2008 Mercedes S-Class Owner's Manual - Page 433

Controls in detail Driving systems i If DISTRONIC Plus is switched off, Driving If no vehicle is driving ahead of you, DISTRONIC Plus functions like the cruise control ( page 419). When DISTRONIC Plus detects that the vehicle in front of you is driving more slowly, it brakes the vehicle in order to keep the distance specified by you. When DISTRONIC Plus detects that the vehicle in front of you is driving faster, the vehicle accelerates up to the set speed. Warning! Stopping Warning! PRE-SAFE® Brake* ( page 76) will warn of an impending collision if this function has been activated with the instrument cluster control system ( page 279). G Starting off When the vehicle in front of you starts off: Remove your foot from the brake pedal. Pull DISTRONIC Plus lever briefly in direction of arrow 4. or Briefly step on the accelerator pedal. Your vehicle starts off and adapts its speed to the vehicle in front of you. DISTRONIC Plus's braking effect is canceled and the vehicle can start to roll if DISTRONIC Plus is switched off using the DISTRONIC Plus lever you accelerate the system or the power supply is malfunctioning, e.g. due to battery failure the electrical components in the engine compartment or the fuses have been manipulated the battery is disconnected G When you step on the brake pedal, you switch off DISTRONIC Plus except when the vehicle is at a standstill. DISTRONIC Plus will no longer brake your vehicle. You are always responsible for maintaining a distance from other vehicles, observing road speeds and braking well in advance. 432