Should I buy a 2017 Mercedes-Benz GLC-Class 2.1 Diesel Automatic?

Explore common problems, estimated repair costs and practical checks for the 2017 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

1Moderate Likelihood

Injector failure that can escalate into major engine damage

Rough idle, misfire under load, diesel smell, smoke, harder starting, or an engine warning light.

How to check

Start it from cold, let it idle, then accelerate gently and steadily once warm.

Estimated Repair Cost

£1,400

2Low Likelihood

Automatic gearbox hesitation, shunt or low-speed shudder

Jerky pull-away, delayed response when moving off, a thump on shift, or a shudder at low speed.

How to check

Creep in traffic, pull away gently several times, then slow and accelerate again at low speed.

Estimated Repair Cost

£1,200

3Moderate Likelihood

DPF soot loading and regeneration trouble

Engine light, reduced power, frequent regeneration behaviour, stronger exhaust smell, or poor fuel economy.

How to check

Drive it at mixed speeds once warm and pay attention to throttle response and warning lights.

Estimated Repair Cost

£900

MOT Failure Rate

0%10%20%30%0–20,000 miles: 6.0% (296 failed / 4,931 tests)20,000–40,000 miles: 10.0% (2,412 failed / 24,080 tests)40,000–60,000 miles: 12.5% (2,901 failed / 23,288 tests)60,000–80,000 miles: 14.0% (2,035 failed / 14,484 tests)80,000–100,000 miles: 15.1% (976 failed / 6,483 tests)100,000–120,000 miles: 16.6% (341 failed / 2,058 tests)120,000–140,000 miles: 15.4% (100 failed / 650 tests)140,000–160,000 miles: 18.9% (48 failed / 254 tests)160,000–180,000 miles: 21.5% (20 failed / 93 tests)180,000–200,000 miles: 17.4% (4 failed / 23 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017 Mercedes-Benz GLC-Class 2.1 Diesel Automatic

Mercedes-Benz GLC-Class buying questions

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

It can be, but only if the individual car backs it up. For the 2017 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 (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 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