Model year

2026 Mercedes-Benz GLB 250 4MATIC

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recall campaigns covering this model year1311k vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 monthsOpenWindow has not closed yet
Complaints over time

Complaints about the 2026 Mercedes-Benz GLB 250 4MATIC by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

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Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

One recall campaign covers the 2026 Mercedes-Benz GLB 250 4MATIC

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2026 Mercedes-Benz GLB 250 4MATIC
CampaignFiledSubjectComponentVehiclesRemedy
26V-481Jul 24, 2026Micro-switch in the driver's door lock may corrode and fail to detect an open door, preventing the electronic parking brake or "Auto-Park" feature…Latches and locks310,667Part replacement
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2026 Mercedes-Benz GLB 250 4MATIC

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    Service bulletins

    61 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

    • LI27.19-P-080869 Aug 29, 2026 · Service Bulletin/Repair Instructions
      Complaint Temporary no start condition with check engine light and multiple warning messages. When performing a quick test, the following fault code is stored in Y3/14 ‑ Transmission control for 8‑speed dual‑clutch transmission (DKG): P24F100 The wake‑up li…
    • LI54.71-P-080349 Aug 26, 2026 · Service Bulletin/Repair Instructions
      Complaint Frequent rear view camera flap actuations and/or noise associated. NOTE: Rear view camera functions are NOT affected and still perform in accordance with regulatory requirements. Cause Calibration of the reversing camera is in progress. This is no…
    • LI72.20-P-075746 Aug 24, 2026 · Service Bulletin/Repair Instructions
      Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so…
    • LI54.65-P-080132 Aug 12, 2026 · Service Bulletin/Repair Instructions
      Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics. Cause Various root causes Remedy See attached di…
    • LI82.62-P-078631 Aug 6, 2026 · Service Bulletin/Repair Instructions
      Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even with the door trim removed, then continue the diagnosis wor…
    • LI54.21-P-080326 Jul 24, 2026 · Service Bulletin/Repair Instructions
      Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167, 465: SW has been released. Update the FSAM to the latest SW version. 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivabili…
    • LI35.30-P-058566 Jul 14, 2026 · Service Bulletin/Repair Instructions
      Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause If the complaint is eliminated by exp…
    • LI82.60-P-080383 Jul 8, 2026 · Service Bulletin/Repair Instructions
      Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause When a new station change request is triggered, a temporary glitch is causing the Head U…
    • LI54.21-P-080326 Jul 2, 2026 · Service Bulletin/Repair Instructions
      Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167: SW has been released. Update the FSAM to the latest SW version. 465, 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivabili…
    • PSL-NCU Return Parts 6/19 Jun 19, 2026 · Other
      Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, July 9, 2026. After July 9th…
    • LI00.20-P-080703 Jun 12, 2026 · Service Bulletin/Repair Instructions
      Complaint Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop menu, e.g., 505 or 550A, which includes a service A. Cause The root cause is currently being investigated. Remedy To determine the cause, the…
    • LI54.71-P-080349 Jun 2, 2026 · Service Bulletin/Repair Instructions
      Complaint Frequent rear view camera flap actuations and/or noise associated. NOTE: Rear view camera functions are NOT affected and still perform in accordance with regulatory requirements. Cause Calibration of the reversing camera is in progress. This is no…
    • LI82.85-P-080507 May 26, 2026 · Service Bulletin/Repair Instructions
      Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument cluster. In addition, the following two conditions are also met: • HERMES (N1…
    • LI46.15-P-070510 May 22, 2026 · Service Bulletin/Repair Instructions
      Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible n…
    • LI82.30-P-059239 May 19, 2026 · Service Bulletin/Repair Instructions
      Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not wiped completely (streaking) C: During the downward movement water is pulled …
    • LI32.25-P-070053 May 16, 2026 · Service Bulletin/Repair Instructions
      Complaint There may be creaking noises when steering while stationary or driving slowly. See Example Noise attachment Cause The vehicle level of the front axle may be too low. The noises when steering can be caused by continuous contact of the end stop buff…
    • LI67.10-P-071418 May 13, 2026 · Service Bulletin/Repair Instructions
      Complaint Wind noises in area along the top of windshield at speeds above 60mph. Cause Insufficient sealing between the windshield lip seal and the body. Remedy Preliminary Check: Before beginning repairs, verify the source of the wind noise: 1. Mask off th…
