow objects and absorptive materials. For this reason BAS Plus will not react to persons and animals approaching traffic or cross-traffic BAS Plus may not detect narrow vehicles driving in front of you, such as motorcycles and vehicles driving offset from your vehicle center. 69