The S-Class uses a total of six radar sensors, plus one long-range and one short-range infrared sensor. New improved versions of the short-range and long-range radars combine with a new multi-mode radar to detect relevant obstacles such as vehicles or people in defined areas in front of, next to and, now, behind the vehicle, too.
Distronic Plus
This radar-based function has now been enhanced by the addition of Steering Assist, which helps drivers to stay centred in their lane by generating the appropriate steering torque when travelling on a straight road and even in gentle bends
Cross-Traffic AssistCan also come to the driver's aid when there is a risk of a collision with cross traffic at junctions. If this anticipatory system detects a hazardous situation of this type, it prompts the driver to start emergency braking by activating visual and acoustic warnings.
City Brake functionThanks to the combination of stereo camera and radar sensors, it is now possible to detect pedestrians in front of the vehicle.
Pre-Safe Plusoffers an extension of the familiar occupant protection measures in situations where traffic behind poses a danger. A radar sensor in the rear bumper monitors the traffic behind the vehicle. If the risk of an impact from the rear is detected, the rear hazard warning lights are activated to alert the driver of the vehicle behind (not on vehicles with USA/Canada coding).
Safety innovationsEquipment
Suspension
Mercedes' Active Body Control hydraulic active suspension has been updated with a system dubbed Magic Body Control (MBC) that is fitted with a road-sensing system ("Road surface scan") that pre-scans the road for uneven surfaces, potholes and bumps. Using a stereo camera, the system scans the road surface up to 15 meters ahead of the vehicle at speeds up to 130 km/h (81 mph), and it adjusts the shock damping at each wheel to account for imperfections in the road. Magic Body Control is not available on any of the 4-Matic models, as of Model Year 2017.
Technology
The W222 is the first S-Class using very-high-speed FlexRay optical fiber data bus technology, which interconnects (data fusion) all electrical/electronic systems, particularly the COMAND Online control interface (with Intel Atom processor), MBC road scanning active suspension and the multitude of new driver assistance systems, since all these require very high data bit rates.
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