Model Reports 8 min read Updated 12 Jul 2026

Ford B-Max 2013: reliability & common MOT faults

Elevated MOT failure patterns for the 2013 Ford B-Max include Seat belts — Condition (front) (~10.6× peers) and Swivel pins and bushes (rear) (~7.1× peers). Based on UK DVSA open data for test year 2025 (5,078 failed first-attempt tests), compared with similar age and mileage peers. Available test years: 2024, 2025.

5,078 failed first-attempt tests · 13,978 first tests (test year 2025)

Standout pattern: Seat belts — Condition (front) — about 10.6× more often than on similar peer cars.

Key takeaways before you buy

  • Seat belts — Condition (front): about 10.6× more often than similar cars
  • Swivel pins and bushes (rear): about 7.1× more often than similar cars

Common faults

These are MOT failure patterns that show up more often on this registration year than on similar cars of the same class, age band, and mileage in the same test year (leave-one-out peer comparison; whole model family excluded).

Statistical patterns from MOT defect codes — not manufacturer TSBs, recalls, or a diagnosis of any individual car. Fail and advisory patterns are kept separate.

Based on 5,078 failed first-attempt tests in test year 2025.

Seat belts — Condition (front)

This failure pattern appears about 10.6× more often than on similar peer cars — recorded on 114 failed first-attempt tests; 2.2% of failed tests for this model year.

Front · 114 failures · ×10.6 vs similar cars · 2.2% of failed first tests · Strong pattern — appears far more often than similar cars

Swivel pins and bushes (rear)

This failure pattern appears about 7.1× more often than on similar peer cars — recorded on 153 failed first-attempt tests; 3.0% of failed tests for this model year.

Rear · 153 failures · ×7.1 vs similar cars · 3.0% of failed first tests · Strong pattern — appears far more often than similar cars

# Fault pattern Location Failures vs similar cars Share of fails Confidence
1 Seat belts — Condition (front)
Seat belts and supplementary restraint systems > Seat belts > Condition
 Front 114 ×10.6 2.2% Strong pattern — appears far more often than similar cars
2 Swivel pins and bushes (rear)
Suspension > Axles > Swivel pins and bushes
 Rear 153 ×7.1 3.0% Strong pattern — appears far more often than similar cars
3 Seat belts — Condition (rear)
Seat belts and supplementary restraint systems > Seat belts > Condition
 Rear 105 ×3.3 2.1% Likely common fault pattern
4 Stop lamp
Lamps, reflectors and electrical equipment > Stop lamp
 Any 709 ×3.1 14.0% Likely common fault pattern
5 Stop lamp (rear)
Lamps, reflectors and electrical equipment > Stop lamp
 Rear 611 ×3.0 12.0% Possible elevated fault
6 Ball joint (front)
Suspension > Suspension arms > Ball joint
 Front 956 ×2.9 18.8% Possible elevated fault
7 On or after 01/07/2008
Noise, emissions and leaks > Exhaust emissions > Compression ignition > On or after 01/07/2008
 Any 106 ×2.4 2.1% Possible elevated fault
8 Coil spring (rear)
Suspension > Springs > Coil springs > Coil spring
 Rear 434 ×2.0 8.5% Possible elevated fault

Only patterns that clear minimum sample and elevation thresholds are shown (at least 20 failures and 2.0× peer lift).

Wear patterns

These patterns look like wear or usage effects rather than model-specific design faults. Tyres, brake friction material, and alignment-related defects often track mileage and road use. They are not treated as a model design fault in our common-faults ranking.

# Pattern Location Failures vs similar cars Share of fails Confidence
1 Tyre pressure monitoring system
Tyres > Tyre pressure monitoring system
 Any 77 ×3.1 1.5% Wear / usage pattern — not treated as a model design fault

Advisories

Advisory items recorded on failed first-attempt tests that appear elevated versus peers. Advisories are not a fail rate — they flag issues noted at the test, often before they become failures.

