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KLUNK

2015 Mercedes-benz Cla-class

The Verdict

63 Solid Pick

The 2015 Mercedes-benz Cla-class has 157 owner complaints filed with NHTSA. The most reported issues are body (55 complaints) and engine (52 complaints). With a Klunk Score of 63/100, it earns a "Solid Pick" rating. If you're shopping for a Mercedes-benz Cla-class, consider the 2022 model year which has 97% fewer complaints.

Safe Bet

The 2022 has 97% fewer complaints

View the 2022 Mercedes-benz Cla-class dashboard →

63

Klunk Score: Solid Pick

Fewer complaints than most vehicles. Generally dependable, but check the top problems below.

How is this calculated?

The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.

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Under the Hood

Each number is a complaint. Darker = bigger problem.

YearBodyBrakesElectricalEngineTransmission
2014624377515
2015558275215
201624213205
201790954
201814017112
201916191312
202093830
202120120
202231000
202340110

By Category

Body
55
Engine
52
Electrical
27
Transmission
15
Brakes
8

By Severity

1
76
2
70
3
1
4
10

Worst Problems

Complaints

Electrical 2

I came out from work. Got in my car and started it and went to make a three-point turn to go the opposite direction on a quiet back street in the airbag deployed halfway through and blew up in my face, causing my hands to be hurt and difficulty with breathing.

5mo ago
Body 1

Collision Prevention Assist Plus Inoperative Light on the dashboard it appears often and beep I am not sure and why

5mo ago
Body 1

The contact owns a 2015 Mercedes-Benz GLA250. The contact stated that the sunroof panel was tilted on one side and fractured. There were no warning lights illuminated. Upon researching the failure, the contact associated the failure with NHTSA Campaign Number: 19V918000 (Visibility); however, the VIN was not included. The vehicle was taken to the local dealer, who confirmed there was no recall coverage on the VIN for the failure. The dealer provided an unknown diagnosis. The vehicle was not repaired. The manufacturer was contacted and confirmed that the VIN was not under recall. The failure mileage was approximately 85,000.

8mo ago
Body 2

The contact owns a 2015 Mercedes-Benz GLA250. The contact stated that the roof panel had detached and was tilted. The vehicle was taken to the dealer, where an estimate for the repair was provided. The contact related the failure to NHTSA Campaign Number: 21V197000 (Structure), but the dealer informed the contact that the VIN was not included in the recall. The vehicle was not repaired due to the cost. The manufacturer was not notified of the failure. The failure mileage was approximately 98,000.

8mo ago
Body 2

The contact owns a 2015 Mercedes-Benz GLA250. While the contact's daughter was driving at an undisclosed speed, the rear suspension collapsed. The contact stated that when the failure occurred, the vehicle swerved into the next lane. The contact stated that there were no other vehicles nearby during the failure. The vehicle was towed to the dealer, where it was diagnosed with frame corrosion. The contact was informed that the frame needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 70,000.

8mo ago
Body 2

Mercedes repair shop inspected this car and stated that there is rear-subframe rusting and corrosion. Repair shop states that this is a safety issue. I took it into Mercedes dealer who stated that this VIN is not covered by a 20-year, unlimited-mile rear-subframe warranty (Feb–Mar 2023) for specific models (C/E/GLK/CLS/SLK/SLC/SL). Mercedes extended the warranty on the models where they saw the most repeat failures, in a way that addresses the worst cases (holes) while controlling scope and liability—not an admission of a universal defect across all lines (e.g., GLA), which is why my VIN isn’t in the program.

8mo ago
Body 2

UNKNOWN- The check engine light came on and was taken for a diagnostic test and it returned a P052E code. This indicates a fault in the Positive Crankcase Ventilation Regulator Valve performance. This is a known issue with Mercedes Benz as there has been a recall for all the models except the CLA.

9mo ago
Body 2

I was driving to work on Thursday, September 11th. Suddenly, I heard a loud noise like an explosion. Upon checking, I saw that my sunroof had exploded, shattering glass everywhere. The loud noise startled me, causing me to almost have an accident. I managed to pull over, check my vehicle, and drive it back home. I've contacted my insurance company and documented the damage with photos.

10mo ago
Electrical 1

The contact owns a 2015 Mercedes-Benz GLA250. The contact stated that while driving at an undisclosed speed, the SRS warning light illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the steering control module. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 180,000.

11mo ago
Engine 1

The contact owns a 2015 Mercedes-Benz GLA 250. The contact stated that occasionally, while driving at various speeds, the vehicle experienced a loss of automotive power. The check engine warning light was illuminated. The contact stated that the failure had progressed. The vehicle was taken to a local independent mechanic, where it was diagnosed and DTC: P052E71; was retrieved. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The contact related the failure to an undisclosed recall; however, the VIN was not included. The manufacturer was made aware of the failure. The failure mileage was approximately 90,000.

