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

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

Automatic gearbox judder and shunting at low speed

Jerky take-up from rest, hesitation in traffic, or a thump when moving between low gears.

How to check

Pull away gently several times from a standstill, then creep in slow traffic pace and make a few light throttle inputs.

Estimated Repair Cost

£1,800

2Moderate Likelihood

Oil leaking from camshaft sensor or magnet connectors

Oil around front engine electrical plugs, engine light, rough running, or an oily smell after a drive.

How to check

Inspect the loom further upstream before oil reaches more expensive control components.

Estimated Repair Cost

£450

3Moderate Likelihood

Water pump seepage or failure

Coolant level dropping, sweet smell after parking, or temperature rising higher than normal.

How to check

Drive until fully warm, then stop and let the engine idle briefly before switching off.

Estimated Repair Cost

£600

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 Automatic

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 Automatic, 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