Problem Lookup โบ Mercedes-Benz โบ CLA-Class โบ 2019
Car problem report
2019 Mercedes-Benz CLA-Class problems, recalls and owner complaints
What the 2019 Mercedes-Benz CLA-Class has been recalled for, how often it fails the UK MOT and what owners report, from official government data. Updated October 25, 2026.
- 0safety recalls
- 53owner complaints
- 4crash reports
- 0fire reports
- 16%fail the UK MOT
53 complaints, against an average of 43 for the other 13 Mercedes-Benz CLA-Class model years.
Every Mercedes-Benz CLA-Class model year with its number of owner complaints. Pick a year to compare.
What goes wrong with the 2019 Mercedes-Benz CLA-Class?
The components named most often in the 53 owner complaints. One complaint can name several, so the shares can add up to more than 100%.
What symptoms do 2019 Mercedes-Benz CLA-Class owners describe?
Found by reading the text of all 53 owner complaints. Tap a symptom for the answer, a real owner quote and any related recall.
Has the 2019 Mercedes-Benz CLA-Class been recalled?
NHTSA lists no safety recalls for the 2019 Mercedes-Benz CLA-Class as of October 25, 2026. Recalls can be issued at any time, so check your VIN before you rely on this.
Is the 2019 Mercedes-Benz CLA-Class recalled in the UK or Europe?
Recalls issued by the UK's DVSA and through the EU's Safety Gate system that cover this model and build period. European models can differ from U.S. ones, and "years estimated" means the recall gave no build dates, so confirm your own car with your registration or VIN.
UK DVSASRPC2404 โ Backup function of steering software
Risk: On affected vehicles the backup function of the steering software might not meet specifications. As a result the steering power support might be impaired and a loss of steerability cannot be ruled out.
Fix: Update the software of the electric steering on the affected vehicles.
UK DVSAA particle in the fuel rail might lead to a leak between the fuel rail and the injector
Risk: A particle in the fuel rail might lead to a leak between the fuel rail and the fuel injector.
Fix: Replace the fuel rail and fuel injectors on the affected vehicles.
UK DVSABolting on brake caliper housing might not meet specifications
Risk: The bolting on the brake caliper housing might not meet torque specifications.
Fix: Check and if necessary rework the bolting of the brake caliper housings on the affected vehicles.
UK DVSAThe behaviour of the emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAThe behaviour of the emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAThe behaviour of the emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAVehicles with a panoramic sunroofthe polycarbonate panel may not have been bonded correctly during a prior service repair
Risk: The polycarbonate panel located between the windshield and the panoramic sunroof may not have been bonded correctly during a prior service repair.
Fix: Remove the bonded panel and install a new polycarbonate panel if required.
UK DVSAThe bolting of a side crash sensor might not meet specifications
Risk: The bolting of a side crash sensor may not meet specifications.
Fix: Check the bolting of the side crash sensor on the affected vehicles and rework it if necessary.
UK DVSAThe behaviour of the emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAThe behaviour of the emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAThe behaviour of the emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAThe behaviour of the emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAThe behaviour of the emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAThe behaviour of the emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAThe emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAThe behaviour of the emergency call system might not meet specifications
Risk: The behaviour of the emergency call system might not meet specifications.
Fix: Update the software of the communication module for the emergency call system.
UK DVSAThe variant of spark plugs installed may not meet specifications
Risk: The variant of spark plugs installed may not meet specifications.
Fix: Replace the spark plugs on the affected vehicles.
UK DVSAThe communication module may be deactivated
Risk: The communication module may be deactivated
Fix: Carry out a check of the configuration of the communication module on affected vehicles and if necessary activate the communication module.
UK DVSAAn electrical contact inside the engine control unit may not meet the specification
Risk: An electrical contacting inside the engine control unit might not meet the specification
Fix: Replace the engine control unit on the affected vehicles
UK DVSAVehicles may be filled with the refrigerant r-134a instead of r-1234yf
Risk: The air conditioning system on the affected vehicles might erroneously be filled with the incorrect refrigerant
Fix: Replace the refrigerant in the air conditioning system on the affected vehicles.
UK DVSAThe oil supply line of the turbocharger may leak
Risk: The oil supply line of the turbocharger might leak
Fix: Check the oil supply line of the turbocharger on the affected vehicles and replace it if necessary
UK DVSAThe emergency call system (ecall) does not meet the specification
Risk: On affected vehicles the software of the communication module for the emergency call system does not meet the specification
Fix: Update the software of the communication module for the emergency call system
UK DVSAThe mounting of the gas line to the gas generator of the inerter system may not meet specifications
Risk: The mounting of an argon gas line to generator of the inerter system might not meet specifications.
