The C-Class Coupé: Pure fun at the wheel with the perfect coupé proportions
Stuttgart
May 17, 2011
Active safety: Warning and intervening
Preventing accidents and minimising the consequences thereof: this is the holistic approach taken by those working in Mercedes-Benz safety research, which the company terms "Real Life Safety". Alongside ride and seating comfort, plus quiet-running characteristics, the basis of this is formed by what the in-house engineers know as "driver-fitness safety", such as effective headlamp and windscreen wiper systems and simple and safe operation. Safe handling that has no nasty surprises in store comes courtesy of advanced chassis systems, which for years now have also been fitted as standard with ESP®, developed by Mercedes-Benz. In addition to this there are the PRE-SAFE® systems which can warn, support and protect the driver when a concrete risk of accident has been detected.
An important anticipatory role is increasingly being played by a large number of assistance systems which can ease the burden on the driver – especially in critical situations. This is where Mercedes-Benz uses its unique position in the segment of luxury vehicles as a spearhead of technological development. New technologies are then integrated into the high-volume model series as quickly as possible. The best example of this process of democratisation is the C-Class Coupé. It offers no less than ten new assistance systems, some of which only entered series production in the luxury class in the past year.
Warning and intervening: the new driving assistance systems
With a total of ten new driving assistance systems ranging from ATTENTION ASSIST to DISTRONIC PLUS adaptive cruise control, the C-Class Coupé attains a high level of safety. The assistance systems are based on the latest radar, camera and sensor technology, and cover frequent accident causes such as driving too closely, fatigue and darkness.
The new assistance systems – which can provide support and give a warning in hazardous situations, and in some cases actively intervene – at a glance:
  • Adaptive Highbeam Assist
  • Active Lane Keeping Assist
  • Active Blind Spot Assist
  • ATTENTION ASSIST
  • DISTRONIC PLUS
  • Speed Limit Assist
  • PARKTRONIC including Parking Guidance
  • PRE-SAFE® Brake including BAS PLUS
  • Lane Keeping Assist
  • Blind Spot Assist
Electronic helpers: the new assistance systems
Adaptive Highbeam Assist. When vehicles are detected ahead of or approaching the vehicle, this system automatically dips the beams and adjusts the range of the headlamps appropriate to the distance. This means that main beam can be used more frequently.
Active Lane Keeping Assist. The system kicks into action if it detects that the Mercedes-Benz vehicle is inadvertently drifting over a solid or broken line to the right or left of a lane. In such a case, a warning sign in the instrument cluster and vibration of the steering wheel give the driver warning. If the driver does not heed the warning in the case of the solid line, Active Lane Keeping Assist can use ESP® to brake the opposite wheels and thereby prevent the vehicle from crossing the solid line. Lane Keeping Assist, which can warn but does not actively intervene, is available as a favourably priced alternative.
Active Blind Spot Assist. A red triangle on the exterior mirror warns the driver when changing lanes if a risk of collision is detected due to another vehicle in the neighbouring lane being in the so-called blind spot of the exterior mirror. If the driver ignores the warning and nevertheless initiates the lane-changing manoeuvre, Active Blind Spot Assist intervenes. By applying braking force to the wheels on the opposite side of the vehicle, a yaw movement is created which counteracts the collision course. Blind Spot Assist, which warns but does not actively intervene, is available as a favourably priced alternative.
ATTENTION ASSISTwarns drivers when it detects typical signs that they are over-tired. Studies have shown that around a quarter of all serious motorway accidents are caused by drowsy drivers, making this factor an even bigger cause of accidents than drink-driving. With ATTENTION ASSIST, Mercedes-Benz is therefore making another important contribution towards helping to avoid accidents: the system employs high-resolution sensors to observe driver behaviour and can recognise whether the driver is tired or not paying attention, based primarily on steering wheel movements.
Brake Assist PLUS: this system is able to recognise an impending rear-end collision using radar sensors. It calculates the necessary degree of braking assistance and makes it available immediately when the driver presses the brake pedal.
DISTRONIC PLUS: radar-based adaptive cruise control supports the driver at speeds between zero and 200 km/h by automatically adjusting the distance to the vehicles in front. In doing so it is able to apply the brakes to bring the vehicle to a complete standstill and also accelerate it again. As a result, the system is also particularly convenient in stop-and-go traffic. If the system detects that the distance is being reduced too quickly, it warns the driver with both visual and audible signals.
Speed Limit Assist: a camera fitted behind the windscreen detects speed limit signs at the roadside and compares this data to information contained in the GPS system. The relevant speed limit is then displayed in the instrument cluster.
PARKTRONIC including Parking Guidance: ultrasonic sensors measure the length of parking spaces as the car drives past; the cockpit display provides a schematic representation of the recommended parking manoeuvre. Ultrasonic sensors then support the driver whilst parking and provide a warning when the system registers that the vehicle is getting too close to another.
Your Media Contact
Norbert
Giesen
Head of Mercedes-Benz Cars Series, Sports Communications
Phone: +49 711 17-76422
Fax: +49 711 17-98651
Steffen
Schierholz
Model Series C-, E,- CLS-Class
Phone: +49 711 17-75852
Fax: +49 711 17790-44945
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