Mercedes-Benz CLA250 Engine Problems
Owners have filed 120 complaints with NHTSA about engine problems on the Mercedes-Benz CLA250 across 12 model years. The 2014 model year has the most (66). The words owners use most often: “pre safe” (15% of reports).
- 120engine complaints
- —median miles at failure
- 1mention a crash
- 1mention an injury
- 2related recalls
- 39%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Pre safe: mentioned in 18 of 120 complaints (15%)
- Functions limited: mentioned in 12 of 120 complaints (10%)
- Crankcase ventilation: mentioned in 9 of 120 complaints (8%)
- See manual: mentioned in 8 of 120 complaints (7%)
At what mileage do engine problems happen?
Based on 74 complaints that reported the odometer reading.
How serious are the reports?
Of 120 complaints, 1 mention a crash, 1 a fire, 1 an injury.
Mercedes-Benz CLA250 engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2024 CLA250 | 1 | 50% | — |
| 2023 CLA250 | 1 | 17% | — |
| 2021 CLA250 | 1 | 14% | — |
| 2020 CLA250 | 4 | 20% | — |
| 2019 CLA250 | 4 | 17% | — |
| 2018 CLA250 | 6 | 15% | 118,000 |
| 2017 CLA250 | 4 | 15% | 52,729 |
| 2016 CLA250 | 15 | 23% | 40,000 |
| 2015 CLA250 | 14 | 23% | 34,046 |
| 2014 CLA250 | 66 | 37% | 14,000 |
| 2013 CLA250 | 1 | 11% | 70,000 |
| 2012 CLA250 | 3 | 43% | 77,000 |
When owners reported it
Related recalls (2)
Electrical system:starter assembly; engine and engine cooling:engine
Model years: 2015, 2016, 2017
Problem: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2017 C300 4Matic, C300, CLA250, CLA250 4Matic and CLA45 AMG vehicles, 2017 C300 4Matic Cabrio, C300 4Matic Coupe, C300 Cabrio, C300 Coupe, E300, E300 4Matic, E400 4Matic Wagon, E43 AMG 4Matic, GLA250, GLA250 4Matic and GLC300 4Matic Coupe vehicles and 2016 C350e and GLC300 vehicles and 2016-2017 C450 4Matic AMG Sport and GLC300 4Matic vehicles. In the event that the engine or transmission cannot turn over, the starting current limiter may overheat from the repeated attempts of the starter motor attempting to start the vehicle.
Risk: If the starting current limiter overheats, the surrounding components can melt, increasing the risk of a fire.
Fix: MBUSA will notify owners, and dealers will install an additional fuse in the electrical line to the starter, free of charge. The recall began August 31, 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017080002.
Engine and engine cooling:engine
Model years: 2015
Problem: Mercedes-Benz USA, LLC (Mercedes-Benz) is recalling certain model year 2015 CLA250, CLA250 4Matic, GLA250, GLA250 4Matic, and 2016 SLK300 roadster vehicles manufactured July 17, 2015, to August 31, 2015. The affected vehicles have intake or exhaust camshafts whose welds may fail and possibly cause engine damage.
Risk: Engine damage may result in a stall, increasing the risk of a crash.
Fix: Mercedes-Benz will notify owners, and dealers will replace the affected camshafts, free of charge. Interim notices were mailed to owners on December 9, 2015. The recall began on December 23, 2015. Owners may contact Mercedes-Benz customer service at 1-800-367-6372. Mercedes-Benz's number for this recall is 2015100006.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The turbo and turbo charger is going out on my car
This vehicle has suffered from persistent, substantial, and uncorrected defects, including but not limited to failures in the 48V mild-hybrid electrical system, lithium-ion battery system, DC/DC converter and coolant system. These defects have substantially impaired the vehicleâs use, value and…
The contact owns a 2014 Mercedes-Benz CLA-Class. The contact stated that upon approaching the vehicle, she discovered that the driver's side window was shattered. The sunroof was brown, and there was a hole in the dashboard showing the engine. The contact stated that the vehicle had caught fire…
Corrosion of the fuel system (on a Flex Fuel rated vehicle that had used E85 blend regularly) causing sudden loss of power, misfires, lack of acceleration The vehicle experience sudden loss of power, multiple misfires, and potential damage to the engine. Had the vehicle been on the highway or…
JUST PAID $4,154.67 TO HAVE MY 2019 MERCEDES CLA 250, WITH JUST 46,222 MILES, ENGINE REPAIRED. * REPACE FUEL INJECTOR SEALS/ORINGS $1,462.80 *REPLACE ALL 4 FUEL INJECTORS $2,512.62 SO, PLEASE TELL WHY THERE IS NO RECALL ON MY CAR????? MARK BOULTINGHOUSE [redacted]
Frequently asked questions
Do all Mercedes-Benz CLA250s have engine problems?
No. NHTSA has 120 owner complaints about engine for the Mercedes-Benz CLA250. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Mercedes-Benz CLA250 engine?
Yes: 2 safety recalls list engine. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
What do owners say about engine problems on the Mercedes-Benz CLA250?
The most frequent phrase is “pre safe”, in 18 of 120 complaints, followed by “functions limited” (12).
See all Mercedes-Benz CLA250 problems.