2021 Mercedes-Benz CLA250 Fuel system Problems
- Complaints
- 2about this part
- Share
- 29%of 7 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the fuel system of the 2021 Mercedes-Benz CLA250, 29% of the 7 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Date of occurrence: 03/05/2024 Subject: Formal Claim Regarding Traffic Safety Issue with 2021 Mercedes Benz CLA 250 I am writing to formally submit a claim regarding a recent traffic safety incident involving my 2021 Mercedes Benz CLA 250. While driving to my destination, I encountered a sudden loss of power and inability to accelerate. To ensure the safety of myself and other drivers, I activated my emergency lights and cautiously proceeded at a limited speed of approximately 30 mph, accompanied by a strained engine sound. …”
NHTSA complaint #11575656, filed 2024-03“Vehicle would unexpectedly stall out while driving at slow speeds or stopped. Car was brought to an independent car shop and it was determined the Fuel pump had started to come apart sending debris into the fuel tank/system causing low fuel pressure. The fuel tank with fuel level sensor and suction jet pump was replaced along with, fuel injectors and other fuel system components. This looks very similar to other Mercedes Fuel system recalls that does not seem to cover the GLA250 but has the same manufacturer parts. …”
NHTSA complaint #11760635, filed 2026-08Related service bulletins
- 11036999Aug 15, 2026Dear 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…
- 11035490Jul 31, 2026This NCU replaces the prior NCU issued on May 15, 2025, and contains additional MY 2023 and MY 2024 vehicles which are highlighted below.
- 11019016May 30, 2025In 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…
- 11018625May 15, 2025In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (“MBUSA”) is…
- 11014402Feb 21, 2025Complaint Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault codes in control units FSCM_GEN4/5/6 • For these fault codes, the…
- 11013179Jan 24, 2025Complaint Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault codes in control units FSCM_GEN4/5/6 • For these fault codes, the…
Fuel system: other model years
Other parts of the 2021 Mercedes-Benz CLA250
2 complaintsVehicle speed control
2 complaintsEngine
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2021 Mercedes-Benz CLA250
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology