Buying guide
Buying a used Mercedes-Benz CLA: what to check before you pay
A complete used-buyer checklist for the Mercedes-Benz CLA. Engine, gearbox, electrics, paperwork.
Updated 23rd June 2026 DVSA data: Across 73,658 recorded MOT tests, 16.3% failed.
More on the Mercedes-Benz CLA
If you are considering purchasing a used Mercedes-Benz CLA, it is essential to conduct thorough research and inspections. This compact executive car offers style and performance, but potential buyers should be aware of common issues and maintenance costs.
Understanding the Model Range
The Mercedes-Benz CLA is available in several variants, including the CLA 180, CLA 200, CLA 220, and performance-focused CLA 45 AMG. Each model offers different engine options, specifications, and features. Understanding the differences can help you choose the right model for your needs.
The CLA 180 is typically the entry-level model, featuring a smaller engine and fewer luxury options. As you move up the range, the CLA 200 and CLA 220 offer more power and additional features, such as upgraded infotainment systems and enhanced interior materials. The CLA 45 AMG stands out with its high-performance capabilities, making it ideal for those seeking a sportier driving experience.
Common Issues to Look Out For
When purchasing a used CLA, be aware of some common issues that have been reported by owners. Problems can range from electrical faults to engine performance concerns. Familiarising yourself with these issues can help you identify potential red flags during your inspection.
Some owners have reported problems with the infotainment system, including software glitches and connectivity issues. Additionally, the engine may exhibit rough idling or hesitation during acceleration, which could indicate underlying mechanical problems. It is advisable to check the vehicle’s service history for any previous repairs related to these issues.
Service History and Maintenance Costs
A comprehensive service history is crucial when buying a used CLA. Regular maintenance can significantly affect the vehicle’s longevity and performance. Ensure that the car has been serviced according to the manufacturer’s recommendations and that all necessary repairs have been documented.
Mercedes-Benz vehicles are known for their premium build quality, but maintenance costs can be higher than average. Parts and labour for repairs can be expensive, so it is wise to budget for ongoing maintenance. Checking the DVSA MOT data can provide insights into the vehicle’s history and any past failures that may require attention.
Vehicle Condition and Inspection
Before finalising your purchase, conduct a thorough inspection of the vehicle’s condition. Look for signs of wear and tear, such as scratches, dents, or rust. Pay close attention to the interior, ensuring that upholstery and electronics are in good working order.
It is also essential to check the tyres for tread depth and uneven wear, which could indicate alignment issues. A professional inspection can help uncover hidden problems, so consider hiring a qualified mechanic to assess the vehicle before making a commitment.
Test Drive Experience
A test drive is a crucial step in the buying process, allowing you to evaluate the vehicle’s performance and comfort. Pay attention to how the car handles, accelerates, and brakes. Listen for any unusual noises that could indicate mechanical issues.
During the test drive, assess the visibility and ergonomics of the vehicle. Ensure that all controls are easy to reach and that the seating position is comfortable for your height. A thorough test drive can help you determine if the CLA meets your expectations in terms of driving experience.
Understanding Warranty and Insurance Options
When purchasing a used CLA, consider the warranty options available. Depending on the age and mileage of the vehicle, it may still be covered by the manufacturer’s warranty or eligible for an extended warranty. Understanding your warranty options can provide peace of mind and protect you from unexpected repair costs.
Insurance costs can vary significantly based on the model and your driving history. It is advisable to obtain quotes from multiple insurers to find the best coverage at a competitive rate. Factors such as your age, location, and driving experience will influence your premium, so be sure to factor this into your budget.
By following this full checklist, you can decide with confidence when purchasing a used Mercedes-Benz CLA. This stylish and capable vehicle can be a fantastic addition to your life, provided you take the necessary steps to ensure a wise investment.
Mercedes-Benz CLA recall record
73 recalls have been issued for the Mercedes-Benz CLA, between 2014 and 2026.
Electric drive unit power electronics
R/2026/315Issued 25 August 2026
Mercedes-Benz AG has determined that in certain CLA (174 platform) and GLB (244 platform) vehicles the circuit board for the power electronics of the rear electric drive unit might not meet the specifications.
Remedy:As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will replace the power electronics of the rear electric drive unit on the affected vehicles.