11mo ago
Engine 4

The contact owns a 2015 Mercedes-Benz CLA250. The contact stated that the air bag warning light was illuminated. The contact stated that the vehicle was previously involved in a collision, in which another vehicle crashed into the passenger's side of the vehicle, causing damage to the frame and headlights; however, the air bags failed to deploy. The contact sustained soreness in the neck and back and received medical assistance. A police report was filed, but the contact did not have the police report information available. Additionally, the contact stated that while driving at 65 MPH, the vehicle stalled. The contact pulled to the shoulder of the road. The vehicle was able to restart; however, the failure recurred several times while driving. The contact related the failure to NHTSA Campaign Number: 15V662000(Engine and Engine Cooling). The contact stated that the vehicle had leaked excessive oil onto the ground. The contact stated that the vehicle had failed to start while pressing the Push to Start button. The vehicle was taken to the dealer, where the contact was informed that she would need to pay a fee for diagnostic testing. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the vehicle. The failure mileage was approximately 80,000.

11mo ago
Engine 2

Check Engine Light - Code P052E71 - Positive Crankcase Ventilation Valve Performance. The component failure can lead to increased exhaust gas emission, oil leaks, and internal engine damage resulting in unsafe operation. Yes, the problem has been confirmed by an independent certified service center. This specific vehicle has not been inspected by the manufacturer, but this specific problem has been identified in other similar Mercedes-Benz years, make, and models. MBUSA LLC is only willing to apply the EMISSION EXTENDED WARRANTY to certain models within a certain model year, even though the design and engine components are nearly identical if not the same. My vehicle is the same model year and class, but a different model type and not included in the EMISSION EXTENDED WARRANTY. Repair cost can be in excess of $2,000 if not covered under the added warranty.

12mo ago
Engine 1

Check engine light on my 2015 MB GLA250 4matic came on and the error is "P052E PCV Regulator Valve Performance". There is a recall for other MB vehicle with the same engine. I believe the 2015 Mercedes-Benz GLA250 and other models with the same engine should be included in the recall.

12mo ago
Engine 2

I have a 2015 Mercedes benz GLA 250 showing code P052E There’s a TSB (MC‑10241531‑0001) and (LI01.20-P-076894 )covering intake‑line assemblies on similar M270‑engine models. Based on these two service bulletin kindly assist with extended emissions warranty

12mo ago
Body 2

Mercedes subframes that prematurely rust or deteriorate. Mercedes has extended warranty for the mentioned parts on some models. But clearly it is not enough because more models have the same issues. This is a serious safety issues and Mercedes should have taken more responsibility.

16mo ago
Transmission 1

In November 2024, while at a stop, the car shut off. A few weeks later, while driving the car over speed tables/humps, the car shifted from drive into neutral. No warning or error lights appeared on the dashboard. It just showed that the car was now in neutral. I was able to shift back into drive and continue. Fortunately, I was in a residential neighborhood, going about 10 miles per hour and had only one car behind me. This happened again in December, with the same scenario and on the same road, so I took the car to the dealer. They did a diagnostic and was not able to duplicate the problem, but said there were some error codes and it could possibly be the starter, auxiliary battery or transmisson service, since I had not done one. They also stated there was a Coolant Thermostat electrical fault code. They scheduled me to come back in January 2025 since I needed a loaner car. They kept my car for a couple of days to do a more detailed diagnostic. In the end they replaced the auxiliary battery and did a transmission service because they could not replicate the problem. Said that there was nothing in the transmission fluid of concern and, the starter code had not returned. Stated that it could have been an electrical fluke. No other codes were showing. They did say that some time in the future I would need a coolant thermostat. Car ran well for a few weeks and then in February 2025, going over the same road with speed humps, the car went into neutral. The car has been in the shop for the last 7 days and they are trying to figure out what is happening. I am submitting this because I found many other people posting on forums about having the same issue. My concern is what will happen if my car moves into neutral while I am going at a high speed. It puts me, my family and others lives in danger if my car stops suddenly.

17mo ago
Engine 2

Same part had been recalled from all other models but not my model. It's the same part being used across Mercedes and they won't sale the valve and force customers like me there are thousands other to spent $2700 plus to replace whole system. Should have been recalled since it's same valve that may be using across all vehicles. Failed the emission test which is a big problem they should have addressed.

17mo ago
Engine 2

They had recall of this part which is valve in all other models except for this one. My vehicle failed VEIP test due to faulty valve and required assistance from the dealer but they refused to provide solutions and asked to pay $2700 and $230 diagnosis fee when we already had code which showed which part and which is recalled in all other Mercedes vehicles with 150000 milage warranty. We cannot just replace valve they are forcing to replace whole assembly causing problems for many owners like me. My vehicle has only 36k milage. If same valve is faulty which creates environmental hazard that should be recalled in all models from same manufacturer Instead of forcing ripping customers with high cost and environmental risk.

18mo ago
Engine 1

Car smell like fuel possibly fuel injectors or fuel line… recall on 2016-2021 models but 2015 having same issue Blind spot assist says inoperative Mercedes changed sensors multiple times still says inoperative

19mo ago
Engine 1

The contact owns a 2015 Mercedes-Benz CLA250. The contact stated that the vehicle was taken to a local dealer and the vehicle starting very rather slowly. The vehicle was diagnosed however, no cause for the failure was found. The contact stated that the vehicle operated normally; however, the following day while driving approximately 50 MPH, the vehicle started to lose automotive power. The contact pulled over to the side of the highway until the vehicle came to a complete stop. The contact attempted to restart the vehicle; however, the vehicle failed to start. The vehicle was towed to the residence. The vehicle was inspected by two independent mechanics however, the contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 124,000.

19mo ago

157 total

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