2026 Mercedes-Benz GLB 250 4matic technical service bulletins
65 technical service bulletins and manufacturer communications cover the 2026 Mercedes-Benz GLB 250 4matic.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Slight creaking noises when steering
- Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...
- Radio station cover art does not refresh when switching stations
- Clanking noise from the area of the speakers in the doors
- Temporary no start condition with check engine light and multiple warning messages
- Frequent rear view camera flap actuations and/or noise associated
- Tailgate opens unintentionally
- 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active...
- CEL light on with no drivability concerns
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- CEL light on with no drivability concerns
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed,...
- Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop...
- After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the...
- Noises from the area of the steering column
- There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper...
- There may be creaking noises when steering while stationary or driving slowly
- Wind noises in area along the top of windshield at speeds above 60mph
- 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active...
- Cause At present, there are no known noise problems with the steering column
- The intent of
- Headlamp, front fog lamp leaky or fogged
- -Check engine light illuminated
- The "easy entry and exit feature" function deactivates itself after a brief period
- Radio station cover art does not refresh when switching stations
- The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is...
- Headlamp, front fog lamp leaky or fogged
- Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery"
- Tailgate opens unintentionally
- After the charging process is complete, an instrument cluster message with a charging error appears and FC...
- Activating Navigation Please Wait" message seen on central display
- After the charging process is complete, an instrument cluster message with a charging error appears and FC...
- Customer states the AC either does not cool/has poor performance or heat is insufficient
- Customer states the AC either does not cool/has poor performance or heat is insufficient
- Oil residue in connector of transmission control unit in dual-clutch transmission models 724.0 and 724.1.
- The flap of the reversing camera opens and closes by itself during forward travel several times during the...
- The check engine light illuminates or the 48 V message is displayed in the instrument cluster
- Displayed Message: “Driver camera not functioning, see Operator’s Manual”
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- USB port not functioning properly
- Electrical system
- Instrument cluster message "4MATIC inoperative". The following fault code may be present in all-wheel...
- At low speeds and light brake pressure, brakes will make a groaning or honking noise
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