Affects cars built Oct 2025 to Mar 2026
Software version of communication module
R/2026/203Issued 5 June 2026
Mercedes-Benz AG has determined that on certain CLA (174 platform) and GLB (244 platform) vehicles the software of the communication module might not meet the intended specification.
Remedy:As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will update the software on the affected vehicles.
Affects cars built May 2025 to Jan 2026
Bolting of front seats and belt buckles
R/2025/533Issued 6 January 2026
Mercedes-Benz AG has determined that on certain CLA (174 platform) vehicles the bolting of the front seats and/or belt buckles might not meet specifications.
Remedy:As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will rework the front seat and belt buckle bolting on the affected vehicles.
Affects cars built May 2025 to Jul 2025
SRPC2523 - Variant of 48V Wiring Harness
R/2025/556Issued 5 January 2026
Mercedes-Benz AG has determined that on certain CLA (178 platform) vehicles with 4-cylinder gasoline engine the 48V wiring harness might not meet specifications.
Remedy:As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will check the wiring harness on the affected vehicles and rework it if necessary.
Affects cars built Nov 2025 to Dec 2025
69 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 CLA MOT record
From 73,658 recorded MOT tests, 16.3% failed.
| Registered | Tests | Failed | Median mileage |
|---|---|---|---|
| 2023 | 653 | 5.7% | 27,689 mi |
| 2022 | 11,132 | 10.6% | 27,756 mi |
| 2021 | 9,394 | 11.8% | 37,145 mi |
| 2020 | 7,367 | 13.0% | 42,534 mi |
| 2019 | 8,122 | 14.0% | 47,685 mi |
| 2018 | 8,290 | 16.9% | 57,380 mi |
| 2017 | 8,175 | 19.7% | 69,613 mi |
| 2016 | 7,528 | 21.0% | 79,261 mi |
Most common reasons for failure
- Tyre tread depth not in accordance with the requirements35.0%
- A tyre seriously damaged28.1%
- a brake lining or pad worn below 1.5mm15.4%
- Brake disc or drum excessively weakened, insecure or fractured12.2%
- A tyre cords visible or damaged9.3%
Figures cover every Mercedes-Benz CLA tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.
Mercedes-Benz CLA official figures
Median across 28 variants on sale, diesel, electricity, electricity / petrol, petrol, petrol electric.
- Combined economy
- 44.2 mpg
- WLTP median across variants
- CO2 emissions
- 147 g/km
- Sets the first-year tax rate
- Electric range
- 241.5 miles
- Manufacturer WLTP figure
Official figures for new cars. Real economy varies with driving, load and conditions.
Frequently asked questions
What should I consider when buying a used Mercedes-Benz CLA?
When buying a used Mercedes-Benz CLA, consider its service history, mileage, and overall condition. It's also wise to check for any outstanding recalls and ensure it has a valid MOT.
What are the common issues with the Mercedes-Benz CLA?
Common issues with the Mercedes-Benz CLA can include electrical problems and issues with the infotainment system. It's important to have a thorough inspection to identify any potential concerns.
How fuel-efficient is the Mercedes-Benz CLA?
The fuel efficiency of the Mercedes-Benz CLA varies by engine type, but generally, it offers competitive mileage for a compact luxury car. Checking the specific model's official figures can provide a clearer picture.
What are the insurance costs for a Mercedes-Benz CLA?
Insurance costs for a Mercedes-Benz CLA can vary based on the model and your personal circumstances. It's advisable to get quotes from multiple insurers to find the best deal.
Is the Mercedes-Benz CLA a good family car?
The Mercedes-Benz CLA can be suitable for small families, offering decent rear space and a good boot size. However, if you need more room, you might want to consider larger models.
What trim levels are available for the Mercedes-Benz CLA?
The Mercedes-Benz CLA typically comes in several trim levels, each offering different features and equipment. Popular trims include the Sport and AMG Line, which provide various enhancements.
How does the Mercedes-Benz CLA compare to its competitors?
The Mercedes-Benz CLA stands out for its stylish design and premium interior. Compared to competitors like the Audi A3 and BMW 2 Series, it offers a unique blend of luxury and performance.
What financing options are available for purchasing a Mercedes-Benz CLA?
Financing options for a Mercedes-Benz CLA include personal loans, hire purchase, and leasing. It's best to compare different options to find the one that suits your budget and needs.
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)