Common problems
Mercedes-Benz GLA common problems and reliability issues
Honest rundown of the most common Mercedes-Benz GLA faults, what to watch for, and how to keep one running well.
Updated 4th September 2026 DVSA data: Across 90,019 recorded MOT tests, 14.2% failed.
More on the Mercedes-Benz GLA
TL;DR
The Mercedes-Benz GLA is a stylish compact SUV but has common issues, particularly in earlier models. Engine problems, transmission roughness, and electrical faults are reported. Later models from 2018 onwards are generally more reliable, making them a better choice for potential buyers.
Engine Problems
The Mercedes-Benz GLA has been known to experience several engine-related issues. Models from 2014 to 2016 often report oil leaks, which can lead to more serious problems if not addressed. Turbocharger failures have also been noted, particularly in the GLA 220d variant. Regular maintenance is crucial to avoid these issues, as addressing them early can prevent costly repairs.
Transmission Issues
The GLA’s 7-speed dual-clutch transmission, especially in models produced between 2014 and 2017, has been linked to rough shifting. Owners have reported hesitation during acceleration and difficulties in changing gears. It is advisable to check the transmission’s performance during a test drive, as software updates can sometimes alleviate these issues.
Suspension Concerns
Suspension problems can arise, particularly in older models. Owners have reported issues with the front suspension struts and rear shock absorbers wearing out prematurely, affecting ride comfort and handling. Inspecting the suspension during a pre-purchase check is recommended, and replacing worn components with higher-quality aftermarket parts can improve longevity.
Electrical Faults
Electrical issues are another area of concern for the GLA. Problems with the infotainment system, including screen freezing and connectivity issues, have been reported, especially in the 2015 model year. Some owners have experienced battery drain, leading to starting problems. A thorough check of the electrical system is advisable, as these faults can indicate deeper wiring issues.
Recalls and Safety Issues
The GLA has been subject to several recalls, including faulty fuel pumps that can lead to engine stalling and airbag malfunctions. Checking the vehicle’s recall history is essential to ensure all necessary repairs have been completed. Owners should verify that any recall work has been documented, as this can affect the vehicle’s resale value.
What people are asking
Do Mercedes GLA have issues?
Yes, the GLA has reported various issues, particularly in earlier models, including engine and transmission problems. Buyers should be aware of these potential faults and consider having a thorough inspection done before purchasing.
Is a Mercedes GLA a good car to buy?
The GLA can be a good car for those seeking a stylish compact SUV, but potential buyers should be aware of its common issues. Many owners appreciate its design and features, but some have expressed concerns over reliability, particularly with older models.
Is GLA expensive to maintain?
Maintenance costs for the GLA can be higher than average due to its premium parts and servicing requirements. Owners have noted that while routine maintenance is essential, unexpected repairs can also add to the overall cost of ownership.
What is the most reliable year of GLA?
Generally, later models, particularly from 2018 onwards, are considered more reliable than earlier versions. Owners in UK communities have indicated that these models tend to have fewer reported issues and better overall performance.
What owners say
They often recommend opting for later models to avoid these problems. Many owners of the Mercedes-Benz GLA have shared their experiences on forums and community discussions. Reliability is a common theme, with some owners expressing disappointment in the performance of earlier models, especially regarding engine and transmission issues.
Common faults highlighted by owners include electrical issues, particularly with the infotainment system. Some have suggested that regular software updates can help mitigate these issues. Users have reported frustrations with screen freezing and connectivity problems, which can detract from the driving experience.
Value is another topic of discussion among GLA owners. Many feel that while the initial purchase price may be justified by the luxury branding, the cost of maintenance and repairs can be a burden. Discussions have revealed that some owners experience buyer’s remorse, particularly if they encounter significant issues shortly after purchase.
What to avoid is also a frequent topic. Buyers in UK communities have flagged certain model years, particularly those from 2014 to 2016, as ones to approach with caution due to the prevalence of reported problems. It is advisable for potential buyers to do thorough research and consider a pre-purchase inspection to ensure they are making a sound investment.
Mercedes-Benz GLA recall record
44 recalls have been issued for the Mercedes-Benz GLA, between 2015 and 2025.
SRPC2515 - Short-range sensor front
R/2025/439Issued 13 November 2025
Mercedes-Benz AG has determined that on certain A-Class (177 platform) C-Class (206 platform) EQA (243 platform) GLA (247 platform) GLC (254 platform) EQE (295 platform) V-Class (447 platform) and G-Class (465 platform) vehicles the circuit board of the front short-range sensor might not meet specifications.
