Should I buy a 2017 Mercedes-Benz A-Class 1.5 Diesel Manual W176 facelift?

Explore common problems, estimated repair costs and practical checks for the 2017 Mercedes-Benz A-Class 1.5 Diesel Manual W176 facelift. 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

DPF loading and failed regenerations

Engine light, reduced power, cooling fan running after shutdown, fuel economy dropping, or a message linked to emissions.

How to check

Drive until fully warm, then hold a steady 50-60mph if possible and watch how it responds afterwards at idle.

Estimated Repair Cost

£700

2High Likelihood

EGR valve carbon fouling

Hesitation at low revs, uneven running, extra smoke, or an engine light with reduced response.

How to check

Accelerate gently from low revs in second or third once the engine is warm.

Estimated Repair Cost

£450

3Moderate Likelihood

Front suspension knocks and mount wear

Knocking over small bumps, a slightly loose front end, or extra noise when turning into rough junctions or ramps.

How to check

Drive slowly over small bumps and rough surfaces with the windows slightly open.

Estimated Repair Cost

£500

MOT Failure Rate

0%10%20%30%0–20,000 miles: 10.1% (887 failed / 8,808 tests)20,000–40,000 miles: 12.7% (5,072 failed / 39,834 tests)40,000–60,000 miles: 15.5% (6,252 failed / 40,267 tests)60,000–80,000 miles: 19.2% (4,924 failed / 25,604 tests)80,000–100,000 miles: 21.2% (2,405 failed / 11,322 tests)100,000–120,000 miles: 22.8% (892 failed / 3,917 tests)120,000–140,000 miles: 25.0% (335 failed / 1,341 tests)140,000–160,000 miles: 23.2% (120 failed / 517 tests)160,000–180,000 miles: 21.0% (33 failed / 157 tests)180,000–200,000 miles: 19.4% (12 failed / 62 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017 Mercedes-Benz A-Class 1.5 Diesel Manual W176 facelift

Mercedes-Benz A-Class buying questions

Is a 2017 Mercedes-Benz A-Class worth buying?

It can be, but only if the individual car backs it up. For the 2017 Mercedes-Benz A-Class 1.5 Diesel Manual W176 facelift, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Mercedes-Benz A-Class (2017)?

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