Fix: Check the mounting of the gas line to the gas generator on the affected vehicles and rework it if necessary.
UK DVSAThe four locknuts securing the air bag might be missing
Risk: Certain driver airbag modules might not be bolted onto the base plate.
Fix: Check the driver airbag on the affected vehicles and replace it if necessary.
UK DVSAThe software of the radar control unit may not meet specification
Risk: ; The software of the radar control unit might not meet the specification
Fix: Update the software of the radar sensor control unit on the affected vehicles.
UK DVSAThe software of the transmission control unit might not meet specification.
Risk: Under certain circumstances it might not be possible to shift into Drive or Reverse mode.
Fix: Update the transmission control unit software of the affected vehicles.
EU Safety GateThe steering software may not correctly activate the fallback level in the event of a hardware failure.This could affect the power steering assistance and lead to the loss of steering capacity, increasing the risk of an accident.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Update of the electric steering software; Date of entry into force: Unknown; Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
EU Safety GateDue to a defect in the high fuel pressure manifold the engine might be damaged.This may lead to reduced engine power and to inability to start the vehicle, increasing the risk of an accident.
Measures: Type of economic operator taking notified measure(s): Importer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
EU Safety GateImproper torque of the screws on the brake caliper housing can cause the screw connections to become loose.As a result, the braking performance would be reduced and components of the brake caliper may be lost, increasing the risk of accidents.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
EU Safety GateA trapped particle may damage the sealing between the fuel rail and fuel injector, which could cause fuel to leak into the engineโฆA trapped particle may damage the sealing between the fuel rail and fuel injector, which could cause fuel to leak into the engine compartment. Consequently, leaking fuel may come into contact with hot parts of the engine, increasing the risk of fire.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
EU Safety GateOne of the lateral crash sensors is not attached correctly and may not record correct values in the event of a side-impact crash.As a result the lateral airbag may not be properly inflated, increasing the risk of injury to the occupants.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
EU Safety GateThe polycarbonate roof panel located between the windscreen and the panoramic roof may not have been bonded correctly to the vehicleโฆThe polycarbonate roof panel located between the windscreen and the panoramic roof may not have been bonded correctly to the vehicle during a prior repair. In such cases, the adhesive bonding could gradually deteriorate and the panel could become detached from the vehicle, posing a risk to other road users.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
EU Safety GateThe oil-supply pipe on the turbocharger may leak.As a result, engine oil could leak onto the under-body paneling and from there onto the road, posing a risk to the following traffic.Moreover, leaking engine oil might come into contact with hot components in the engine compartment, increasing the risk of fire.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
EU Safety GateA fuel pipe connection of the inerting system may be defective.As a result, it may allow fuel to leak out in the event of an accident, increasing the risk of fire.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
EU Safety GateThe four self-locking nuts used to attach the airbag might not have been correctly tightened.As a result, in the event of an accident in which the airbag was deployed, it could become detached from its base plate, failing to provide its restraining effect and increasing the risk of injuries.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
EU Safety GateA bolt in the locking mechanism of the articulated trailer coupling is defective.It could break while a trailer is being towed and consequently the trailer could detach, thus increasing the risk of an accident for following traffic.
Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown
How often does the 2019 Mercedes-Benz CLA-Class fail its MOT?
Why they failed: the share of failed tests with at least one fault in each area (a test can fail on several). Cars first registered in 2019, tested in Great Britain in 2023; first registration is usually, but not always, the model year. Source: DVSA anonymised MOT tests and results, Open Government Licence v3.0.
What do 2019 Mercedes-Benz CLA-Class owners report?
12 of the 53 complaints, the most recent for the most-reported components, as the owners wrote them. NHTSA removes names and VINs; long reports are trimmed. CarHooq has not verified individual claims.
