Mercedes-Benz GLB 250 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
107 owner complaints analyzed
25 distinct recall campaigns
11,910 mi median reported failure mileage
Scope: 2020 to 2026 model years. Data snapshot: . 28 complaints include usable failure mileage.
Most common problems
Unknown Or Other is the most frequently named component, appearing in 27 of 107 complaints (25.2%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 10 | 9.3% |
| Transmission and shifting | 9 | 8.4% |
| Braking behavior | 9 | 8.4% |
| Steering behavior | 7 | 6.5% |
| Engine operation | 5 | 4.7% |
| Fuel system concerns | 5 | 4.7% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Unknown Or Other | 27 |
| Engine | 19 |
| Electrical System | 18 |
| Structure:Body | 11 |
| Suspension | 10 |
| Power Train | 7 |
| Fuel/Propulsion System | 6 |
| Air Bags | 5 |
Unknown Or Other: 27; Engine: 19; Electrical System: 18; Structure:Body: 11; Suspension: 10; Power Train: 7; Fuel/Propulsion System: 6; Air Bags: 5
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 20 |
| 25,000 to 49,999 | 5 |
| 50,000 to 74,999 | 3 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 20; 25,000 to 49,999: 5; 50,000 to 74,999: 3; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (20). 79 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2020 | 13 |
| 2021 | 9 |
| 2022 | 16 |
| 2023 | 13 |
| 2024 | 17 |
| 2025 | 26 |
| 2026 | 13 |
2020: 13; 2021: 9; 2022: 16; 2023: 13; 2024: 17; 2025: 26; 2026: 13
Pattern summary
Unknown Or Other leads the component reports. Electrical and battery issues appears in 10 complaint narratives. Transmission and shifting appears in 9 complaint narratives. Braking behavior appears in 9 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11340435 · 2020-07-20 (July 20, 2020)
ON FRIDAY 7/17/2020 AROUNDNOON, I WASDRIVING MYMB GLB THAT WAS BOUGHT LESSTHAN90 DAYS AGO WHEN SUDDENLY THE DASHBOARD WENT BLANK. I COULD NOT SEE SPEED, GAS GAGES OR ANY OTHER SAFETY FEATURES THAT WOULD BE ON THE DASH. I WAS BASICALLY BLINDED. I CALLED MERCEDES 911 AFTER STOPPING THE CAR. WE TRIED TO FACTORY RESET THE COMPUTER ON ADVICE FROM TECH VIA THE PHONE. THIS HAD NO IMPACT ON THE SCREEN. THE MB REP DID NOT OFFER ROADSIDE ASSIST. I HAD TO DRIVE OVER 25 MILES WITH NO DASHBOARD TO GAGE MY SPEED, GAS OR SAFETY LIGHTS. I HAD NO CHOICE AS NO H…
Owner-reported narrative. 3,250 miles reported. Look up ODI 11340435 at NHTSA ↗
Owner report 11404564 · 2021-03-23 (March 23, 2021)
ON 3/23/2021, MY GLB 250 STARTED EXPERIENCING ELECTRICAL AND ENGINE ISSUES AFTER I HAD BEEN STOPPED AT A RAILROAD CROSSING FOR 15 MINUTES WITH THE ENGINE RUNNING AND THE CAR IN PARK. ONCE THE TRAIN PASSED AND I WAS ABLE TO DRIVE, MY INSTRUMENT PANEL STARTED LIGHTING UP WITH EVERY POSSIBLE WARNING LIGHT AND ADDITIONAL WARNINGS THAT SAID TO NOT SHIFT GEARS AND GO TO DEALER IMMEDIATELY. I DROVE APPROXIMATELY 1 MILE AND STOPPED AT A STOP LIGHT, AT WHICH TIME ALL WARNINGS CONTINUED TO GO OFF. I COULD NOT TURN THE CAR ON OR OFF, COULD NOT SHIFT I…
Owner-reported narrative. 8,000 miles reported. Look up ODI 11404564 at NHTSA ↗
Owner report 11458440 · 2022-03-26 (March 26, 2022)
1) As I was driving on the highway, the TRANSMISSION went into neutral. An error message on the display said that there was a transmission issue and to stop the car. 2) Fortunately, I was able to safely pull off the road without incident. However, there are many places that I wouldn't have been able to do that (for example, on the Sagamore Bridge which I use daily). I could not accelerate and I was rapidly slowing down. I could have been rear-ended by one of the many tractor trailers that were on the road at the time as they are not able to slo…
Owner-reported narrative. Look up ODI 11458440 at NHTSA ↗
Owner report 11564012 · 2024-01-07 (January 7, 2024)