# Advisory pattern Location Notes vs similar cars Share Confidence
1 Seat belts — Condition (front)
Seat belts and supplementary restraint systems > Seat belts > Condition
 Front 474 ×15.3 9.3% Strong pattern — appears far more often than similar cars
2 Swivel pins and bushes
Suspension > Axles > Swivel pins and bushes
 Any 21 ×7.9 0.4% Elevated vs peers
3 Swivel pins and bushes (rear)
Suspension > Axles > Swivel pins and bushes
 Rear 264 ×6.2 5.2% Strong pattern — appears far more often than similar cars
4 Pins and bushes (rear)
Suspension > Sub-frames > Pins and bushes
 Rear 56 ×5.6 1.1% Likely common fault pattern
5 Seat belts — Condition (rear)
Seat belts and supplementary restraint systems > Seat belts > Condition
 Rear 77 ×4.4 1.5% Likely common fault pattern
6 Pins and bushes (rear)
Suspension > Other suspension component > Pins and bushes
 Rear 26 ×4.2 0.5% Elevated vs peers
7 Headlamp
Lamps, reflectors and electrical equipment > Headlamps > Headlamp
 Any 46 ×3.5 0.9% Elevated vs peers
8 Headlamp (front)
Lamps, reflectors and electrical equipment > Headlamps > Headlamp
 Front 65 ×3.3 1.3% Elevated vs peers

FAQs

We do not show a single reliability score for the 2013 Ford B-Max on this page. Among 5,078 failed first-attempt MOT tests (test year 2025), Seat belts — Condition (front) appears more often than on similar peer cars (about 10.6× more often than peers; 114 observed failures; 2.2% of failed tests). Treat this as a pre-purchase checklist from DVSA open data — not a guarantee for any individual car.
Among failed first-attempt tests we surface patterns that appear more often than on similar peer cars. Top example: Seat belts — Condition (front) (about 10.6× more often than peers; 114 observed failures; 2.2% of failed tests). These are statistical signals, not a diagnosis of any individual car.
Seat belts — Condition (front) shows up more often than on similar peer cars (about 10.6× more often than peers; 114 observed failures; 2.2% of failed tests). That does not prove a causal design fault — age, mileage, and usage still matter. Treat it as a pre-purchase check point, not a manufacturer TSB.
Common MOT problem areas for the 2013 Ford B-Max include Seat belts — Condition (front), Swivel pins and bushes (rear). These are elevated versus similar peer cars where lift clears our floors — not a full list of every possible fault on an individual car.
Advisories flag issues noted at the test and are not a fail rate. We show advisory patterns that look elevated versus peers among failed first-attempt tests, separate from common failure rows. Use them as early-warning checks, not as a pass/fail score.
This page highlights elevated MOT failure patterns for the 2013 Ford B-Max (registration year) using UK DVSA open data for the selected test year. Patterns are ranked against similar age and mileage peers. It is a buyer checklist from MOT defect statistics — not a full service history or manufacturer TSB list.
No. MOT tests do not cover engine internals, gearboxes, or many electronic modules. Patterns here come from MOT defect statistics only and should not be read as engine or gearbox reliability scores.
PRS means the vehicle failed items that were fixed at the test station and then passed the same day. We count PRS as a first-attempt fail in headline rates so same-day repairs do not hide problems.

About this data

Universe. UK class 4 cars only; normal MOT tests (not retests); results pass, PRS, or fail; one first test per vehicle per calendar year.

PRS policy. PRS means the vehicle failed items that were fixed at the test station and then passed the same day. We count PRS as a first-attempt fail in headline rates so same-day repairs do not hide problems.

Peer baseline. We compare this model year with other class 4 cars of similar age and mileage in the same test year, excluding the whole model family so the car is not compared with itself (leave-one-out peer baseline).

Data years. Test years covered: 2024, 2025.

Limitations.

  • MOT tests do not cover engine internals, gearboxes, or many electronic modules — so this is not a full reliability score.
  • Common faults are inferred from MOT defect statistics, not manufacturer TSBs or recalls.
  • Matching on age and mileage reduces but does not remove every usage or maintenance difference between cars.
  • Pass rates and star scores appear only when those data marts are available; this page never invents them.

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Contains public sector information licensed under the Open Government Licence v3.0.

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