To Whom It May Concern, I am writing to file a formal safety complaint regarding my 2019 Mercedes-Benz CLA250 involving a leaking fuel rail that caused the vehicle to shut down and become unsafe to operate. The failure of the fuel rail resulted in a fuel leak and engine shutdown. A failure within the fuel delivery system presents a serious safety concern, as it can cause sudden loss of power while driving and poses a potential fire hazard if fuel comes into contact with hot engine components. During the repair process, I was informed that the necessary replacement component, Fuel Rail Partโฆ
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 (240)277.9752
The emergency braking system keeps coming on every time I go to drive, my car automatically shifts into neutral gear when driving and I have an error message saying that I canโt reverse. My seat will Not go further back and I have an air bag issue light
The contact owns a 2019 Mercedes-Benz GLA 250. The contact stated that while driving at an undisclosed speed, the transmission inadvertently shifted to neutral(N), causing a loss of drive power. The check engine warning light was illuminated, and the message "See Dealer" was displayed. The vehicle was restarted and driven to the residence. The vehicle was not yet diagnosed or repaired by an independent mechanic or dealer. The contact related the failure to NHTSA Campaign Number: 21V033000 (Power Train); however, the VIN was not included in the recall. The manufacturer was made aware of theโฆ
The contact owns a 2019 Mercedes-Benz GLA250. The contact stated that while driving at approximately 70 MPH, several unknown warnings illuminated on the instrument cluster. The contact stated that upon depressing the accelerator pedal, the vehicle failed to respond while the engine revved. The contact pulled over to the side of the road and turned the vehicle off. Upon restarting the vehicle, no warning light was illuminated. The contact was able to drive to the destination without further incidents. The contact stated that the vehicle had been experiencing the failure intermittently. Theโฆ
My 2019 Mercedes-Benz CLA 250 has become unsafe to drive due to strong gasoline fumes filling the cabin. The smell is overwhelming and makes it difficult โ and frankly dangerous โ to sit in the vehicle for more than a few minutes without feeling lightheaded. I have since learned that this issue is part of a known defect covered under NHTSA Recall #21V961, which affects 2016โ2020 CLA 250 models for a fuel leak and potential fire hazard. Despite the recall directly describing this exact problem โ fuel vapors entering the passenger compartment โ I was told that Mercedes-Benz will not cover theโฆ
The contact owns a 2019 Mercedes-Benz GLA250. The contact stated that while driving at various speeds, there was an abnormal fuel odor entering the cabin of the vehicle. The contact stated that while the vehicle was started, the abnormal fuel odor was also on the outside of the vehicle. The vehicle was taken to a local independent mechanic, where it was diagnosed; however, the mechanic was unable to determine the cause of the failure. The contact stated that the vehicle was taken to several other independent mechanics; however, the failure could not be replicated. The local dealer wasโฆ
My turn signals are not working and warnings are showing up on my dashboard. My pillars are both wet on the drivers side and passenger side. My speed odometer and tachodometer are not working. The dash board iis showing the brake and high beams are on but they aren't on. I have fog on the front window when I get in the car. This situation is of major concern for my safety. I am not certain that the air bags would work? I refuse to drive this vehicle. I called Mercedes Benz in Wilmington, NC and I can't get an appointment until October 13th. I see in the Mercedes Benz recall that the sun roofโฆ
The contact owned a 2019 Mercedes-Benz CLA250. The contact stated while driving at approximately 55 MPH when the contact was cut off by another vehicle, the contact stated that he depressed the brake pedal in a panic stop. The contact stated that he was crashed into the rear end of his vehicle by a vehicle from behind and was pushed into the rear of the vehicle that had cut him off. The contact stated that the force of the crash turned the vehicle off. The contact stated that the front end of his vehicle, the hood, grill, and lights were crushed and crumpled back to the front wheel wells. Theโฆ
The rims of the Mercedes continually crack with moderate low speed driving. Has happened 4 to 5 times with under 50,000 miles, leaving me with constant flat tires, once on the George Washington bridge and once at night in a deserted area with zero warning. Luckily, I was able to remove my vehicle to the side. I was towed to Mercedes and they suggested changing out all 4 tire rims without a warranty as will happen again. VERY EXPENSIVE. The coupe models have this problem after 2019. Material for rims came from China, not Germany. I found a good rim repair shop and have done 4 times. He said heโฆ
The contact owns a 2019 Mercedes-Benz GLA250. The contact stated while driving 30 MPH, the vehicle lost power steering functionality and the vehicle independently turned off. The contact pulled over to the side of the road and restarted the vehicle. Several unknown warning lights were illuminated. The vehicle was diagnosed by an independent mechanic. The contact was informed that the front driverโs side wheel speed sensor needed to be replaced. The wheel speed sensor was replaced; however, the failure recurred. The manufacturer was made aware of the failure and determined that the VIN was notโฆ
AT 48000 MILES (TPMS) Tire Pressure Monitoring Sensor MALFUNCTION CAUSE AIR VALVE TO BLOWN OUT FROM FROM TIRE AT 65 MILE/HR ON BUSY INTERSTATE WHICH CAUSE VEHICLE TO VEER INTO BUSY TRAFFIC BARELY AVOIDING ACCIDENT MERCEDES NEEDS TO INVESIGATE WHY TMPS FAIL AT 65MI/HRS AND WHILE AIR VALUE BLEW OUT FROM TIRE AND RUN FLAT TIRE BECOME FLAT ON HIWAY
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2019 Mercedes-Benz CLA-Class: questions owners ask
Is the 2019 Mercedes-Benz CLA-Class reliable?
