Should I buy a 2016 Mercedes-Benz GLA-Class 2.1 Diesel Automatic?

Explore common problems, estimated repair costs and practical checks for the 2016 Mercedes-Benz GLA-Class 2.1 Diesel Automatic. 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 blockage and repeated regeneration faults

Engine management light, reduced power, cooling fans running after shutdown, hot or burning smell during failed regenerations.

How to check

Warm it fully, then drive at steady A-road speed before slowing and accelerating again.

Estimated Repair Cost

£900

2Moderate Likelihood

Thermostat running cool and causing regen/emissions trouble

Temperature takes too long to rise, heater feels weak in winter, economy drops, and emissions warnings may appear over time.

How to check

From cold, drive normally for 10 to 15 minutes while watching the temperature gauge.

Estimated Repair Cost

£1,200

3High Likelihood

AdBlue and NOx sensor faults

Engine warning light, emissions warning, occasional power reduction, or a restart countdown linked to AdBlue faults.

How to check

Drive until warm and watch for warning messages during stop-start traffic and steady cruising.

Estimated Repair Cost

£800

MOT Failure Rate

0%10%20%30%0–20,000 miles: 7.2% (349 failed / 4,879 tests)20,000–40,000 miles: 9.4% (2,103 failed / 22,424 tests)40,000–60,000 miles: 13.1% (2,982 failed / 22,791 tests)60,000–80,000 miles: 17.1% (2,593 failed / 15,150 tests)80,000–100,000 miles: 19.6% (1,438 failed / 7,320 tests)100,000–120,000 miles: 21.7% (563 failed / 2,599 tests)120,000–140,000 miles: 23.7% (222 failed / 935 tests)140,000–160,000 miles: 26.4% (70 failed / 265 tests)160,000–180,000 miles: 28.6% (30 failed / 105 tests)180,000–200,000 miles: 22.5% (9 failed / 40 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2016 Mercedes-Benz GLA-Class 2.1 Diesel Automatic

Mercedes-Benz GLA-Class buying questions

Is a 2016 Mercedes-Benz GLA-Class worth buying?

It can be, but only if the individual car backs it up. For the 2016 Mercedes-Benz GLA-Class 2.1 Diesel Automatic, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Mercedes-Benz GLA-Class (2016)?

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