2010 Mercedes S-Class Owner's Manual - Page 67

Driving safety systems could cause an accident. Personal or fatal injury to you or others may be the result. 65 i This device has been approved by the FCC as a "Vehicular Radar System". The radar sensor is intended for use in an automotive radar system only. Removal, tampering, or altering of the device will void any warranties, and is not permitted by the FCC. Do not tamper with, alter, or use in any non-approved way. Any unauthorized modification to this device could void the user's authority to operate the equipment. BAS PLUS detects obstacles that are in your driving path for a sufficient period of time to permit the system to recognize these obstacles. If you approach the detected obstacle quickly, BAS PLUS calculates the level of brake power boost appropriate for the circumstance to supply when the driver applies the brakes. 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. X Keep constant pressure on the brake pedal until the emergency braking situation is over. During this process, the ABS prevents the wheels from locking up. The brakes will resume normal operation after Rthe brake pedal is released Rno obstacles are detected in your path Rthe system no longer senses a risk of a collision BAS PLUS is then deactivated. BAS PLUS can react to stationary obstacles such as standing or parked vehicles at road G Warning! BAS PLUS will only respond with brake assistance if it has clearly detected an object. Detection can be impeded by Rdirty or covered sensors or heavy rain from other radar sources Rsnowfall Rdisturbance Rstrong 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, animals, and 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. After a hard collision or damage to the front of the vehicle from an accident, have the adjustment and operation of the radar sensors checked by an authorized MercedesBenz Center. If BAS PLUS is not available due to a radar sensor malfunction, the braking system will continue to function normally with full brake boost and full standard BAS function. Adaptive Brake Adaptive Brake provides a high level of braking safety as well as increased braking comfort. Adaptive Brake takes driver and Z Safety and security 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 (Y page 330) or using the Radar sensors function (Y page 236) in the instrument cluster control system.