MOT failure rates

Citroen C5 Aircross MOT failure rates: what fails, what to fix

What the DVSA MOT data shows for the Citroen C5 Aircross. The most common failure categories and what each one typically costs to put right.

Updated 4th September 2026 DVSA data: Across 6,251 recorded MOT tests, 8.7% failed.

Citroen C5 Aircross
Image via Wikipedia, CC-licensed.

TL;DR

The Citroen C5 Aircross has notable MOT failure rates, primarily due to issues with brakes, suspension, lighting, and emissions. Failure rates increase significantly after three years, with repair costs varying widely depending on the problem. Regular maintenance can help mitigate these issues.

Common MOT Failures

The most frequent MOT failures for the Citroen C5 Aircross include brakes, suspension, lighting, and emissions. Brakes often show wear and tear, especially in models over three years old. Suspension issues can arise from wear on components such as shock absorbers. Lighting failures, including bulb replacements, are also common.

Age-by-Age Failure Rates

MOT failure rates for the C5 Aircross tend to rise as the vehicle ages. Newer models, typically under three years, have a lower failure rate. However, vehicles between five and seven years old show a marked increase in failures, primarily due to wear on critical components.

Cost of Repairs

Repair costs for common MOT failures can vary. For brake issues, expect to pay between £150 and £300 for parts and labour. Suspension repairs can range from £100 to £400, depending on the extent of the damage. Lighting issues are generally less expensive, costing around £50 to £150 for bulb replacements or wiring repairs.

Quick Fixes vs Structural Issues

Some MOT failures, like lighting problems, can be quick fixes, often resolved with simple bulb replacements. However, structural issues, such as severe suspension problems or corrosion, require more extensive work and can be costly. It is essential to address these issues promptly to avoid further complications.

What people are asking

Is the Citroen C5 Aircross a reliable car?

The Citroen C5 Aircross generally receives mixed reviews regarding reliability. While some owners report a dependable experience, others have encountered issues, particularly with electrical components. Regular maintenance and prompt repairs can help improve overall reliability.

What is the engine fault on the Citroen C5 Aircross?

Common engine faults reported by owners include faulty oxygen sensors, worn spark plugs, and mass airflow (MAF) sensor failures. These issues can cause the engine warning light to illuminate and may affect the vehicle’s performance if not addressed in a timely manner.

What’s the average lifespan of a Citroen C5 Aircross?

The estimated lifespan of a Citroen C5 Aircross is around 152,000 miles before reaching its upper life expectancy limit. With proper care and maintenance, many owners find that their vehicles can exceed this mileage, provided they address any issues that arise.

What are common Citroen C5 problems?

Common problems reported by owners include electrical faults, such as random warning lights and touchscreen issues. Additionally, some users have experienced problems with the AdBlue system, including clogged lines and defective components.

What owners say

Many appreciate the comfort and smooth driving experience, particularly highlighting the vehicle’s suitability for long journeys. The spacious interior and supportive seats are frequently praised, making it a popular choice for families. Owners have shared a variety of experiences regarding the Citroen C5 Aircross.

However, some owners have reported concerns about the back seats, noting that they can be uncomfortable for adult passengers. Issues with seatbelt placement and space have been mentioned, suggesting that the design may not cater well to taller individuals in the rear.

Problems such as warning lights appearing without clear cause and touchscreen malfunctions have been flagged as common faults. This has led to a few owners feeling disillusioned with the overall reliability of the vehicle. Reliability is a mixed bag, with some users expressing frustration over recurring electrical issues.

Additionally, buyers in UK communities have flagged engine-related issues, particularly with the MAF sensor and spark plugs. These faults can lead to performance drops and may require prompt attention to avoid further complications.

Citroen C5 Aircross recall record

21 recalls have been issued for the Citroen C5 Aircross, between 2020 and 2026.

  1. MCU inverter

    R/2026/162

    Issued 24 April 2026

    On affected vehicles the Motor Control Unit (MCU) Inverter may have a manufacturing deviation which could lead to gearbox malfunctions and the risk of an internal electrical short circuit leading to overheating or a fire.

    Remedy:Replace the MCU Inverter.

    Affects cars built Mar 2026 to Mar 2026

  2. Body Height sensor

    R/2026/158

    Issued 20 April 2026

    Affected vehicles may exhibit improper headlamp levelling due to an incorrectly assembled Body Height Sensor.

    Remedy:Change the body height sensor.

    Affects cars built Jul 2025 to Jul 2025

  3. Citroen Cross carline Fuel injection common rail.

    R/2026/021

    Issued 21 January 2026

    On affected vehicles a non-conformity issue with the fuel injection common rail may lead to a loosening of the nut and a potential fuel leak.

    Remedy:Check the fuel injection common rail and if necessary replace the rail and high-pressure fuel pipes.

    Affects cars built Aug 2025 to Sept 2025

  4. Citroen C5 Aircross BCM software Stop/Start system.

    R/2025/417

    Issued 29 September 2025

    On affected vehicles the engine will run all the time and will not shut off in start/stop mode due to incorrect Body Control Module coding.

    Remedy:Update the Body Control Module software.

    Affects cars built Sept 2023 to Apr 2025

17 older recalls not shown.

A recall applies to a build range, not to every car of this model. Check a registration to see whether one specific vehicle has an outstanding recall.

Citroen C5 Aircross MOT record

From 6,251 recorded MOT tests, 8.7% failed.

MOT pass and failure rates by year of first registration
RegisteredTestsFailedMedian mileage
20232677.1%21,051 mi
20223,1838.3%24,153 mi
20212,8019.2%33,985 mi

Most common reasons for failure

  1. Tyre tread depth not in accordance with the requirements42.7%
  2. A tyre seriously damaged23.1%
  3. a brake lining or pad worn below 1.5mm16.5%
  4. Brake disc or drum excessively weakened, insecure or fractured10.9%
  5. A tyre cords visible or damaged6.9%

Figures cover every Citroen C5 Aircross tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.

Citroen C5 Aircross official figures

Median across 16 variants on sale, diesel, electricity, electricity / petrol, petrol, petrol electric.

Combined economy
45.1 mpg
WLTP median across variants
CO2 emissions
141 g/km
Sets the first-year tax rate
Electric range
154 miles
Manufacturer WLTP figure

Official figures for new cars. Real economy varies with driving, load and conditions.

Frequently asked questions

What are the most common MOT failures for the Citroen C5 Aircross?

The most common failures include issues with brakes, suspension, lighting, and emissions.

At what age do Citroen C5 Aircross vehicles most commonly fail their MOT?

Failure rates tend to increase significantly after three years, particularly for vehicles around the five to seven-year mark.

Are there quick fixes for any common MOT failures?

Yes, many lighting issues can be fixed quickly by replacing bulbs, while minor brake adjustments may also be quick.

What structural issues should I be aware of?

Structural issues are less common but can include serious suspension problems or corrosion, which may require more extensive repairs.

Sources