Should I buy a 2015–2019 Mercedes-Benz GLC-Class 2.1 Diesel Automatic?

Explore common problems, estimated repair costs and practical checks for the 2015–2019 Mercedes-Benz GLC-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

Low-speed front-end crabbing and tyre scrub

Juddering, hopping or tyre scrub on full lock in car parks or while reversing.

How to check

Drive slowly on full lock in both directions in an empty car park, then reverse on lock.

Estimated Repair Cost

£900

2Moderate Likelihood

DPF and EGR soot-loading problems

Engine light, reduced power, cooling fan running after short trips, poor economy or repeated regeneration behaviour.

How to check

Drive at mixed speeds after a cold start and then let it idle briefly after the run.

Estimated Repair Cost

£1,200

3Moderate Likelihood

Automatic gearbox hesitation, shunt or harsh shifting

Jerky pull-away, delayed engagement, thump when selecting drive or uneven shifts once warm.

How to check

From cold and again when warm, move from park to drive, pull away gently, then slow and accelerate several times.

Estimated Repair Cost

£1,200

MOT Failure Rate

0%10%20%30%0–20,000 miles: 5.9% (1,121 failed / 18,893 tests)20,000–40,000 miles: 9.7% (8,484 failed / 87,150 tests)40,000–60,000 miles: 12.3% (10,090 failed / 81,837 tests)60,000–80,000 miles: 14.3% (6,954 failed / 48,679 tests)80,000–100,000 miles: 15.7% (3,431 failed / 21,818 tests)100,000–120,000 miles: 16.8% (1,248 failed / 7,422 tests)120,000–140,000 miles: 17.8% (445 failed / 2,497 tests)140,000–160,000 miles: 17.9% (160 failed / 895 tests)160,000–180,000 miles: 22.2% (76 failed / 343 tests)180,000–200,000 miles: 19.1% (22 failed / 115 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2015–2019 Mercedes-Benz GLC-Class 2.1 Diesel Automatic

Mercedes-Benz GLC-Class buying questions

Is a 2015–2019 Mercedes-Benz GLC-Class worth buying?

It can be, but only if the individual car backs it up. For the 2015–2019 Mercedes-Benz GLC-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 GLC-Class (2015–2019)?

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 GLC-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