Should I buy a 2017 Mercedes-Benz CLA-Class 1.6 Petrol Manual?

Explore common problems, estimated repair costs and practical checks for the 2017 Mercedes-Benz CLA-Class 1.6 Petrol Manual. 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

Timing chain stretch and cam adjuster wear

Cold-start rattle for a few seconds, uneven idle, engine light, or hesitant acceleration.

How to check

Start the engine from fully cold and let it idle for the first minute, then drive gently at low revs.

Estimated Repair Cost

£2,200

2Moderate Likelihood

Ignition coil and spark plug misfire

Shaky idle, stutter under acceleration, engine light, or a sudden drop in smoothness.

How to check

Let it idle, then accelerate progressively through the mid-range in a couple of gears.

Estimated Repair Cost

£450

3High Likelihood

Panoramic roof drain blockage and cabin water ingress

Musty smell, damp carpet edges, misting windows, wet boot or footwell trim, or odd electrical behaviour after heavy rain.

How to check

Use the ventilation and windows after the car has been standing, then pay attention to cabin smell and how quickly the glass mists or clears.

Estimated Repair Cost

£450

MOT Failure Rate

0%10%20%30%40%0–20,000 miles: 10.0% (200 failed / 2,007 tests)20,000–40,000 miles: 12.7% (795 failed / 6,251 tests)40,000–60,000 miles: 16.9% (968 failed / 5,728 tests)60,000–80,000 miles: 20.0% (587 failed / 2,931 tests)80,000–100,000 miles: 19.1% (200 failed / 1,049 tests)100,000–120,000 miles: 24.3% (81 failed / 334 tests)120,000–140,000 miles: 22.0% (18 failed / 82 tests)140,000–160,000 miles: 16.7% (2 failed / 12 tests)160,000–180,000 miles: 33.3% (2 failed / 6 tests)180,000–200,000 miles: 0.0% (0 failed / 3 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017 Mercedes-Benz CLA-Class 1.6 Petrol Manual

Mercedes-Benz CLA-Class buying questions

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

It can be, but only if the individual car backs it up. For the 2017 Mercedes-Benz CLA-Class 1.6 Petrol Manual, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Mercedes-Benz CLA-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 CLA-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