    • LI54.65-P-080132 May 12, 2026 · Service Bulletin/Repair Instructions
      Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
    • LI46.15-P-070510 May 8, 2026 · Service Bulletin/Repair Instructions
      Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible noises. • Instrument panel support • Steering column switch module If noise only occurs when adjusting the steeri…
    • LI82.10-P-078301 Apr 16, 2026 · Service Bulletin/Repair Instructions
      Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm…
    • LI00.01-P-078887 Apr 24, 2026 · Service Bulletin/Repair Instructions
      Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numbers, and how to identify. • Network/wiring architecture groups to baumuster q…
    • LI72.20-P-075746 Apr 2, 2026 · Service Bulletin/Repair Instructions
      Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so…
    • LI82.60-P-080383 Apr 2, 2026 · Service Bulletin/Repair Instructions
      Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause When a new station change request is triggered, a temporary glitch is causing the Head U…
    • LI01.30-P-072328 Mar 27, 2026 · Service Bulletin/Repair Instructions
      Complaint -Check engine light illuminated. -Engine runs rough. -Poor shifting or jerking when accelerating. -Fault codes stored related to mixture formation, injector quantity adjustment, or misfire. Note: One or more of the above symptoms can occur. It is …
    • LI00.01-P-078887 Mar 25, 2026 · Service Bulletin/Repair Instructions
      Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numbers, and how to identify. • Network/wiring architecture groups to baumuster q…
    • LI54.71-P-080349 Mar 27, 2026 · Service Bulletin/Repair Instructions
      Complaint Frequent rear view camera flap actuations and/or noise associated. NOTE: Rear view camera functions are NOT affected and still perform in accordance with regulatory requirements. Cause Calibration of the reversing camera is in progress. This is no…
    • LI91.10-P-078305 Mar 26, 2026 · Service Bulletin/Repair Instructions
      Complaint The "easy entry and exit feature" function deactivates itself after a brief period. (see attachment) Cause The cause is currently being investigated. Remedy Update the HU7 to the latest software version, then perform a factory reset of the HU7. St…
    • LI54.71-P-080349 Mar 25, 2026 · Service Bulletin/Repair Instructions
      Complaint Frequent rear view camera flap actuations and/or noise associated. NOTE: Rear view camera functions are NOT affected and still perform in accordance with regulatory requirements. Cause Calibration of the reversing camera is in progress. This is no…
    • LI82.60-P-080383 Mar 25, 2026 · Service Bulletin/Repair Instructions
      Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause Root cause currently being investigated. Remedy Please do not replace any parts. Please …
    • LI82.85-P-078722 Mar 11, 2026 · Service Bulletin/Repair Instructions
      Complaint The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is displayed as being in the middle of the ocean. Note: No relevant DTC is displayed during the quick test. Cause The GNSS antenna is not correctly …
    • LI54.65-P-080132 Mar 9, 2026 · Service Bulletin/Repair Instructions
      Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
    • LI32.25-P-070053 Mar 10, 2026 · Service Bulletin/Repair Instructions
      Complaint There may be creaking noises when steering while stationary or driving slowly. See Example Noise attachment Cause The vehicle level of the front axle may be too low. The noises when steering can be caused by continuous contact of the end stop buff…
    • LI82.10-P-078301 Mar 9, 2026 · Service Bulletin/Repair Instructions
      Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm …
    • LI54.10-P-073164 Mar 4, 2026 · Service Bulletin/Repair Instructions
      Complaint Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery" Cause The state of charge (SOC) of the 12V battery has dropped to 45% or less. Remedy This warning message appears as soon as the state …
    • LI46.15-P-070510 Mar 2, 2026 · Service Bulletin/Repair Instructions
      Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible n…
    • LI54.65-P-080132 Feb 28, 2026 · Service Bulletin/Repair Instructions
      Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
    • LI72.20-P-075746 Feb 25, 2026 · Service Bulletin/Repair Instructions
      Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so tha…
    • LI47.70-P-076030 Feb 24, 2026 · Service Bulletin/Repair Instructions
      Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-voltage battery (SG-LG)". The fault message and the fault memory entry can also…
    • LI82.10-P-078301 Feb 24, 2026 · Service Bulletin/Repair Instructions
      Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm …
    • LI47.70-P-076030 Feb 13, 2026 · Service Bulletin/Repair Instructions
      Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-voltage battery (SG-LG)". The fault message and the fault memory entry can also…
