Indicator lights and warning lights
General information
The meaning of the indicator lights and the warning lights is explained here.
Red lights
Seat belt reminder
Seat belt on the driver's seat is not buckled.
Additional information:
Seat belt reminder.
Airbag system
Warning light illuminates briefly: Indicates that the entire airbag system and seat belt tensioners are operational when drive-ready state is switched on.
Warning light does not illuminate or illuminates continuously: the airbag system or the seat belt tensioners may be not be operational. Have the vehicle checked immediately by an authorized service center or another qualified service center or repair shop.
Additional information:
Airbags.
Parking brake
The parking brake is set.
Additional information:
Parking brake.
Brake system
The brake pads are worn or there is another issue with the brake system.
The braking assistance may not function. A higher pedal force may be required for braking.
Have the vehicle checked immediately by an authorized service center or another qualified service center or repair shop.
Emergency Stop Assistant
The Emergency Stop Assistant is triggered.
Additional information:
Emergency Stop Assistant.
Pedestrian Warning
Warning light illuminates: risk of collision with a person, e.g., a pedestrian or a cyclist. Increased awareness is required.
Warning light flashes and a signal sounds: risk of imminent collision with a person, e.g., a pedestrian or a cyclist. Immediately initiate braking or an evasive maneuver.
Additional information:
Daytime Pedestrian Collision Mitigation.
Forward Collision Warning
Warning light illuminates: risk of collision, e.g., with a vehicle, is detected. Increased awareness is required.
Warning light flashes and a signal sounds: risk of imminent collision with a vehicle detected. Immediately initiate braking or an evasive maneuver.
Additional information:
Forward Collision Warning with braking function.
Intersection Collision Warning: vehicle detected from the right
Warning light illuminates: risk of collision with vehicle crossing from the right detected. Increased awareness is required.
Warning light flashes and a signal sounds: risk of imminent collision with a crossing vehicle detected. Immediately initiate braking or an evasive maneuver.
Additional information:
Intersection Collision Warning with city braking function.
Intersection Collision Warning: vehicle detected from the left
Warning light illuminates: risk of collision with vehicle crossing from the left detected. Increased awareness is required.
Warning light flashes and a signal sounds: risk of imminent collision with a crossing vehicle detected. Immediately initiate braking or an evasive maneuver.
Additional information:
Intersection Collision Warning with city braking function.
Intersection Collision Warning: vehicle from undetectable direction of travel
Warning light illuminates: risk of collision with vehicle from unrecognizable direction of travel detected. Increased awareness is required.
Warning light flashes and a signal sounds: risk of imminent collision with a vehicle detected. Immediately initiate braking or an evasive maneuver.
Additional information:
Intersection Collision Warning with city braking function.
Active Cruise Control with Distance Control
Warning light flashes and acoustic signal sounds: Brake and evade as necessary.
Additional information:
Active Cruise Control with Distance Control.
Steering Assistant
Depending on national-market version: The warning light flashes or illuminates. A signal sounds:
The system is switched off.
Additional information:
Steering Assistant.
Steering and Lane Control Assistant: hands not on steering wheel
Warning light illuminates and acoustic signal sounds:
Hands are not grasping the steering wheel. Yellow: System interruption is imminent.
The system reduces the speed to a standstill if applicable.
It is possible that the system will not execute any supporting steering movements.
Grab the steering wheel with your hands.
Additional information:
Steering Assistant.
Yellow lights
Antilock Braking System
The system may not be operational. The Antilock Braking System is not available.
The ability to steer may be restricted during full braking.
Have the vehicle checked immediately by an authorized service center or another qualified service center or repair shop.
Additional information:
Antilock Braking System.
Steering Assistant
Warning light illuminates and acoustic signal may sound: A system interruption is imminent.
Warning light flashes: Lane boundary has been crossed.
Additional information:
Steering Assistant.
Steering and Lane Control Assistant: hands not on steering wheel
Hands are not grasping the steering wheel. The system is still active.
Grab the steering wheel with your hands.
Additional information:
Steering Assistant.
Dynamic Stability Control
Warning light flashes: Dynamic Stability Control is regulating the driving and brake power. The vehicle is stabilized. Reduce the vehicle speed and adjust your driving style to the road conditions.
Warning light illuminates: Dynamic Stability Control has malfunctioned or is initializing. Driving stabilization is restricted or has failed.
If the warning light illuminates continuously, have the vehicle checked immediately by an authorized service center or another qualified service center or repair shop.
Additional information:
Dynamic Stability Control.
Dynamic Stability Control deactivated
The Dynamic Stability Control is deactivated or the M Dynamic Mode is activated.
Additional information:
Dynamic Stability Control.
M Dynamic Mode.
Flat tire monitor
Warning light illuminates: Flat tire or tire pressure loss has been detected.
Reduce your speed and stop cautiously. Avoid sudden braking and steering maneuvers.
Additional information:
Flat tire monitor.
Tire pressure monitor
Warning light illuminates: Flat tire or tire pressure loss has been detected. Follow the information in the Check Control message.
Warning light flashes then illuminates continuously: Flat tires or tire pressure losses cannot be detected.
Fault caused by systems or devices with the same radio frequency: after leaving the area of the interference, the system automatically becomes active again.
In the case of tires with special approval: the tire pressure monitor was unable to complete the reset. Reset the system again.
