Indicator/warning lights
General information
The meaning of the indicator and warning lights is explained here.
Red lights
Seat belt reminder
Indicator lamp lights up in the following situations:
Seat belt on the driver or passenger side is not buckled.
The seat belt reminder can also be activated if objects are placed on the front passenger seat.
The seat belt is not buckled on the corresponding rear seat.
Make sure that the seat belts are positioned correctly.
Rear seat belt reminder: seat detection
The seat belt is not buckled on the corresponding rear seat.
Airbag system
Airbag system and seat belt tensioner may not be working.
Have vehicle checked immediately by an authorized service center or another qualified service center or repair shop.
Parking brake
The parking brake is set.
Additional information:
For releasing the parking brake.
Brake system
Brake system fault. Continue to drive moderately.
Have vehicle checked immediately by an authorized service center or another qualified service center or repair shop.
If equipped with Equipment Stop Assistant
Emergency Stop Assistant triggered.
Additional information:
Emergency Stop Assistant.
Risk of collision
Indicator light illuminates or flashes in conjunction with an acoustic signal if a collision is imminent.
Additional information:
Intersection warning with City light braking function.
Forward Collision Warning with light braking function
The indicator light is illuminated: prewarning. Brake and increase distance.
Indicator light flashes and an acoustic signal sounds: acute warning. Brake and make an evasive maneuver, if necessary.
Additional information:
Forward Collision Warning with light braking function.
Intersection Collision Warning: vehicle detected from the right
Indicator light illuminates: prewarning for risk of collision with a vehicle crossing from the right.
Indicator light flashes and a signal sounds: acute warning for an immediate risk of collision.
Additional information:
Intersection warning with City light braking function.
Intersection Collision Warning: vehicle detected from the left
Indicator light illuminates: prewarning for risk of collision with a vehicle crossing from the left.
Indicator light flashes and a signal sounds: acute warning for an immediate risk of collision.
Additional information:
Intersection warning with City light braking function.
Pedestrian Warning with City Collision Mitigation
Indicator light flashes and an acoustic signal sounds: imminent collision with a detected person or a cyclist.
Intervene immediately by braking or make an evasive maneuver.
Additional information:
Pedestrian Warning with City Collision Mitigation.
Active Cruise Control with Stop&Go function
Indicator light flashes and an acoustic signal sounds: braking and evading.
Additional information:
Active Cruise Control with Stop&Go function.
Steering Assistant
Depending on the equipment and national-market version: steering wheel icon flashes red or lights up red.
A signal sounds: the system is switched off.
Additional information:
Steering Assistant.
Yellow lights
Steering Assistant
The indicator light lights up and an acoustic signal may sound: a system interruption is imminent.
The indicator warning light flashes: lane boundary driven over.
Additional information:
Steering Assistant.
Antilock Braking System
The braking assistance may be faulty. Avoid abrupt braking. Take the longer braking distance into account.
Have checked immediately by an authorized service center or another qualified service center or repair shop.
Dynamic Stability Control
Indicator light blinks: Dynamic Stability Control controls the drive and brake forces. The vehicle is stabilized. Reduce speed and modify your driving style to the driving circumstances.
Indicator light illuminates: the Dynamic Stability Control has malfunctioned.
Have the system 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.
Tire pressure monitor
The indicator light illuminates: the Tire Pressure Monitor reports a low tire pressure or a flat tire. Follow the information in the Check Control message.
The indicator light flashes and is then illuminated 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 system checked by an authorized service center or another qualified service center or repair shop.
Additional information:
Tire pressure monitor.
Steering system
Steering system may be faulty.
Have the system checked by an authorized service center or another qualified service center or repair shop.
Emissions
The warning light lights up:
Emissions are deteriorating. 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 system checked immediately; otherwise, serious engine misfiring within a brief period can seriously damage emission control components, in particular the catalytic converter.
Additional information:
Socket for OBD on-board diagnostics.
Green lights
Rear seats: seat belt fastened
The seat belt is buckled on the corresponding rear seat.
Rear seats: seat detection
The seat belt is buckled on the corresponding rear seat.
Turn signal
Turn signal is on.
Unusually rapid blinking 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.
Lane departure warning
Depending on vehicle equipment and national-market version:
The indicator light lights up: the system is switched on. A lane boundary has been detected on at least one side of the vehicle and the system is ready to intervene. Warnings will be issued.
Icon flashes green: the system is performing a steering intervention.
Additional information:
Lane departure warning.
Automatic High Beam Assistant
Automatic High Beam Assistant is switched on.
High beams are switched on and off automatically depending on the traffic situation.
Additional information:
Automatic High Beam Assistant.
Automatic Hold: vehicle is held automatically
Steptronic transmission: Automatic Hold is activated. The vehicle is automatically held in place when it is stationary.
Additional information:
Driving.
Automatic Hold: vehicle secured against rolling away
Steptronic transmission: The vehicle is prevented from rolling away after the brake is applied.
Additional information:
Driving.
Manual Speed Limiter
The indicator light lights up: the system is switched on.
The indicator light flashes: the set speed limit has been exceeded.
Additional information:
Manual Speed Limiter.
Depending on the equipment: Cruise Control
The system is active.
Additional information:
Driver assistance systems, Cruise Control.
Active Cruise Control with Stop&Go function switched on
The system is turned on.
Additional information:
Active Cruise Control with Stop&Go function.
Active Cruise Control with Stop&Go function: vehicle ahead
The indicator light lights up: the system is switched on. Vehicle ahead has been detected.
Indicator lamp flashes: preceding vehicle has started driving.
Additional information:
Active Cruise Control with Stop&Go function.
Speed Limit Assistant activated
Depending on the equipment, the indicator light is illuminated together with the icon for a speed control system: Speed Limit Assistant is active and detected speed limits can be accepted manually for the displayed system.
Additional information:
Speed Limit Assistant.
Speed Limit Assistant: 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 supports the driver in keeping the vehicle within the lane.
Additional information:
Steering Assistant.
Automatic Lane Change Assistant: lane change in progress
Arrow icon for lane change green: the system carries out a lane change.
Additional information:
Automatic Lane Change Assistant.
Automatic 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:
Automatic Lane Change Assistant.
Automatic 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:
Automatic Lane Change Assistant.
Assisted Driving Plus
The system is active.
Additional information:
Assisted Driving Plus.
Blue lights
High beams
High beams have been switched on.
Additional information:
High beams.
Gray lights
Active Cruise Control with Stop&Go function
Indicator light is illuminated: the system is interrupted.
Indicator light flashes: the conditions are not adequate for the system to work or the system has been deactivated.
Additional information:
Active Cruise Control with Stop&Go function.
Steering Assistant
Indicator light is illuminated: the system is ready.
Additional information:
Steering Assistant.
Assisted Driving Plus
Indicator light is illuminated: the system is interrupted.
Additional information:
Assisted Driving Plus.
White lights
Assisted Driving Plus
Indicator light is illuminated: the system is ready.
Additional information:
Assisted Driving Plus.
M xDrive: rear-wheel drive activated
The M xDrive 2WD program is activated. The driving forces are distributed via the rear axle.
Additional information:
M xDrive.
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