Model reliability

Peugeot 508 reliability

The Peugeot 508 fails its MOT more often than most cars 6 to 10 years old: 29.2% of 7,179 tests failed in 2023, against 24.4% on average.

Up to 5 years old

20.7% failed their MOT

Worse than most

From 3,993 MOT tests of Peugeot 508s this age.

Where it does worse than other cars this age

Fails 4× as oftenWipers8% vs 2.1%

Fails 94% more oftenMechanical brake components3.5% vs 1.8%

Fails 2× as oftenTyre tread depth3.3% vs 1.6%Fix about £90

Fails 55% more oftenWashers1.7% vs 1.1%

Advised 59% more oftenMechanical brake components19.2% vs 12.1%

Advised 30% more oftenTyre tread depth18.5% vs 14.2%Fix about £90

6 to 10 years old

29.2% failed their MOT

Worse than most

From 7,179 MOT tests of Peugeot 508s this age.

Where it does worse than other cars this age

Fails 2× as oftenSprings5.7% vs 2.4%Fix about £150

Fails 64% more oftenTyre tread depth4.1% vs 2.5%Fix about £90

Fails 48% more oftenHeadlamp aim3.7% vs 2.5%Fix about £30

Fails 3× as oftenTransmission3% vs 0.9%

Advised 4× as oftenRegistration plate lamp(s)7.7% vs 2.1%Fix about £30

Advised 4× as oftenAnti-roll bars6.5% vs 1.5%

Advised 2× as oftenFluid leaks5.1% vs 2.2%

Over 10 years old

35.5% failed their MOT

About average

From 7,027 MOT tests of Peugeot 508s this age.

Where it does worse than other cars this age

Fails 54% more oftenSprings6.3% vs 4.1%Fix about £150

Fails 55% more oftenTyre tread depth4.8% vs 3.1%Fix about £90

Fails 35% more oftenMechanical brake components4.2% vs 3.1%

Fails 67% more oftenRegistration plate lamp(s)3.5% vs 2.1%Fix about £30

Advised 46% more oftenMechanical brake components24.6% vs 16.9%

Advised 2× as oftenAnti-roll bars13.6% vs 6%

Advised 75% more oftenRegistration plate lamp(s)9.1% vs 5.2%Fix about £30

Advised 2× as oftenDirection indicators4.8% vs 2.4%

Safety recalls

28 DVSA recalls for the Peugeot 508

Most cover a batch of cars built in a set period, and dealers fix them free. Sweep’s check shows the recalls for a car’s age and whether the DVSA has one outstanding.

R/2025/45527 Oct 2025Built 2023–2024Peugeot 508 BCM software Stop/Start System

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.

Fix: Update the Body Control Module software.

Recalled models: 508 · 48 vehicles

R/2025/3828 Sept 2025Built 2019–2022Peugeot 3008v2 508v2 Traction Battery

Affected vehicles may have a fault in the High Voltage Battery which could potentially lead to it overheating and in the worst case a battery or vehicle fire. Customers are advised to stop any plug-in charging and eSave charging until the vehicle is reworked.

Fix: Update the battery management software or replace the High Voltage Battery if necessary.

Recalled models: 508 V2 · 492 vehicles

R/2025/34418 Aug 2025Built 2018–2022Emission recall – On Board Diagnostics

Vehicles may be affected by incorrect performance of the On-Board-Diagnostics related to Selective Catalytic Reduction system and/or Diesel Particle Filter. The Malfunction Indicator Light (MIL) may not illuminate in the event of a malfunction and therefore does not comply with emission regulations.

Fix: Update the Engine Control Unit software to ensure compliance to regulations.

Recalled models: 508 V2 · 918 vehicles

R/2025/2463 Jul 2025Built 2017–2023Peugeot DV5R Engines Camshaft Chain.

Vehicles may be affected by premature wearing of the camshaft drive chain leading to abnormal noise or to a breakage of the chain in the worst case.

Fix: Update the software to improve oil pressure and reduce wear. Check the engine noise and replace the chain if required. If no problem found change the oil to one with higher viscosity and special anti-wear additives.

Recalled models: 508 V2 · 2,073 vehicles

R/2025/0119 Jan 2025Built 2022–2023Peugeot 508 Selective Catalytic Reduction - diagnosis issues

On affected vehicles the Engine Control Unit (ECU) software is not according to specification.

Fix: Upload modified software to the ECU.

Recalled models: 508 · 42 vehicles

R/2024/4856 Dec 2024Built 2024Peugeot - Cross carline Radio software via OTA update

On affected vehicles the Advanced Driver Assistance System (ADAS) functionality may not meet regulatory requirements and the Active Emergency Brake (AEB) and Lane Keep Assist (LKA) can inadvertently be deactivated by a long press of the ADAS button on the radio.

Fix: On the affected vehicles the radio software will be updated by an Over-The-Air update which will be remotely checked as successfully installed.

Recalled models: 508 · 7 vehicles

R/2024/2721 Jul 2024Built 2019–2021Peugeot 3008508 PHEV. Traction Battery

On affected vehicles there is a fault in the High Voltage (HV) Battery which could potentially lead to a breakdown charging issue and/or overheating and in a worst-case scenario a High Voltage Battery or vehicle fire.

Fix: Replace the High Voltage Battery.

Recalled models: 508 PHEV · 85 vehicles

R/2023/0996 Apr 2023Built 2019–2023Affected vehicles may face the risk of perforation of the HV battery reinforcing plate/battery cover over the vehicle lifetime due to water intrusion.

Affected vehicles may face the risk of perforation of the HV battery reinforcing plate/battery cover over the vehicle lifetime due to water intrusion.

Fix: A protective wax will be applied between HV battery reinforcing plate and battery cover.

