Should I buy a 2015–2018 Ford Mondeo 1.5 Diesel Manual?

Explore common problems, estimated repair costs and practical checks for the 2015–2018 Ford Mondeo 1.5 Diesel Manual. 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 failed regenerations

Spanner or engine warning light, reduced power, frequent fan running, poor fuel economy, or limp mode after town use.

How to check

Drive it until fully warm, then accelerate steadily in a higher gear from low revs.

Estimated Repair Cost

£1,400

2Moderate Likelihood

Timing belt overdue or near-due failure risk

May have no obvious symptoms before failure, so invoice history matters more than how it sounds.

How to check

Check dated service invoices for the timing-belt change and compare the recorded date and mileage with the service schedule.

Estimated Repair Cost

£500

3High Likelihood

Boost hose or turbo-control leaks

Noticeably weak pull, hissing or whooshing under load, smoke, or intermittent reduced-power running.

How to check

Accelerate firmly from about 1,800 rpm in second or third gear with the windows slightly open.

Estimated Repair Cost

£450

MOT Failure Rate

0%10%20%30%0–20,000 miles: 7.8% (96 failed / 1,236 tests)20,000–40,000 miles: 12.1% (852 failed / 7,031 tests)40,000–60,000 miles: 14.5% (1,774 failed / 12,245 tests)60,000–80,000 miles: 15.9% (2,165 failed / 13,583 tests)80,000–100,000 miles: 16.9% (1,956 failed / 11,552 tests)100,000–120,000 miles: 19.0% (1,527 failed / 8,056 tests)120,000–140,000 miles: 20.3% (954 failed / 4,711 tests)140,000–160,000 miles: 19.5% (459 failed / 2,349 tests)160,000–180,000 miles: 20.9% (258 failed / 1,234 tests)180,000–200,000 miles: 21.2% (153 failed / 723 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2015–2018 Ford Mondeo 1.5 Diesel Manual

Ford Mondeo buying questions

Is a 2015–2018 Ford Mondeo worth buying?

It can be, but only if the individual car backs it up. For the 2015–2018 Ford Mondeo 1.5 Diesel Manual, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Ford Mondeo (2015–2018)?

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 Ford Mondeo?

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