Pillarless sliding doors in a city-friendly package
The B-Max (2012-2017) was Ford's innovative mini-MPV, now available from under £4,000 used. It never matched the Fiesta's sales but carved a niche with families thanks to its unique B-pillar-free sliding rear doors. With 614,000+ MOT tests on record and an 80.9% pass rate, it's slightly below Ford's average. The 1.0 EcoBoost Titanium is the pick of the range at £5-7k for a 2015-2016 example.
We track 5 known issues across the Ford B-MAX range, including 1 rated as safety-critical. Knowing which variants and configurations to approach with caution can save you from expensive surprises after purchase.
Found a Ford B-MAX? Enter the reg to see which of our 5 known issues apply to that exact car, plus full MOT history and mileage checks.
Mk1 (2012–2017) — Petrol options included the 1.0 EcoBoost, 1.4 Duratec, 1.6 Duratec, with 1.5 TDCi, 1.6 TDCi on the diesel side. Our database flags 5 known issues on this generation, 1 of which are rated as safety-critical. The most significant concern is Coil spring fracture (£200–£350 to address).
The B-Max suffers from premature coil spring fracture at rates significantly above the national fleet average. MOT data shows failure rates peaking at 42.3 times the fleet average on diesel variants. The springs can fracture suddenly, causing the car to drop on one corner and making steering unpredictable. This appears to be a design weakness affecting all engine variants, with the additional weight of diesel engines showing the highest failure rates.
A fractured spring makes the car dangerous to drive as it affects handling, braking stability, and tyre contact with the road. In severe cases, a completely fractured spring can damage the tyre, brake line, or fuel line. Both springs on the same axle should be replaced together to maintain even handling characteristics.
Listen for knocking, clunking or rattling over bumps during the test drive. Inspect the underside for corroded or cracked suspension components. Check the MOT history for suspension-related advisories, which often predict future failures.
The B-Max shows accelerated wear in suspension bushes, joints, and pins compared to the national fleet average. MOT data indicates failure rates up to 9.9 times higher than average for stub axle components, with diesel variants particularly affected. The suspension components appear undersized for the vehicle's weight and usage patterns, leading to premature wear of bushes, ball joints, and anti-roll bar links.
Worn suspension components affect handling safety, tyre wear patterns, and steering precision. While not immediately dangerous, multiple worn components compromise the car's ability to maintain stable contact with the road surface. Replacement should be prioritised before MOT testing as these are common failure points.
Listen for knocking, clunking or rattling over bumps during the test drive. Inspect the underside for corroded or cracked suspension components. Check the MOT history for suspension-related advisories, which often predict future failures.
The problem affects cars from very low mileage and worsens with age. Short urban journeys prevent the DPF from reaching the temperatures needed for automatic regeneration, causing progressive blockage that eventually leads to complete system failure.
A completely blocked DPF will put the engine into limp mode, severely restricting power and making motorway driving dangerous. Replacement DPF costs £800-£1,500 plus fitting. Forced regeneration may clear early-stage blockage but repeated cycles damage the filter substrate. The car should not be purchased for urban-only use.
Ask about the car's typical usage — short urban journeys prevent DPF regeneration. Check for DPF warning lights and ask about any previous regeneration issues. A forced regeneration at a garage costs far less than a DPF replacement.
MOT data shows the 1.0 EcoBoost engine has malfunction indicator lamp (MIL) failures at The complex three-cylinder turbo engine relies heavily on electronic management systems that can develop faults with age, particularly relating to turbocharger control, emissions sensors, and fuel injection timing. These issues typically manifest as persistent engine management lights that cannot be easily cleared.
Engine management faults on the EcoBoost can cause limp mode activation, restricting power to 1000-1500 rpm and making the car unsuitable for motorway use. Diagnostic work and sensor replacement can cost £200-£600 depending on the specific fault. Some issues require software updates only available through Ford dealers.
Check all electrical functions systematically: windows, mirrors, lights, infotainment, heated seats, air conditioning. Look for any warning lights on the dashboard. A diagnostic scan before purchase can reveal stored fault codes.
6 petrol variants, with 1.0 EcoBoost also affected. The rubber engine mounts deteriorate prematurely, causing excessive engine movement that creates vibration through the cabin and steering wheel. This is particularly noticeable on the three-cylinder EcoBoost engine due to its inherent imbalance.
Worn engine mounts cause uncomfortable vibration and can lead to premature wear of other components including exhaust system joints and radiator mountings. While not immediately dangerous, severe mount deterioration can cause engine movement that damages adjacent components or hoses.
Check all auxiliary systems during the test drive — air conditioning (both hot and cold), engine mounts (excessive vibration at idle or clunking when pulling away) and all belt-driven accessories. Listen for squealing or chirping from the belt area.
For the full breakdown of all 5 tracked issues with repair costs, see the Ford B-MAX common problems page.
Based on 295k real DVSA MOT tests, the Ford B-MAX fails more often than average on several items. The biggest outlier is emissions failure at 156x the fleet average, followed by coil springs broken (25x).
When viewing a specific car, check its MOT history for recurring advisories in these categories. See the full Ford B-MAX MOT failure breakdown for data at every mileage point.
Routine servicing (oil and filter change every 13k miles) typically costs £80–£120 at an independent garage.
See the full Ford B-MAX service schedule for every interval and cost breakdown.
The Ford B-MAX has some well-documented weak points, including 1 safety-critical issue that demand careful checking. The right example, properly maintained, can still be a sound purchase — but cutting corners on the pre-purchase inspection is not advisable. 2015-2016 models have the highest MOT pass rates (83.8% for 2016) and benefit from running production improvements. Choose the 1.0 EcoBoost 120PS with manual gearbox — avoid the Powershift automatic entirely due to clutch pack failures. The 2012 launch year has the lowest pass rate (79%) and more frequent battery drain issues. Post-2014 cars also got improved SYNC 2 infotainment.
Before committing, check the car's full MOT history, verify the service record is complete, and if possible arrange a specialist inspection. Enter any registration into our free report to see the complete picture.
Get Car Wise maintains a database of known mechanical issues for every popular car on UK roads, tracking the faults that owners, specialists and DVSA data reveal.
When you run a report on a specific Ford B-MAX, we cross-reference the exact variant, engine and age against our database of 5 known issues. Combined with full MOT history analysis, mileage verification and DVLA data, you get a complete picture before viewing.
Enter the registration for MOT history, mileage verification, known faults for that exact variant, and a Get Car Wise Score.
This guide was compiled from independent expert reviews, DVSA MOT data, specialist workshops and our own database of 5 known Ford B-MAX issues. We are not affiliated with any source listed.