AutoUtility currently tracks 57 official NHTSA owner defect complaints for the 2020 Mercedes-Benz GLB. Body & Structure issues are the most frequently reported category, appearing in 14 complaints (24.6% of submitted records). Among these NHTSA complaint records, 2 filings cite a crash, 1 cites a fire, 2 report one or more injuries.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
14 owner complaints submitted to NHTSA ODI for this subsystem.
10 owner complaints submitted to NHTSA ODI for this subsystem.
7 owner complaints submitted to NHTSA ODI for this subsystem.
7 owner complaints submitted to NHTSA ODI for this subsystem.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"Complete engine failure mid driving on highway. NO engine light prior to complete engine failure. Vehicle has been towed to two different Mercedes Benz auto dealerships. Both service directors concur that this should not have occurred with zero warning and low mileage of 64,856 with an impeccable..."
"EXTENDED WARRENTY INFORMATION MERCEDEZ BENZ HAS ISSUED WARRENTY TO THAT APPLIE TO CONDISTIONS AS LISTED ABOVE (EXHAUST VALVE, CYLINER HEAD ) BACK 08/04/2023 THE CAR HAS IN MERCEDEZ BENZ AND HAVE FAILED TO PICK ON THE EXTENDED WARRRENTY REPAIRS AND WE NOW FIND OUT THIS CASED MORE DAMAGE TO THE..."
"I have a passenger malfunction with airbags warning coming. I also just experienced getting gas. My milage counted down to zero which it never has before and my engine light came on. I went and got gas 3 times spending around $70 and my gas mileage still says 0 and my engine light is on."
"my car has only 24533 miles and Air bag malfunction message is showing up"
"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..."
Reported defect complaint volume across sibling model years (2020–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2020 Mercedes-Benz GLB Current Page | 57 | 2 | 20 | Current |
| 2021 Mercedes-Benz GLB | 7 | 0 | 12 | View 2021 Problems → |
| 2022 Mercedes-Benz GLB | 13 | 2 | 1 | View 2022 Problems → |
| 2023 Mercedes-Benz GLB | 12 | 0 | 1 | View 2023 Problems → |
| 2024 Mercedes-Benz GLB | 0 | 0 | 2 | View 2024 Problems → |
| 2025 Mercedes-Benz GLB | 0 | 0 | 2 | View 2025 Problems → |
| 2026 Mercedes-Benz GLB | 1 | 0 | 1 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 26 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Structure & Body NHTSA category: STRUCTURE | 13 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 8 | 0 | 0 | 1 | 0 |
| Air Bags NHTSA category: AIR BAGS | 4 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 3 | 0 | 0 | 0 | 0 |
| Fuel System NHTSA category: FUEL SYSTEM, GASOLINE | 3 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 2 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION | 2 | 1 | 0 | 0 | 0 |
| Suspension NHTSA category: SUSPENSION | 2 | 0 | 0 | 0 | 0 |
| AIR BAGS,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| AIR BAGS,SEAT BELTS | 1 | 1 | 0 | 2 | 0 |
| AIR BAGS,STRUCTURE,ELECTRONIC STABILITY CONTROL (ESC) | 1 | 0 | 0 | 0 | 0 |
| Back Over Prevention / Camera NHTSA category: BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES, HYDRAULIC,EQUIPMENT | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION,WHEELS | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,POWER TRAIN,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE | 1 | 0 | 1 | 0 | 0 |
| UNKNOWN OR OTHER,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2020 Mercedes-Benz GLB
In official NHTSA consumer records, the most frequently cited issue area for the 2020 Mercedes-Benz GLB is Body & Structure, appearing in 14 records (24.6% of submitted filings).
Secondary reported categories include Electrical System (10) and Fuel & Propulsion System (7).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 57 consumer defect complaints and 20 safety recall campaigns for the 2020 Mercedes-Benz GLB.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2020 Mercedes-Benz GLB, 2 filings cite a crash, 1 cite smoke or fire, and 2 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.