Center Mounted Brake Lamp: Description and Operation

High-Mount Brake Lamp Bulb (M25)

DTC Recognition and Display

The Comfort System is equipped with OBD, which makes it easier to perform Fault Finding on the high-mounted brake lamp.

The "Guided Fault Finding" function is to be used for troubleshooting of the systems as described in => [ Vehicle Diagnosis, Testing and Information Systems ] Testing and Inspection.

• LED failure in high-mount brake lamps (not USA and Canada):

• Individual LEDs (Light Emitting Diodes) in high-mount brake lights are combined into groups of up to four LEDs and are supplied with power as a group.

• When one LED group fails, the function of the intact LEDs are given a higher load, by which failure of other LED groups can be assumed in the near future.

• Replace the high-mounted brake lamp bulb, => [ High-Mounted Brake Lamp Bulb (M25) ] High-Mounted Brake Lamp Bulb (M25) if more than 2 separate LEDs have burned out.