2011 Mercedes E-Class Owner's Manual - Page 70

68 Driving safety systems G Warning Adaptive Brake ADAPTIVE BRAKE enhances braking safety and offers increased braking comfort. In addition to the braking function, ADAPTIVE BRAKE also has the HOLD function (Y page 184) and hill start assist (Y page 154). For further information, see Driving tips (Y page 168). When the å ESP OFF warning lamp lights up, ESP is switched off. When the ä ESP warning lamp and the å ESP OFF warning lamp are on continuously, ESP is not operational due to a malfunction. When ESP is switched off or not operational, the vehicle's stability during standard driving maneuvers is reduced. Adapt your driving style to suit the prevailing road conditions/weather conditions and to the non-operating status of ESP. Safety PRE-SAFE® Brake (vehicles with DISTRONIC PLUS) PRE-SAFE® Brake can help you to minimize the risk of a frontal collision with a vehicle ahead or reduce the effects of such a collision. This function warns you from a speed of approximately 20 mph (30 km/h) when you are rapidly approaching a vehicle in front. An intermittent warning tone sounds and the · distance warning lamp lights up in the instrument cluster. Due to the nature of the system, particularly complicated driving conditions may cause the system to display an unnecessary warning. At speeds of above approximately 20 mph (30 km/h), if the driver and passengers have fastened their seat belts, the PRE-SAFE® Brake can: Rbrake ! Avoid spinning a drive wheel for an extended period with ESP® switched off. This could cause serious damage to the drive train. X To activate: (Y page 207). The å warning lamp in the instrument cluster goes out. EBD G Warning Observe "Important safety notes" (Y page 64). EBD monitors and controls the brake pressure on the rear wheels to improve driving stability while braking. G Warning! If the EBD malfunctions, the brake system will still function with full brake boost. However, the rear wheels could lock up during emergency braking situations, for example. You could lose control of the vehicle and cause an accident. Adapt your driving style to the changed driving characteristics. the vehicle automatically at speeds ranging up to approximately 124 mph (200 km/h) Rtrigger preventative occupant protection measures (PRE-SAFE®) (Y page 51) G Warning! An intermittent warning sounds and the distance warning lamp · in the instrument cluster is illuminated if the PRE-SAFE® Brake calculates that the distance to the vehicle ahead and your vehicle's current speed indicate that the PRE-SAFE® Brake will not be capable of slowing the vehicle sufficiently to maintain the preset following distance, which creates a danger of a collision.