NHTSA data alone cannot rate reliability, but it shows what owners reported. Owners filed 53 complaints with NHTSA about the 2019 Mercedes-Benz CLA-Class; the most common categories were power train (13, 24.5%), engine (7, 13.2%), air bags (6, 11.3%). There are no safety recalls listed for this model year. 4 complaints mention a crash, 4 injuries were reported.
What are the most common problems with the 2019 Mercedes-Benz CLA-Class?
Across 53 owner complaints filed with NHTSA, the categories mentioned most often are power train (24.5% of complaints), engine (13.2% of complaints), air bags (11.3% of complaints), steering (9.4% of complaints), electrical system (7.5% of complaints). One complaint can name several components.
Does the 2019 Mercedes-Benz CLA-Class have any recalls?
As of October 2026, NHTSA lists no safety recalls for the 2019 Mercedes-Benz CLA-Class. Recalls can be issued at any time, so check your VIN at nhtsa.gov/recalls.
Why does my 2019 Mercedes-Benz CLA-Class smell of fuel or gas?
7 of the 53 owner complaints NHTSA has on file for the 2019 Mercedes-Benz CLA-Class (13.2%) describe a fuel or gasoline smell, or a fuel leak. One owner wrote: "To Whom It May Concern, I am writing to file a formal safety complaint regarding my 2019 Mercedes-Benz CLA250 involving a leaking fuel rail that caused the vehicle to shut down and become unsafe to operate." (NHTSA complaint 11723718, March 2026). If it happens to your car, check your VIN for open recalls at nhtsa.gov/recalls and report the problem to NHTSA; complaints are what trigger investigations.
Why is the check engine light on in my 2019 Mercedes-Benz CLA-Class?
6 of the 53 owner complaints NHTSA has on file for the 2019 Mercedes-Benz CLA-Class (11.3%) describe the check engine light coming on. One owner wrote: "Nov 29, 2024. Check engine light goes on. Took it to the dealership and says P052E-71, crank ventilation malfunction, first they said it was on recall now they say it isnโt so Mercedes Benz of Huntington does not want to repair it." (NHTSA complaint 11640643, February 2025). If it happens to your car, check your VIN for open recalls at nhtsa.gov/recalls and report the problem to NHTSA; complaints are what trigger investigations.
Why does my 2019 Mercedes-Benz CLA-Class stall, lose power or shut off while driving?
3 of the 53 owner complaints NHTSA has on file for the 2019 Mercedes-Benz CLA-Class (5.7%) describe the engine stalling, losing power or shutting off while driving. One owner wrote: "To Whom It May Concern, I am writing to file a formal safety complaint regarding my 2019 Mercedes-Benz CLA250 involving a leaking fuel rail that caused the vehicle to shut down and become unsafe to operate." (NHTSA complaint 11723718, March 2026). If it happens to your car, check your VIN for open recalls at nhtsa.gov/recalls and report the problem to NHTSA; complaints are what trigger investigations.
Check your own CLA-Class
Counts are a starting point, not a verdict: popular models collect more complaints because more of them are on the road, and NHTSA does not verify individual reports. To see whether a recall is still open on your car, enter your VIN at nhtsa.gov/recalls (U.S.) or your registration at check-vehicle-recalls.service.gov.uk (UK). Had a safety problem? Report it to NHTSA; complaints are what trigger investigations and recalls.
Data: NHTSA Office of Defects Investigation recall and complaint databases (public domain), DVSA anonymised MOT results (Open Government Licence v3.0), DVSA vehicle recalls (Open Government Licence v3.0), EU Safety Gate alerts (© European Union), retrieved October 25, 2026. Model year 2019 only.