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Mercedes-Benz CLA250Model year report

2021 Mercedes-Benz CLA250 Problems

Complaints
7filed with NHTSA
Median mileage
—no mileage reported
Recalls
5campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA crash rating
—no overall rating published
EPA fuel economy
29 mpgcombined, 2.0L 4-cyl FWD · 25 city / 35 hwy

Sources: NHTSA records for the 2021 Mercedes-Benz CLA250 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 7 consumer complaints for the 2021 Mercedes-Benz CLA250. The part named most often is fuel system, with 2 complaints (29% of the total), followed by other or unknown (2) and vehicle speed control (2). Of all complaints, 1 involved a crash, 1 an injury, according to the filers. NHTSA lists 5 recall campaigns and 244 technical service bulletins for this model year. Fuel system complaints overlap with 8 technical service bulletins filed under the same part. Other or unknown complaints overlap with 15 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Fuel system: “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

Other or unknown: “My 2021 CLA 250 that I reached purchased as a used vehicle in the last three months and now is saying SOS unresponsive so in my vehicle where to get a motor vehicle accident, it will not be alerting any emergency personnel authorities and I think it’s really sad the whole fact that Mercedes-Benz has just ran you know a bunch of these vehicles through a bin filter and just because mine isn’t on the recall list even though it’s doing exactly what is one of the main major safety recalls. …”

NHTSA complaint #11759720, filed 2026-08

Vehicle speed control: “Our car has lost power to accelerate on 4 occasions on the highway. The first instance was in October of 2023, the second instance was in November of 2024 (and was brought immediately to the dealership and they said the fix wasn't available yet), the third instance was in March of 2024 and the most recent incident occurred in June of 2024. For example, the car will be moving at a speed of 60 mph and it will suddenly start flashing lights in the car with a warning signal that the car is unable to reserve . …”

NHTSA complaint #11594916, filed 2024-06

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

20222024320252026
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2021 Mercedes-Benz CLA250 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
CLA250 FWD2.0L 4-cyl7-speed automatic253529$2,850

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2021 Mercedes-Benz CLA250 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 244 on record; the latest 10 are shown.

See all 244 bulletins →

Other model years of the Mercedes-Benz CLA250

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20236—0—29—Too new
20217—5—29—Not enough data
20202015,93411—28—Rising
20192335,0006—29—Rising
20184127,0009—2934 · FewerRising
20172839,38110—2943 · TypicalStable
20166737,0008—3074 · MoreStable
20156136,9547—3050 · TypicalStable
201417916,7686—30100 · MoreFalling
2013970,0000———Not enough data
2012765,0000———Not enough data

All Mercedes-Benz CLA250 model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2021 Mercedes-Benz CLA250 have?

NHTSA recorded 7 consumer complaints for the 2021 Mercedes-Benz CLA250 as of Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2021 Mercedes-Benz CLA250 is reported most often?

Fuel system is named most often, in 2 complaints (29% of the total), followed by other or unknown with 2.

Has the 2021 Mercedes-Benz CLA250 been recalled?

NHTSA lists 5 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2021 Mercedes-Benz CLA250 get?

The EPA rates the 2021 Mercedes-Benz CLA250 (CLA250, 2.0L 4-cyl) at 29 mpg combined, 25 city and 35 highway, with an estimated annual fuel cost of $2,850 at 15,000 miles a year. Other engine and drive versions are rated differently.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.