    • LI54.65-P-080132 Feb 13, 2026 · Service Bulletin/Repair Instructions
      Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
    • LI82.85-P-080251 Feb 6, 2026 · Service Bulletin/Repair Instructions
      Complaint Activating Navigation Please Wait" message seen on central display. Cause Under Analysis Remedy 1.Reset the MBUX language (e.g., if the MBUX language is set to English, please change it to any other language and then set it back to English again) …
    • LI47.70-P-076030 Feb 5, 2026 · Service Bulletin/Repair Instructions
      Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-voltage battery (SG-LG)". The instrument cluster message and the FC memory entr…
    • LI01.30-P-072328 Feb 2, 2026 · Service Bulletin/Repair Instructions
      Complaint -Check engine light illuminated. -Engine runs rough. -Poor shifting or jerking when accelerating. -Fault codes stored related to mixture formation, injector quantity adjustment, or misfire. Note: One or more of the above symptoms can occur. It is …
    • LI54.65-P-080132 Jan 30, 2026 · Service Bulletin/Repair Instructions
      Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
    • LI82.85-P-078722 Jan 26, 2026 · Service Bulletin/Repair Instructions
      Complaint The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is displayed as being in the middle of the ocean. Note: No relevant DTC is displayed during the quick test. Cause The GNSS antenna is not correctly …
    • LI00.01-P-078887 Jan 21, 2026 · Service Bulletin/Repair Instructions
      Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numbers, and how to identify. • Network/wiring architecture groups to baumuster q…
    • LI83.30-P-079850 Jan 16, 2026 · Service Bulletin/Repair Instructions
      Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy *Note - This Li does not apply if there are other Li's that apply to your concern OR you have a fault and/or guided te…
    • LI83.30-P-079850 Jan 15, 2026 · Service Bulletin/Repair Instructions
      Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps Verify Customer Concern • Confirm the issue reported by the customer. Compare to …
    • LI47.70-P-076030 Jan 10, 2026 · Service Bulletin/Repair Instructions
      Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-voltage battery (SG-LG)". The instrument cluster message and the FC memory entr…
    • LI83.30-P-079850 Jan 7, 2026 · Service Bulletin/Repair Instructions
      Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps Verify Customer Concern • Confirm the issue reported by the customer. Compare to …
    • LI54.65-P-066284 Dec 18, 2025 · Service Bulletin/Repair Instructions
      Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The reversing camera or the 360° system functions normally when activated manually or …
    • LI27.19-P-080155 Dec 19, 2025 · Service Bulletin/Repair Instructions
      Complaint Oil residue in connector of transmission control unit in dual-clutch transmission models 724.0 and 724.1. Cause As part of the production process, the electrohydraulic controller units are subjected to a function test in an oil bath. Any oil resid…
    • LI54.65-P-080132 Dec 11, 2025 · Service Bulletin/Repair Instructions
      Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
    • LI82.85-P-080094 Dec 3, 2025 · Service Bulletin/Repair Instructions
      Complaint Displayed Message: “Driver camera not functioning, see Operator’s Manual” Cause Interior temperature too high due to: • Summer heat • Direct sunlight • Lack of air conditioning or ventilation Camera enters self-protection mode to prevent overheati…
    • LI54.10-P-078888 Dec 3, 2025 · Service Bulletin/Repair Instructions
      Complaint The check engine light illuminates or the 48 V message is displayed in the instrument cluster Cause Fault code "P0A7F00" stored in the 48 V battery G1/3 and/or is current. Remedy 1. Perform software update: In the given problem case, update the so…
    • LI33.30-P-056665 Nov 15, 2025 · Service Bulletin/Repair Instructions
      Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in attachment Cause If the complaint is eli…
    • LI68.20-P-080012 Nov 6, 2025 · Service Bulletin/Repair Instructions
      Complaint USB port not functioning properly. Cause Most reported USB port issues are due to improper use or contamination. Note: Any repair costs must be discussed with the customer beforehand. Common external factors identified include: • Fluid intrusion •…
    • NCU - 2025100004 Oct 31, 2025 · Service Campaign
      Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the 48-V on-board electrical system battery software might not meet current production specifications. A communication error may occur when …
    • LI35.31-P-077429 Oct 29, 2025 · Service Bulletin/Repair Instructions
      Complaint Instrument cluster message "4MATIC inoperative". The following fault code may be present in all-wheel drive control unit N15/17: P147354 - Erroneous adaptation of the transfer case. The calibration is missing. P14759A - The coupling of the transfe…
    Source: NHTSA manufacturer communications files.