Mercedes-Benz A-Class 2008 to 2014: common problems and what to know
What goes wrong on the 2008 to 2014 Mercedes-Benz A-Class, what owners report and what to check before you buy one.
TL;DR
The 2008 to 2014 Mercedes-Benz A-Class has common issues, particularly with its electrics and gearbox. Thoroughly check these areas before purchasing to avoid potential problems.
Key facts callout
- Common problems include electrical faults and gearbox issues.
- Diesel models may experience DPF blockages, especially with short trips.
- General wear and tear can affect suspension and bodywork.
- Owners often report a good driving experience but note potential repair costs.
Engine and gearbox
The 2008 to 2014 A-Class features various engines, including petrol and diesel options. While petrol engines are generally reliable, diesel variants can suffer from diesel particulate filter (DPF) blockages, especially during short trips when the DPF cannot regenerate properly. Gearbox problems are also common, particularly with the automatic transmission, which may not engage smoothly or exhibit erratic behaviour. Test the automatic gearbox thoroughly during a test drive.
Electrics and electronics
Electrical faults are frequently reported by A-Class owners, ranging from minor issues like malfunctioning interior lights to serious problems such as keyless entry failures. Dashboard warning lights may illuminate without cause, so it is advisable to have any electrical issues diagnosed by a professional. The infotainment system, while advanced for its time, can also experience glitches, so ensure all electronic features function correctly before purchasing.
Body and suspension
The A-Class bodywork generally holds up well, but it is crucial to inspect for rust, particularly around the wheel arches and lower doors. While paint quality is typically good, stone chips and scratches can accumulate over time, especially on used models. Suspension issues, though less common, can occur, particularly with the front suspension, leading to a less comfortable ride and uneven tyre wear. Listen for unusual noises when driving over bumps, as this may indicate worn suspension components.
What people are asking
What is the most common problem with Mercedes A-Class? The most common problems include electrical faults, gearbox issues, and DPF blockages.
What are the common problems with the 2008 Mercedes-Benz? Common issues involve electrical gremlins, gearbox malfunctions, and general wear and tear.
What are the common problems with a 2014 Mercedes-Benz? Similar to earlier models, common problems include electrical issues and gearbox concerns, along with potential suspension wear.
What is the best year for Mercedes A-Class? While opinions vary, many consider the later models in this range (2012-2014) to be more refined and reliable.
What owners say
However, many caution potential buyers about repair costs, particularly for electrical and gearbox issues. Regular maintenance is highlighted as crucial for longevity, with some owners recommending a thorough inspection before purchase. The driving experience is often praised, with many appreciating the car’s handling and performance, although the mentioned issues can detract from overall ownership satisfaction. Owner reports suggests that the A-Class is a comfortable and stylish choice, with a premium feel.
Should you buy a 2008 to 2014 Mercedes-Benz A-Class?
The 2008 to 2014 Mercedes-Benz A-Class offers a blend of style, comfort, and performance. However, potential buyers should be aware of common issues, particularly with electrics and the gearbox. If you can find a well-maintained model with a complete service history, it could be a worthwhile purchase. Be prepared for possible repair costs and ensure you conduct a thorough inspection before buying.
Mercedes-Benz A-Class MOT record
From 358,651 recorded MOT tests, 18.1% failed.
| Registered | Tests | Failed | Median mileage |
|---|---|---|---|
| 2023 | 665 | 4.7% | 19,826 mi |
| 2022 | 17,371 | 7.7% | 24,640 mi |
| 2021 | 28,998 | 8.6% | 33,242 mi |
| 2020 | 35,047 | 10.6% | 39,063 mi |
| 2019 | 50,401 | 12.4% | 46,088 mi |
| 2018 | 40,797 | 14.5% | 53,658 mi |
| 2017 | 40,304 | 18.6% | 63,210 mi |
| 2016 | 37,657 | 21.0% | 72,415 mi |
Most common reasons for failure
- Tyre tread depth not in accordance with the requirements34.0%
- A tyre seriously damaged25.3%
- a brake lining or pad worn below 1.5mm15.7%
- Brake disc or drum excessively weakened, insecure or fractured12.8%
- A spring or spring component fractured or seriously weakened12.1%
Figures cover every Mercedes-Benz A-Class tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.
Mercedes-Benz A-Class official figures
Median across 26 variants on sale, diesel, electricity / petrol, petrol, petrol electric.
- Combined economy
- 48.7 mpg
- WLTP median across variants
- CO2 emissions
- 142.5 g/km
- Sets the first-year tax rate
- Electric range
- 49.5 miles
- Manufacturer WLTP figure
Official figures for new cars. Real economy varies with driving, load and conditions.
Frequently asked questions
What is the most common problem with Mercedes A-Class?
The most common problems include electrical faults, gearbox issues, and DPF blockages.
What are the common problems with the 2008 Mercedes-Benz?
Common issues involve electrical gremlins, gearbox malfunctions, and general wear and tear.
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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)