Mercedes-Benz GLC : Driving and driving safety systems / Active Steering Assist

Function of Active Steering Assist

Active Steering Assist is only available up to a speed of 130 mph (210 km/h). The system helps you to stay in the center of the lane by means of moderate steering interventions. Depending on the speed driven, Active Steering Assist uses the vehicles ahead and lane markings as a reference.

Depending on the country, in the lower speed range Active Steering Assist can use the surrounding traffic as a reference. If necessary, Active Steering Assist can then also provide assistance when driving away from the center of the lane, for example, to form a rescue lane.

If the detection of lane markings and vehicles ahead is impaired, Active Steering Assist switches to passive mode. The system provides no support in this case.

Status display of Active Steering Assist in the multifunction display

  • Mercedes-Benz GLC. Active Steering Assist (gray): activated and passive
  • Mercedes-Benz GLC. Active Steering Assist (green): activated and active
  • Mercedes-Benz GLC. Active Steering Assist (red): system limits detected
  • Mercedes-Benz GLC. Active Steering Assist (white, red hands): "hands on the steering wheel" prompt

During the transition from active to passive status, the Mercedes-Benz GLC. Active Steering Assist symbol is shown as enlarged and flashing. Once the system is passive, the Mercedes-Benz GLC. Active Steering Assist symbol is shown as gray in the multifunction display.

Depending on the selected vehicle settings, Active Steering Assist may be unavailable.

Steering and touch detection

The driver is required to keep their hands on the steering wheel at all times and be able to intervene at any time to correct the course of the vehicle and keep it in lane. The driver must

Mercedes-Benz GLC. Active Steering Assist

If the system detects that the driver has not steered the vehicle for a considerable period of time or has removed their hands from the steering wheel, display Mercedes-Benz GLC. Active Steering Assist appears. If the driver still does not steer the vehicle, a warning tone sounds in addition to the visual warning message.

If the driver does not react to the warning for a considerable period, the system can initiate an emergency stop.

The warning is not issued or is stopped when the driver gives confirmation to the system:

  • The driver steers the vehicle.
  • Depending on the country: the driver presses a steering wheel button or operates Touch Control

If Active Steering Assist detects that a system limit has been reached, a visual warning is issued and a warning tone sounds.

Observe the notes on driving systems and your responsibility; you may otherwise fail to recognize dangers.

System limits

Active Steering Assist has a limited steering torque for lateral guidance. In some cases, the steering intervention is not sufficient to keep the vehicle in the lane or to drive through exits.

The system may be impaired or may not function in the following instances:

  • There is poor visibility, e.g. due to snow, rain, fog, heavy spray, greatly varying ambient light or strong shadows on the road.
  • There is glare, e.g. from oncoming traffic, direct sunlight or reflections.
  • Insufficient road illumination.
  • The windshield is dirty, fogged up, damaged or covered in the vicinity of the camera, e.g. by a sticker.
  • No, or several, unclear lane markings are present for one lane, or the markings change quickly, for example, in a construction area or at intersections.
  • The lane markings are worn away, dark or covered up, e.g. by dirt or snow.
  • If the distance to the vehicle in front is too short and thus the lane markings cannot be detected.
  • The road is narrow and winding.
  • There are obstacles on the lane or projecting out into the lane, such as object markers.

The system does not provide assistance in the following conditions:

  • On tight curves and when turning.
  • When crossing intersections.
  • At roundabouts or toll plazas.
  • When towing a trailer.
  • When the tire pressure is too low.

WARNING Risk of accident if Active Steering Assist unexpectedly stops functioning

If the system limits of Active Steering Assist are reached there is no guarantee that the system will remain active or will keep the vehicle in lane.

Mercedes-Benz GLC. Active Steering Assist Always keep your hands on the steering wheel and observe the traffic carefully.

Mercedes-Benz GLC. Active Steering Assist Always steer the vehicle paying attention to traffic conditions.

WARNING Risk of accident if Active Steering Assist unexpectedly intervenes

The detection of lane markings and objects may malfunction and cause unexpected steering interventions.

Mercedes-Benz GLC. Active Steering Assist Steer according to traffic conditions.

Activating/deactivating Active Steering Assist

Requirements:

ESP® is activated, but is not intervening.

Active Distance Assist DISTRONIC is activated.

Multimedia system:

Mercedes-Benz GLC. Active Steering Assist Mercedes-Benz GLC. Active Steering Assist Mercedes-Benz GLC. Active Steering Assist Settings Mercedes-Benz GLC. Active Steering Assist Quick Access

Mercedes-Benz GLC. Active Steering Assist SelectaSteering Assist.

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