Should I buy a 2020 Mercedes-Benz GLA-Class 1.3 Petrol Manual?

Explore common problems, estimated repair costs and practical checks for the 2020 Mercedes-Benz GLA-Class 1.3 Petrol Manual. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.

Common problems

1Moderate Likelihood

Fuel rail to injector seal leak

Fuel smell around the bonnet area, rough running, engine warning light, or visible dampness around the injector area.

How to check

Start it from cold, let it idle for a minute, then stop and stand by the front of the car with the bonnet open if the seller allows it.

Estimated Repair Cost

£1,200

2Moderate Likelihood

Gasoline particulate filter and sensor faults

Engine warning light, reduced power, hesitant acceleration, or a fault code linked to the petrol particulate filter.

How to check

Drive it long enough to get fully warm, then accelerate gently and steadily through the mid-range.

Estimated Repair Cost

£850

3High Likelihood

Reversing camera or tailgate camera fault

No rear image, delayed camera view, black screen, or the camera mechanism not behaving normally when reverse is selected.

How to check

Select reverse several times during the viewing and after the drive.

Estimated Repair Cost

£700

MOT Failure Rate

0%10%20%30%40%0–20,000 miles: 4.7% (17 failed / 361 tests)20,000–40,000 miles: 9.2% (68 failed / 737 tests)40,000–60,000 miles: 12.6% (31 failed / 246 tests)60,000–80,000 miles: 15.9% (10 failed / 63 tests)80,000–100,000 miles: 14.3% (2 failed / 14 tests)100,000–120,000 miles: 25.0% (1 failed / 4 tests)120,000–140,000 miles: 33.3% (1 failed / 3 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2020 Mercedes-Benz GLA-Class 1.3 Petrol Manual

Mercedes-Benz GLA-Class buying questions

Is a 2020 Mercedes-Benz GLA-Class worth buying?

It can be, but only if the individual car backs it up. For the 2020 Mercedes-Benz GLA-Class 1.3 Petrol Manual, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Mercedes-Benz GLA-Class (2020)?

The problem cards above list the model-level checks for this guide. Read them as priorities for inspection and paperwork review, not proof that every example will have those faults.

What should I check before buying a Mercedes-Benz GLA-Class?

Look for evidence, not just assurances: MOT advisories, service history, repair invoices, warning lights, fluid leaks, tyre and brake condition, and how the car behaves on a proper test drive. And of course, look at your personalised Should I Buy This Car? report, outlining a full list of common issues in detail, a personalised road test, a plain-English explanation and a MotorIQ score.

A model guide is useful. A report on its registration is better.

The guide above gives you the model-level pattern. A personalised MotorIQ report checks the registration-specific record and turns it into an ownership view before you commit.

Or enter the vehicle manually