2018 Mercedes-Benz CLA250 Fuel system Problems
- Complaints
- 3about this part
- Share
- 7%of 41 total for the year
- Median mileage
- 86,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2018 Mercedes-Benz CLA250, 7% of the 41 complaints for this model year. Where a mileage was given, the median is 86,500 miles.
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.
“The contact owns a 2018 Mercedes-Benz CLA250. The contact stated that coolant was leaking from the engine with the check engine warning light illuminated. The vehicle was taken to an independent mechanic where the mechanic replaced the coolant reservoir cap. Several months later, the warning light re-appeared, and the contact topped off the coolant level and the warning light disappeared. Recently, the check engine warning light illuminated and took the vehicle back to the independent mechanic. …”
NHTSA complaint #11531259, filed 2023-07, 118,000 miles“The contact owns a 2018 Mercedes-Benz CLA250. The contact stated while driving an undisclosed speed, an abnormally strong fuel odor was detected. Additionally, the fuel odor was also detected when the defroster and heat were activated. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure but informed the contact that there was no recall associated with the VIN. The contact related the failure to NHTSA Campaign Number: 21V961000 (Fuel System, Gasoline) however, the VIN was not included in the recall. …”
NHTSA complaint #11553361, filed 2023-11, 55,000 milesRelated 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…
- 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…
- 10169599Nov 21, 2019Squeaking Noise from Exhaust Gas Flap
Fuel system: other model years
Other parts of the 2018 Mercedes-Benz CLA250
10 complaintsOther or unknown
10 complaintsAir bags
8 complaintsEngine
6 complaintsBody and structure
6 complaintsSeats
2 complaintsSteering
2 complaintsTransmission and drivetrain
2 complaintsEngine cooling
1 complaintsLane departure
1 complaintsSuspension
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2018 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