Mercedes-Benz reliability and problems by model
Owners have filed 12,189 complaints about Mercedes-Benz models with NHTSA since 2010, and Mercedes-Benz has filed 35 warranty extensions. Pick a model to compare its model years.
From NHTSA's public data files, downloaded 2026-10-10.
Mercedes-Benz models
| Model | Complaints | Model years | Most complaints | Most named |
|---|---|---|---|---|
| C-Class | 3,788 | 2010–2026 | 2012 | Airbags |
| E-Class | 1,835 | 2010–2026 | 2014 | Airbags |
| GLK-Class | 948 | 2010–2015 | 2010 | Airbags |
| Sprinter | 834 | 2010–2025 | 2019 | Electrical system |
| GLC-Class | 790 | 2015–2026 | 2016 | Engine |
| GLE-Class | 663 | 2016–2026 | 2020 | Electrical system |
| ML-Class | 494 | 2010–2015 | 2011 | Airbags |
| CLA-Class | 486 | 2012–2026 | 2014 | Engine |
| GL-Class | 389 | 2010–2017 | 2011 | Airbags |
| S-Class | 349 | 2010–2025 | 2015 | Other or unspecified |
| GLA-Class | 324 | 2014–2026 | 2015 | Engine |
| GLS-Class | 226 | 2017–2026 | 2017 | Electrical system |
| Metris | 212 | 2015–2023 | 2016 | Tires |
| GLB-Class | 133 | 2020–2026 | 2020 | Other or unspecified |
| EQB | 128 | 2022–2025 | 2023 | Electrical system |
| EQS | 115 | 2022–2024 | 2023 | Automatic emergency braking and collision warning |
| CLS-Class | 92 | 2010–2023 | 2012 | Wheels |
| A-Class | 83 | 2011–2022 | 2019 | Electrical system |
| B-Class | 79 | 2013–2017 | 2015 | Transmission and drivetrain |
| EQE | 53 | 2023–2026 | 2023 | Brakes |
| G-Class | 52 | 2011–2025 | 2021 | Other or unspecified |
| SL-Class | 47 | 2011–2023 | 2013 | Engine |
| R-Class | 39 | 2010–2012 | 2011 | Airbags |
| SLK-Class | 30 | 2012–2016 | 2012 | Other or unspecified |
Look up a Mercedes-Benz by VIN or model year
Recent Mercedes-Benz warranty extensions
The latest warranty extensions Mercedes-Benz filed with NHTSA, and the models they cover. Each model's page lists all of them.
- Aug 2026· Engine· Sprinter
Mercedes-Benz AG (“MBAG”), the manufacturer of Freightliner Sprinter vehicles, has determined that on certain MY17-18 Freightliner Sprinter vehicles, the diesel particulate filter may crack due to an insufficient weld.
- Jul 2026· Engine· E-Class, C-Class, S-Class, SL-Class, GLC-Class, G-Class
Complaint Check Engine Light ON with DTC P012800 "The Coolant Temperature is Below the Specified Temperature" active and/or stored in the ME (N3/10).
- Feb 2026· Other or unspecified· Sprinter
In our continuing efforts to assure the proper performance of our products and to ensure the satisfaction of our customers, the warranty for the low pressure EGR differential pressure sensor in the vehicles listed below has been extended from 5 years/100,000 miles to 15…
- Feb 2026· Engine· E-Class, C-Class, CLA-Class, GLA-Class, GLC-Class, GLE-Class
Complaint -Check engine light illuminated. -Engine runs rough.
- Jan 2026· Engine· E-Class, C-Class, GL-Class, S-Class, SL-Class, ML-Class
Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA is extending the warranty coverage on the exhaust valve system in your vehicle from the original New…
- Apr 2025· Engine· Sprinter
In our continuing efforts to assure the proper performance of our products and to ensure the satisfaction of our customers, the warranty for the EGR Valve in the vehicles listed below has been extended from the original 5 years/100,000 miles to 15 years/150,000 miles, whichever…
- Aug 2024· Electrical system· E-Class, GLK-Class, C-Class, GL-Class, S-Class, SL-Class
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) C-Class, E-Class, S-Class, G-Class, CL, CLS, ML, GL, GLE, GLS, GLC, SL, and AMG GT (204, 205, 207, 212, 213, 217, 221, 222, 463, 216, 218, 166, 292, 253, 231,…
- Aug 2024· Engine· E-Class, C-Class, SLK-Class, GLC-Class
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (“MBUSA”) is extending the coverage for the intake line assembly on your vehicle from the original New Vehicle Limited…
- Apr 2024· Engine and cooling· E-Class, GLK-Class, C-Class, SLK-Class, GLC-Class
Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has a malfunction The partial-load ventilation valve (a part of the intake line assembly) may not work…
- Apr 2024· Fuel system· E-Class, GLK-Class, C-Class, GL-Class, S-Class, SL-Class
IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC ("MBUSA") is extending the warranty coverage on the Fuel System Control…
- Jan 2024· Fuel system· GLC-Class
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (MBUSA) is extending the warranty coverage for the pressure sensor in certain Model Year (MY) hybrid vehicles listed…
- Dec 2023· Electrical system· E-Class, C-Class, S-Class, SL-Class, GLC-Class, G-Class
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC ("MBUSA") is extending the warranty coverage on the engine thermostat (including software update) installed in certain…