2010 Mercedes S-Class Owner's Manual - Page 73

Anti-theft systems To maintain the proper distance to the vehicle in front of you and thus prevent a rear-end collision, you must apply the brakes yourself. X 71 Brake the vehicle immediately to avoid a collision. Under no circumstances should the driver await the intermittent warning sound before braking. Observe the following warning note. The intermittent warning sound ceases and the distance warning lamp · goes out when the necessary distance to the vehicle ahead is again established. The PRE-SAFE® Brake can react to stationary obstacles such as standing or parked vehicles at road speeds of up to approximately 40 mph (70 km/h). i The PRE-SAFE® Brake will remain passive while DISTRONIC PLUS is switched on (Y page 330). After a hard collision or damage to the front of the vehicle from an accident, have the settings and operation of the radar sensors checked by an authorized Mercedes-Benz Center. When traveling in Canada in a vehicle not registered in Canada, you must switch off the radar sensor system (Y page 236). Canadian law does not permit the use of the radar sensor system for vehicles from outside of Canada. When you switch off the radar system, the following functions are deactivated: RPRE-SAFE® RBAS G Warning! Brake PLUS (Y page 330) If you do not receive visual or acoustic warning signals, the PRE-SAFE® Brake may Rnot PLUS (Y page 64) Spot Assist (Y page 359) RDISTRONIC RBlind X have recognized the collision risk been deactivated Rhave Rbe malfunctioning Apply the brakes yourself to avoid a collision. The PRE-SAFE® Brake does not always clearly interpret complex traffic situations. If a visual and/or acoustic warning is issued in an uncritical driving situation, or if the vehicle brakes lightly, you can interrupt the PRESAFE® Brake maneuver by pressing down all the way on the accelerator pedal, using kickdown, or releasing the brake pedal. The PRE-SAFE® Brake maneuver is terminated immediately when Ryou Ryou Ran Activating and deactivating: Activate or deactivate the PRE-SAFE® Brake using the instrument cluster control system (Y page 232). After the function has been activated, the PRE-SAFE® Brake indicator Ä appears in the instrument cluster. When the HOLD function is switched on, the PRE-SAFE® Brake indicator Ä will not appear. Anti-theft systems Immobilizer The immobilizer prevents unauthorized persons from starting your vehicle. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be started by anyone with a valid SmartKey that is left inside the vehicle. avoid the obstacle by evasive steering drive less than 9 mph (15 km/h) obstacle can no longer be identified ahead of you system no longer senses the risk of a collision Rthe Z Safety and security