Should I buy a 2014 Mercedes-Benz B-Class 1.6 Petrol Manual?

Explore common problems, estimated repair costs and practical checks for the 2014 Mercedes-Benz B-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

1High Likelihood

Timing chain stretch and startup rattle

Rattle for a second or two on cold start, uneven idle, engine light, or sudden rough running.

How to check

Start the engine from fully cold and listen during the first few seconds, then let it idle quietly.

Estimated Repair Cost

£2,200

2Moderate Likelihood

Thermostat or coolant control faults

Temperature reading moves around more than expected, heater output changes, or a high coolant temperature warning appears.

How to check

Drive until fully warm, then watch the temperature behaviour in mixed town and open-road driving.

Estimated Repair Cost

£550

3Moderate Likelihood

Headlamp washer system faults

Washer fluid disappears quickly, the headlamp washers do not pop up or spray properly, or there is a warning after using washers.

How to check

Use the screen washers with the lights on during the viewing.

Estimated Repair Cost

£300

MOT Failure Rate

0%10%20%30%0–20,000 miles: 6.8% (111 failed / 1,625 tests)20,000–40,000 miles: 9.4% (296 failed / 3,137 tests)40,000–60,000 miles: 16.2% (390 failed / 2,410 tests)60,000–80,000 miles: 21.0% (261 failed / 1,240 tests)80,000–100,000 miles: 24.3% (132 failed / 543 tests)100,000–120,000 miles: 27.9% (56 failed / 201 tests)120,000–140,000 miles: 28.6% (22 failed / 77 tests)140,000–160,000 miles: 16.7% (3 failed / 18 tests)160,000–180,000 miles: 0.0% (0 failed / 1 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2014 Mercedes-Benz B-Class 1.6 Petrol Manual

Mercedes-Benz B-Class buying questions

Is a 2014 Mercedes-Benz B-Class worth buying?

It can be, but only if the individual car backs it up. For the 2014 Mercedes-Benz B-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 B-Class (2014)?

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 B-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