Remedy:As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will replace the short-range sensor on the affected vehicles
Affects cars built May 2025 to May 2025
SRPC2415 - Sealing Ring of Exhaust Manifold
R/2024/392Issued 18 October 2024
On affected vehicles the sealing ring between the exhaust manifold and turbocharger might be missing.
Remedy:Retrofit the sealing ring on the affected vehicles.
Affects cars built May 2023 to May 2023
SRPC2404 – Backup function of steering software
R/2024/166Issued 6 May 2024
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.
Remedy:Update the software of the electric steering on the affected vehicles.
Affects cars built Jun 2019 to Jan 2024
On affected vehicles the panel located between the windshield and the panoramic sunroof might not have been bonded correctly during a prior service repair.
R/2024/024Issued 7 February 2024
On affected vehicles the panel located between the windshield and the panoramic sunroof might not have been bonded correctly during a prior service repair.
Remedy:Check the front fixed element of the panoramic sliding sunroof and replace if necessary.
Affects cars built Dec 2014 to Apr 2016
40 older recalls not shown.
A recall applies to a build range, not to every car of this model. Check a registration to see whether one specific vehicle has an outstanding recall.
Mercedes-Benz GLA MOT record
From 90,019 recorded MOT tests, 14.2% failed.
| Registered | Tests | Failed | Median mileage |
|---|---|---|---|
| 2023 | 215 | 3.7% | 18,448 mi |
| 2022 | 4,657 | 6.8% | 22,662 mi |
| 2021 | 8,536 | 6.8% | 31,591 mi |
| 2020 | 8,786 | 8.6% | 33,874 mi |
| 2019 | 16,435 | 12.4% | 41,634 mi |
| 2018 | 16,179 | 15.2% | 50,733 mi |
| 2017 | 12,609 | 17.4% | 60,024 mi |
| 2016 | 10,476 | 19.5% | 69,627 mi |
Most common reasons for failure
- Tyre tread depth not in accordance with the requirements33.9%
- A tyre seriously damaged26.1%
- a brake lining or pad worn below 1.5mm16.8%
- Brake disc or drum excessively weakened, insecure or fractured12.0%
- A suspension joint dust cover missing or no longer prevents the ingress of dirt etc11.3%
Figures cover every Mercedes-Benz GLA tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.
Mercedes-Benz GLA official figures
Median across 14 variants on sale, diesel, electricity / petrol, petrol, petrol electric.
- Combined economy
- 41.7 mpg
- WLTP median across variants
- CO2 emissions
- 161.5 g/km
- Sets the first-year tax rate
- Electric range
- 43 miles
- Manufacturer WLTP figure
Official figures for new cars. Real economy varies with driving, load and conditions.
Frequently asked questions
What are the most common engine problems in the Mercedes-Benz GLA?
Common engine issues include oil leaks and turbocharger failures, particularly in models from 2014 to 2016.
Are there any known transmission issues?
Some GLA models, especially those with the 7-speed dual-clutch transmission (2014-2017), may experience rough shifting.
What electrical faults should I look for?
Electrical issues can arise, including problems with the infotainment system and battery drain, particularly in 2015 models.
How reliable is the Mercedes-Benz GLA?
Overall reliability is decent, but specific model years may have more reported issues, particularly early models.
Have there been any recalls for the GLA?
Recalls are issued against individual vehicles rather than a model as a whole, so a model-level yes or no would be guesswork. Enter the registration on Honest Car Check and we check the DVSA record for that specific car. Where DVSA holds no status, confirm it with a franchised dealer using the VIN.
Do Mercedes GLA have issues?
Yes, the GLA has reported various issues, particularly in earlier models, including engine and transmission problems.
Is a Mercedes GLA a good car to buy?
The GLA can be a good car for those seeking a stylish compact SUV, but potential buyers should be aware of its common issues.
Is GLA expensive to maintain?
Maintenance costs for the GLA can be higher than average due to its premium parts and servicing requirements.
What is the most reliable year of GLA?
Generally, later models, particularly from 2018 onwards, are considered more reliable than earlier versions.
Sources
- DVSA anonymised MOT tests and results (Open Government Licence v3.0)
- VCA new car fuel consumption and emissions data (Open Government Licence v3.0)
- DVSA vehicle safety recalls (Open Government Licence v3.0)