2019 to 2024 problems

Mercedes-Benz A-Class 2019 to 2024: common problems and what to know

What goes wrong on the 2019 to 2024 Mercedes-Benz A-Class, what owners report and what to check before you buy one.

Updated 22nd June 2026 DVSA data: Across 358,651 recorded MOT tests, 18.1% failed.

TL;DR

The 2019 to 2024 Mercedes-Benz A-Class is a stylish and tech-savvy hatchback, but it has common issues such as electrical faults, infotainment glitches, and gearbox concerns. Potential buyers should consider these factors when looking at this model.

Key facts callout

  • Production years: 2019 to 2024
  • Common issues: Electrical faults, infotainment glitches, gearbox problems
  • Reliability rating: Generally decent, with some reported concerns
  • Price range: Used models typically range from £20,000 to £35,000 depending on condition and mileage

Engine and gearbox

The 2019 Mercedes A-Class offers a range of engines, including petrol and diesel options. Most engines provide a good balance of performance and efficiency. However, some owners report issues with the automatic gearbox, particularly in models with the dual-clutch transmission, including rough shifting or hesitation during acceleration. Diesel engines may also face Diesel Particulate Filter (DPF) blockages, especially with short trips.

Electrics and electronics

One of the most frequently mentioned issues with the A-Class is related to its electrics and electronics. Owners report problems with the infotainment system, including frozen touchscreens, unresponsive controls, and Bluetooth connectivity issues. These problems can be frustrating, especially given the car’s emphasis on technology. Additionally, some users experience persistent dashboard warning lights even after resolving the underlying issue.

Body and suspension

The build quality of the A-Class is generally high, as expected from a Mercedes-Benz. However, some owners report issues with paint quality and rust, particularly in compromised areas. It’s advisable to inspect the bodywork closely on used models. Suspension issues have also been noted, particularly on vehicles driven on rough roads, with owners mentioning noisy suspension components that can affect ride comfort.

What people are asking

What is the most common problem with Mercedes A-Class? The most common problems reported include electrical faults, issues with the infotainment system, and gearbox problems.

Is the 2019 Mercedes A-Class reliable? Overall, the 2019 Mercedes A-Class has a decent reliability rating, but some owners have reported specific issues.

What is the best year for Mercedes A-Class? While the 2019 model introduced many updates, the best year can vary based on personal preferences for features and styling.

Which Mercedes to stay away from? Models with known issues, particularly those with problematic gearboxes or electrical faults, should be approached with caution.

What owners say

Many appreciate its stylish design, comfortable ride, and advanced technology. However, several owners express frustration over recurring electrical issues and the performance of the automatic gearbox. Some mention that while the car is enjoyable to drive, the reliability concerns can be a drawback for those seeking a dependable daily driver. Owner reports on platforms like owner forums and various forums indicates a mixed experience with the 2019 to 2024 A-Class.

Should you buy a 2019 to 2024 Mercedes-Benz A-Class?

The 2019 to 2024 Mercedes-Benz A-Class is a well-rounded hatchback that offers a blend of style, comfort, and technology. However, potential buyers should be aware of its common issues, particularly with electrical systems and the automatic gearbox. If you consider purchasing one, it is advisable to have a thorough inspection conducted and to check the vehicle’s service history for any resolved issues. If you can find a well-maintained model with a good service history, it can be a great choice in the premium hatchback segment.

Mercedes-Benz A-Class recall record

92 recalls have been issued for the Mercedes-Benz A-Class, between 2001 and 2026.

  1. SRPC2601 - Interior Door Handle Release

    R/2026/098

    Issued 15 April 2026

    Mercedes-Benz AG has determined that on certain CLA (174 platform) A-Class (177 platform) and GLA (247 platform) vehicles the bowden cable of the release mechanism of one or more doors might not have been properly mounted.

    Remedy:As a precautionary measure Mercedes-Benz AG via its Mercedes-Benz service partners will check the bowden cables of the doors on the affected vehicles and mount them correctly if necessary.

    Affects cars built Apr 2025 to Sept 2025

  2. SRPC2503 - Variant of rear axle brake hose

    R/2025/131

    Issued 16 April 2025

    Mercedes-Benz AG has determined that on certain A-Class (177 platform) and CLA (118 platform) vehicles the length of the brake hoses on the rear axle might not meet specifications.

    Remedy:As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will check the brake hoses on the rear axle on the affected vehicles and replace them if necessary.

    Affects cars built Feb 2024 to Mar 2024

  3. SRPC2404 – Backup function of steering software

    R/2024/166

    Issued 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 Jan 2018 to Feb 2024

  4. 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/2024/024

    Issued 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 Sept 2012 to Mar 2018

88 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 A-Class MOT record

From 358,651 recorded MOT tests, 18.1% failed.

MOT pass and failure rates by year of first registration
RegisteredTestsFailedMedian mileage
20236654.7%19,826 mi
202217,3717.7%24,640 mi
202128,9988.6%33,242 mi
202035,04710.6%39,063 mi
201950,40112.4%46,088 mi
201840,79714.5%53,658 mi
201740,30418.6%63,210 mi
201637,65721.0%72,415 mi

Most common reasons for failure

  1. Tyre tread depth not in accordance with the requirements34.0%
  2. A tyre seriously damaged25.3%
  3. a brake lining or pad worn below 1.5mm15.7%
  4. Brake disc or drum excessively weakened, insecure or fractured12.8%
  5. 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 reported include electrical faults, issues with the infotainment system, and gearbox problems.

Is the 2019 Mercedes A-Class reliable?

Overall, the 2019 Mercedes A-Class has a decent reliability rating, but some owners have reported specific issues.

Sources