Wheel without wheel electronics installed: Have it checked by an authorized service center or another qualified service center or repair shop as needed.
Malfunction: have the vehicle checked by an authorized service center or another qualified service center or repair shop.
Additional information:
Tire pressure monitor.
Steering system
The steering system may not be operational.
Have the vehicle checked by an authorized service center or another qualified service center or repair shop.
Emissions
The warning light illuminates:
Worsening emissions, e.g., due to an incorrectly fitted fuel cap. Have the vehicle checked as soon as possible.
The warning light flashes under certain circumstances:
This indicates that there is excessive misfiring in the engine.
Reduce the vehicle speed and have the vehicle checked immediately; otherwise, serious engine misfiring within a brief period can seriously damage emission control components, in particular the catalytic converter.
Have the vehicle checked by an authorized service center or another qualified service center or repair shop.
Additional information:
Socket for OBD on-board diagnostics.
M Traction Control
Indicator light flashes: M Traction Control level is changed.
Additional information:
M Traction Control.
Green lights
Turn signal
Turn signal is on.
Unusually rapid flashing of the indicator light indicates that a turn signal bulb has failed.
Additional information:
Turn signal.
Parking lights
Parking lights are switched on.
Additional information:
Parking lights, low beams.
Low beams
Low beams are switched on.
Additional information:
Parking lights, low beams.
Automatic High Beam Assistant
Low beams are switched on and the Automatic High Beam Assistant is activated.
High beams are switched on and off automatically depending on the traffic situation.
Additional information:
Automatic High Beam Assistant.
Lane departure warning
Depending on vehicle equipment and national-market version:
The indicator light illuminates: the system is switched on. At least one lane boundary has been detected on one side of the vehicle. The system is ready to intervene and issue warnings. The system can perform steering interventions.
Indicator light flashes: the system is performing a steering intervention.
Additional information:
Lane departure warning.
Automatic Hold: vehicle is held automatically
Automatic Hold is ready to use. The vehicle is automatically held in place when it is stationary.
Additional information:
Automatic Hold.
Automatic Hold: vehicle secured against rolling away
The vehicle is automatically secured against rolling away after stopping.
Additional information:
Automatic Hold.
Manual Speed Limiter
The indicator light illuminates: the system is switched on.
The indicator light flashes: the set speed limit has been exceeded.
Additional information:
Manual Speed Limiter.
Cruise Control
The system is active.
Additional information:
Cruise control.
Active Cruise Control with Distance Control
Indicator light illuminates: Vehicle has been detected ahead of you. The vehicle icon goes out if no vehicle has been detected ahead of you.
Indicator lamp is flashing: vehicle ahead is driving off.
Additional information:
Active Cruise Control with Distance Control.
Speed Limit Assistant activated
Depending on vehicle equipment, the indicator light illuminates green, together with the icon for a cruise control system. Speed Limit Assistant is active and detected speed limits can be applied manually for the displayed system.
Additional information:
Speed Limit Assistant.
Speed Limit Assist: Apply speed limit
The detected speed limit can be applied with the SET button. As soon as the speed limit has been applied, a green checkmark is displayed.
Additional information:
Speed Limit Assistant.
Steering Assistant
The system is activated and helps to keep the vehicle in the lane.
Additional information:
Steering Assistant.
Lane Change Assistant: lane change in progress
Arrow icon for lane change green: the system carries out a lane change.
Additional information:
Lane Change Assistant.
Lane Change Assistant: lane change not possible
Gray line for lane boundary on the appropriate side: system detected a lane change request. Lane change not currently possible.
Additional information:
Lane Change Assistant.
Lane Change Assistant: functional requirements not met
Depending on the national-market version:
Arrow icon for lane change gray: lane change not possible; functional requirements not met.
Additional information:
Lane Change Assistant.
Assisted Driving Mode Plus
The system is active.
Additional information:
Assisted Driving Mode Plus.
Assisted Driving Mode Plus
Alternative display, depending on vehicle equipment.
The system is active.
Additional information:
Assisted Driving Mode Plus.
Blue lights
High beams
High beams have been switched on.
Additional information:
High beams.
Automatic High Beam Assistant.
Gray lights
Seat belt reminder
Seat belt on the passenger seat or another seat in the vehicle is not buckled.
Additional information:
Seat belts.
Manual Speed Limiter
The system is interrupted.
Additional information:
Manual Speed Limiter.
Cruise Control
The system is interrupted.
Additional information:
Cruise control.
Active Cruise Control with Distance Control
Indicator light is illuminated: the system is interrupted.
Indicator light flashes: Conditions are not adequate for the system to work. The system was deactivated but applies the brakes until you actively resume control by pressing on the brake pedal or accelerator pedal.
Additional information:
Active Cruise Control with Distance Control.
Steering Assistant
The system is on standby and does not manipulate steering movements.
System activates automatically as soon as all function conditions are fulfilled.
Additional information:
Steering Assistant.
Assisted Driving Mode Plus
The system is interrupted and will activate automatically as soon as all functional requirements are met.
Additional information:
Assisted Driving Mode Plus.
White lights
Cruise Control with Distance Control
No Distance Control displayed since the accelerator pedal is being pressed.
Additional information:
Active Cruise Control with Distance Control.
Assisted Driving Mode Plus
The system can be activated.
Additional information:
Assisted Driving Mode Plus.
M Traction Control
M Traction Control level display.
Additional information:
M Traction Control.