Should I buy a 2021 Mercedes-Benz A-Class 1.3 Hybrid Automatic W177?

Explore common problems, estimated repair costs and practical checks for the 2021 Mercedes-Benz A-Class 1.3 Hybrid Automatic W177. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.

Common problems

1High Likelihood

Panoramic roof drain blockage or leak causing damp interior

Musty smell, damp headlining, wet carpets, condensation inside, or unexplained electrical oddities after heavy rain.

How to check

After the drive, open the doors and cabin, then pay attention to smell, condensation and any dampness around the roof lining and floor edges.

Estimated Repair Cost

£1,200

2High Likelihood

Coolant hose or joint leak

Low coolant warning, sweet smell, visible pink fluid, fan running hard, or temperature concerns after a drive.

How to check

Warm the car fully, let it idle after the drive, then move off again after a short stop.

Estimated Repair Cost

£650

3High Likelihood

Charge flap actuator jam

The charging flap button works but the flap stays shut, or it opens only intermittently.

How to check

Use the normal release control several times during the viewing and open and close the flap as you would at a charger.

Estimated Repair Cost

£350

MOT Failure Rate

0%5%10%15%20%0–20,000 miles: 8.4% (55 failed / 655 tests)20,000–40,000 miles: 10.0% (209 failed / 2,091 tests)40,000–60,000 miles: 12.0% (153 failed / 1,278 tests)60,000–80,000 miles: 9.6% (56 failed / 582 tests)80,000–100,000 miles: 14.5% (34 failed / 234 tests)100,000–120,000 miles: 15.6% (10 failed / 64 tests)120,000–140,000 miles: 11.1% (2 failed / 18 tests)140,000–160,000 miles: 0.0% (0 failed / 1 tests)160,000–180,000 miles: 0.0% (0 failed / 2 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2021 Mercedes-Benz A-Class 1.3 Hybrid Automatic W177

Mercedes-Benz A-Class buying questions

Is a 2021 Mercedes-Benz A-Class worth buying?

It can be, but only if the individual car backs it up. For the 2021 Mercedes-Benz A-Class 1.3 Hybrid Automatic W177, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Mercedes-Benz A-Class (2021)?

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 A-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