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Fuel systemPart report

2020 Mercedes-Benz CLA250 Fuel system Problems

Complaints
3about this part
Share
15%of 20 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the fuel system of the 2020 Mercedes-Benz CLA250, 15% of the 20 complaints for this model year. 1 recall campaign on record is filed under a similar system.

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.

“My vehicle's cylinder head needs to be replaced due to a leak in the valve seat. It is available for inspection upon request. My safety and the safety of others were at risk because the engine of the vehicle could of failed at anytime while the vehicle was in use. This could have lead to an accident. The problem has been confirmed by the dealer and the dealer is recommending I replace the cylinder head. The dealer's service center had a certified technician perform a diagnostic test on my vehicle. There were no warnings, messages, or symptoms prior to the check engine light coming on. …”

NHTSA complaint #11534307, filed 2023-07

“During the manufacturing process, particles was trapped between the fuel and rail injectors, which is causing a fuel leak. A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, increase the risk of a fire.”

NHTSA complaint #11588068, filed 2024-05

“Approximately several weeks ago, the check engine light illuminated in my vehicle. No issues were present at that time. Shortly after, approximately a week later, the vehicle began to stutter when reversing or driving on surface streets after being on the highway. The vehicle also would stall after the check engine light flashed several times. The vehicle would need to be turned off and turned back on to accelerate correctly and not stall. This has not been inspected by the dealer yet, a service appointment has been made. …”

NHTSA complaint #11500957, filed 2023-01

Related recalls

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2021229%
2020315%
2019417%
201837%
201714%
2016710%
201523%
2014116%
2012114%

Other parts of the 2020 Mercedes-Benz CLA250

Electrical system
5 complaintsBack-over prevention (rear camera)
4 complaintsEngine
4 complaintsOther or unknown
4 complaintsBrakes
2 complaintsSteering
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsAir bags
1 complaintsEquipment
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaintsSuspension
1 complaints

← All problems reported for the 2020 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