Since the beginning of the vehicle purchase, we heard fine metal rattling sound on the front driver side tire. Had it checked with the dealer and they recommended no repair. Now driven about 35K miles and started very loud metal scratching sound when wheels turned to right. Inspection showed bent brake cover that was wearing tire uneven. Dealer claims that we went over a large bump that bent the brake cover but no such thing happened and this location is where we have been hearing this fine rattling since buying new. Raising a possibility …
Owner-reported narrative. Look up ODI 11564012 at NHTSA ↗
Owner report 11631409 · 2024-12-18 (December 18, 2024)
The contact owns a 2020 Mercedes-Benz GLB250. The contact stated while the vehicle was at a stop light, the accelerator pedal was depressed however, the vehicle lunged backward. There was no warning light illuminated. The contact depressed the brake pedal to stop the vehicle. The vehicle was restarted; however, the failure recurred. The vehicle was taken to the dealer but was not diagnosed or repaired. The contact was informed by the dealer that the failure could not be duplicated. The manufacturer was made aware of the failure. The approximate…
Owner-reported narrative. 50,307 miles reported. Look up ODI 11631409 at NHTSA ↗
Owner report 11450937 · 2022-02-08 (February 8, 2022)
The contact owns a 2020 Mercedes-Benz GLB250. The contact received a recall notification for NHTSA Campaign Number: 21V990000 (Steering, Suspension) however, the dealer informed the contact that parts for the recall repair were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was notified of the issue and informed the contact that the parts for the recall repair were not yet available. The contact had not experienced a failure. VIN tool confirms parts no…
Owner-reported narrative. Look up ODI 11450937 at NHTSA ↗
Owner report 11489214 · 2022-10-13 (October 13, 2022)
The contact owns a 2020 Mercedes-Benz GLB250. The contact stated while driving at approximately 30 MPH the vehicle had started shaking as if the engine was going to stall. The contact stated the check engine light was illuminated. The contact pulled over and stopped the vehicle, when she restarted the vehicle it had stopped shaking. The contact stated that the vehicle failure had been intermittent but had become a recurring failure and the vehicle had stalled several times. The contact had taken the vehicle to a local dealer, where it was diagn…
Owner-reported narrative. 54,000 miles reported. Look up ODI 11489214 at NHTSA ↗
Owner report 11395972 · 2021-02-12 (February 12, 2021)
TL* THE CONTACT OWNS A 2020 MERCEDES-BENZ GLB250. THE CONTACT STATED THAT THERE WAS AN ABNORMALLY STRONG SMELL OF GASOLINE INSIDE OF THE VEHICLE. WHILE THE CONTACT'S SON WAS ABOUT TO ENTER THE VEHICLE, HE BECAME AWARE OF A LARGE AMOUNT OF GASOLINE LEAKING FROM THE VEHICLE. THE CONTACT HAD THE VEHICLE TOWED TO MERCEDES-BENZ OF LOS ANGELES (1801 S FIGUEROA ST, LOS ANGELES, CA 90015) WHERE THE VEHICLE WAS AWAITING REPAIRS FOR THE FUEL LEAK. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 11,820. *BF
Owner-reported narrative. 11,820 miles reported. Look up ODI 11395972 at NHTSA ↗
Owner report 11726066 · 2026-03-21 (March 21, 2026)
Diagnostics performed and found electrical/component fault and possible wire damage to fuel pump. NECC to drain tank and inspect replace fule pump if necc. Oringally took one week prior and diagnostics led to the possiblility that the cylinder head was malfunctioning, which was a manufacturing defect and covered under an extended warranty, but now advised otherwise. Quote $2200.00. Mileage on vehicle 23,660.
Owner-reported narrative. Look up ODI 11726066 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2020 | 20 |
| 2021 | 11 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
2020: 20; 2021: 11; 2022: 1; 2023: 1; 2024: 1; 2025: 2; 2026: 1