fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
12,582 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2014 Mercedes-Benz CLA250 drivetrain problems

drivetrain problem

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2014 Mercedes-Benz CLA250 Owner Comments

problem #10

Apr 012016


  • 40,000 miles


The contact owns a 2014 Mercedes-Benz Cla250. While driving 25 mph, the vehicle lost power. The accelerator pedal was depressed, but the vehicle failed to accelerate. The brake, ESC, and multiple warning lights illuminated. The vehicle was taken to a dealer, but the contact was unsure about what part was replaced. The vehicle was repaired, but the failure recurred. The vehicle was taken back to the dealer who was unable to diagnose or repair the vehicle. The failure persisted. The manufacturer was notified of the failure. The failure mileage was 40,000.

- Madeso, CA, USA

problem #9

Nov 182015


  • 17,796 miles
Bought the cla 250 brand new in 2014, vehicle has now twice gone in to pre-safe mode and inoperative mode while driving. The car switches to neutral as I am driving and then refuses to shift in to drive or reverse leaving me stranded in the streets on two occasion which could have caused two very serious accidents. The car on the second time had to be towed to dealership who could'nt find anything wrong with the car. There solution was more of a guess about a cpu needing to be replaced.

- Wjindermere, FL, USA

problem #8

Jan 062015


  • miles
The pre safe mode has happened 5 times on my cla 250 since I bought the car last January. I think the pre safe mode is not safe at all. All of a sudden, the car just lost power, no any feedback when I stepped the gas pedal, the best thing is the brake still worked. After restarting the car, the car went well but the engine light was on. However, after two days, the engine light was off so I didn't even have a chance to show to the dealer. It's very dangerous to drive this car on high way, especially in traffic jam.

- Houston, TX, USA

problem #7

Dec 312014


  • 13,000 miles


Vehicle's transmission & throttle response is jerky & unpredictable. Rotors went bad at 5,000 miles, beginning to go bad again at 12,000. Numerous unknown interior rattles.windshield wiper completely flew off vehicle while driving in heavy rain - visibility instantly reduced to near-zero. On two occasions, the car displayed "pre-safe functions limited/esp inop" message followed by engine immediately losing power on freeway, which could have ended very badly. Not only is this vehicle of poor quality, it is becoming increasingly dangerous to drive. Seriously considering pursuing state lemon law.

- Brandon, FL, USA

problem #6

Nov 272014


  • 13,322 miles
Pulling out into a busy two lane highway the3 car went into "pre-safe mode." The car stopped accelerating leaving me stranded in front of oncoming traffic. The drive of the other car thankfully was paying attention and hit his brakes. This could have been a very painful incident. Took the vehicle in for service only to find out that Mercedes has no answer to why it is happening. Only a matter of time until a cla 250 owner gets killed. No longer will let my wife drive the vehicle and have demanded that Mercedes take it back. Very disapointed with Mercedes.

- West Islip, NY, USA

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problem #5

Nov 262014


  • 11,000 miles
The contact owns a 2014 Mercedes Cla250. The contact stated that while driving approximately 5 mph, the vehicle hesitated to accelerate. The failure recurred multiple times. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 11,000.

- Orlando, FL, USA

problem #4

Oct 172014


  • 15,200 miles


On October 17, 2014, vehicle 'pre safe functions limited, inoperative' light came on the vehicle while driving on interstate at approximately 50-60 mph. Vehicle would not accelerate so coasted to side of interstate and came to a stop. Tried to accelerate from a stop, car would only move at a few mph and the transmission felt like it was stuck in the highest gear. Turned car off and back on. Problem seemed to reset and was able to drive home. Did not take to dealership for this incident due to reading about others' experience and that dealerships are unable to replicate.

- Baltimore, MD, USA

problem #3

Aug 262014


  • 5,000 miles
I was driving on a main road when suddenly the car shuts off completely. I could not get it to start, nor put it on neutral gear, to at least push it away. A message in red pops up on the screen that says "service required, do not shift gears, visit dealer". I could not push the car at all, because the gear shifted automatically to parking and it won't move to neutral. I was stuck on the main road for 15 minutes. I was lucky not to get hit or run over by the incoming traffic. I caused a panic on the street because I was blocking it. Fortunately, a police car showed up, and the officer helped me by diverting the traffic away from me. I had the car checked two months prior to this incident at the dealer, and they told me that there is nothing wrong with the car, and that they have updated its software to the latest version. I had the car towed back to Mercedes-Benz now, and will wait the results.

- Corvallis, OR, USA

problem #2

Jul 052014

CLA250 4-cyl

  • 7,000 miles
While driving the vehicle loses power and barely has any accelerations. The warning sign said inop see owners manual. I had to pull over, restart car then it was back to normal. This has happened twice at the exact same road. I was at a stop light, made a left turn, drove about half a mile then this started. This is very dangerous!

- Fayetteville, NC, USA

problem #1

Feb 032014


  • 3,500 miles
The contact owns a 2014 Mercedes Benz Cla250. The contact stated that while driving approximately 40 mph, there was a reduction in acceleration power as the 'pre-safe functions not operable' warning message illuminated. The vehicle regained normal operation once it was shut off and restarted. This failure recurred four times over a two month period. The vehicle was taken to an authorized dealer, who reset the software but to no avail. The manufacturer was not notified of the problem. The approximate failure mileage was 3,500.

- Lake Worth, FL, USA

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