Should I buy a 2015 Mercedes-Benz A-Class 2.1 Diesel Automatic W176?

Explore common problems, estimated repair costs and practical checks for the 2015 Mercedes-Benz A-Class 2.1 Diesel Automatic W176. 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

Automatic gearbox judder and hesitant pull-away

Jerky take-up from rest, hesitation in stop-start traffic, or a thumpy low-speed shift once warm.

How to check

Pull away gently several times from a stop, then creep in slow traffic pace and make a few low-speed parking manoeuvres.

Estimated Repair Cost

£1,800

2High Likelihood

EGR valve and airflow control faults

Hesitation around 1,500-2,500rpm, sluggish acceleration, repeat engine light or limp mode.

How to check

With the engine warm, accelerate progressively from low revs in a higher gear and repeat a few times.

Estimated Repair Cost

£800

3High Likelihood

Coolant leaks from water pump or housing joints

Coolant level dropping, sweet smell after a drive, dried pink/white residue, or temperature concerns if ignored.

How to check

Warm the car fully, park it, leave it idling briefly, then switch off and stand by the front corner for a minute.

Estimated Repair Cost

£700

MOT Failure Rate

0%10%20%30%0–20,000 miles: 7.4% (190 failed / 2,570 tests)20,000–40,000 miles: 11.1% (1,545 failed / 13,949 tests)40,000–60,000 miles: 14.7% (2,549 failed / 17,319 tests)60,000–80,000 miles: 18.5% (2,773 failed / 14,970 tests)80,000–100,000 miles: 20.9% (1,973 failed / 9,450 tests)100,000–120,000 miles: 23.1% (1,149 failed / 4,966 tests)120,000–140,000 miles: 22.5% (449 failed / 1,994 tests)140,000–160,000 miles: 25.3% (189 failed / 748 tests)160,000–180,000 miles: 24.3% (58 failed / 239 tests)180,000–200,000 miles: 19.2% (14 failed / 73 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2015 Mercedes-Benz A-Class 2.1 Diesel Automatic W176

Mercedes-Benz A-Class buying questions

Is a 2015 Mercedes-Benz A-Class worth buying?

It can be, but only if the individual car backs it up. For the 2015 Mercedes-Benz A-Class 2.1 Diesel Automatic W176, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Mercedes-Benz A-Class (2015)?

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