1Moderate Likelihood
Front steering knuckle weakness on some cars
May have no obvious symptoms before failure, so recall history matters.
How to check
Run the VIN through the UK recall checker.
Estimated Repair Cost
£0
Should I buy a 2015–2019 Smart Forfour?
Explore common problems, estimated repair costs and practical checks for the 2015–2019 Smart Forfour. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.
Common problems
2Moderate Likelihood
Clutch wear and slip around current mileage
High biting point, revs rising faster than road speed, or shudder when moving off.
How to check
Pull away gently, then accelerate in a higher gear from low speed.
Estimated Repair Cost
£650
3High Likelihood
Electric window sticking or dropping
Glass moves in short steps, stops part-way, or needs repeated switch presses to close.
How to check
Use both front windows several times from fully closed to fully open and back again.
Estimated Repair Cost
£300
MOT Failure Rate
Smart Forfour buying questions
Is a 2015–2019 Smart Forfour worth buying?
It can be, but only if the individual car backs it up. For the 2015–2019 Smart Forfour, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.
What common problems affect the Smart Forfour (2015–2019)?
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 Smart Forfour?
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