Recalled models: 508 PHEV · 1,630 vehicles

R/2023/1095 Apr 2023Built 2019–2022Affected vehicles may experience HV Battery overheating that may lead to a HV Battery thermal runaway and in a worst case to a battery or vehicle fire.

Affected vehicles may experience HV Battery overheating that may lead to a HV Battery thermal runaway and in a worst case to a battery or vehicle fire.

Fix: The BMS (Battery Management System) will be reprogrammed with enhanced battery monitoring software.

Recalled models: 508 PHEV FWD · 1,693 vehicles

R/2023/1024 Apr 2023Built 2019–2022Affected vehicles may experience HV Battery overheating that may lead to a HV Battery thermal runaway and in a worst case to a battery or vehicle fire.

Affected vehicles may experience HV Battery overheating that may lead to a HV Battery thermal runaway and in a worst case to a battery or vehicle fire.

Fix: The BMS (Battery Management System) will be reprogrammed with enhanced battery monitoring software.

Recalled models: 508 PHEV AWD · 975 vehicles

R/2023/1064 Apr 2023Built 2019–2022Affected vehicles may experience HV Battery overheating that may lead to a HV Battery thermal runaway and in a worst case to a battery or vehicle fire..

Affected vehicles may experience HV Battery overheating that may lead to a HV Battery thermal runaway and in a worst case to a battery or vehicle fire.

Fix: The BMS (Battery Management System) will be reprogrammed with enhanced battery monitoring software.

Recalled models: 508 PHEV FWD · 2,901 vehicles

R/2023/05823 Feb 2023Built 2022–2023Affected vehicles may have an incorrect torque on several fixation points which could result in reduced control of the vehicle and overheating of electrical connections.

Affected vehicles may have an incorrect torque on several fixation points which could result in reduced control of the vehicle and overheating of electrical connections.

Fix: Check and tighten fixings to correct torque.

Recalled models: 508 V2 · 9 vehicles

R/2022/23526 Jul 2022Built 2018–2020The engine management software calibration could be incorrect

The engine management software calibration could be incorrect causing engine stall.

Fix: Upload updated engine management software.

Recalled models: 508 V2 · 826 vehicles

R/2022/22821 Jul 2022Built 2019A high voltage battery where there is a mismatch in the voltage of the individual cells

A high voltage battery where there is a mismatch in the voltage of the individual cells.

Fix: Replace the high voltage battery.

Recalled models: 508 V2 · 8 vehicles

R/2022/22721 Jul 2022Built 2019A high voltage battery where there is a mismatch in the voltage of the individual cells

A high voltage battery where there is a mismatch in the voltage of the individual cells.

Fix: Replace the HV traction battery

Recalled models: 508 V2 · 4 vehicles

R/2021/2753 Aug 2021Built 2018–2021The accessory roof rack could detach from the vehicle if used to carry items other than a roof box

The accessory roof rack for the Peugeot 508 saloon could detach from the vehicle if used to carry items other than a roof box.

Fix: A full refund will be offered by the selling retailer (return of the roof rack and receipt) and recommend the customer purchase another solution to transport bicycle(s).

Recalled models: 508 · 3,376 vehicles

R/2020/3668 Dec 2020Built 2019On some traction battery cells the alignment of the electrodes may be out of specification

On affected vehicles the alignment of the electrodes may be out of specification on some cells of the traction batteries which may result in the release of toxic fumes or a thermal runaway.

Fix: Replace the traction / drive battery.

Recalled models: 508 V2 · 3 vehicles

R/2020/33113 Nov 2020Built 2019The filtering performance of the diesel particulate filter may not meet the required specification

The filtering performance of the Diesel Particle Filter (DPF) may not meet the required specification.

Fix: Replace the DPF on affected vehicles.

Recalled models: 508 · 959 vehicles

R/2020/05225 Feb 2020Built 2019–2020Certain rear suspension fixing bolts may not conform to specification

Certain rear suspension fixing bolts may not conform to specification which could cause them to break.

Fix: Replace the affected bolts

Recalled models: 508 · 78 vehicles

R/2019/33026 Sept 2019Built 2013–2016Due to the calibration of the engine management software the nox emissions may not comply with regulatory limits

The calibration of the engine management software could result in emissions of NOx which do not comply with the regulatory limits.

Fix: Download new engine management software

Recalled models: 508 · 9,218 vehicles

R/2018/04814 Feb 2018Built 2012–2015Engine may overheat

The engine electronic cooling management control strategy and the maximum temperature alert threshold could cause the engine to overheat. This could result in a warning light and a message being displayed on the instrument panel.

Fix: On affected vehicles download a new engine management software in order to modify the cooling management parameters to improve the control of the engine operating temperature.

Recalled models: 508 · 1,579 vehicles

R/2017/34015 Dec 2017Built 2017Engine component may not be to specification

An engine component may not be to specification which could result in loss of engine performance. This may lead to the engine stalling and potentially causing an engine failure. In very unlikely circumstances the vehicle speed may increase without warning but will stop on its own after a few seconds.

Fix: On affected vehicles carry out a functional diagnostic check of the engine. If necessary replace the engine.

Recalled models: 508 · 416 vehicles

R/2017/2156 Jul 2017Built 2013–2017Starter supply wire may chafe

The positioning of the starter motor supply terminal may not conform to specification. Contact with a neighbouring component could cause a short circuit.

Fix: On affected vehicles check the position of the terminal and where necessary reposition. Replace damaged components if necessary.

Recalled models: 508 · 7,394 vehicles

R/2017/14024 Apr 2017Built 2016Starter motor may not operate correctly

A possible nonconformity of an internal component of the starter motor relay could affect the control of the starter motor. This could adversely affect the starting operation and damage the starter motor due to overheating and in extreme cases there is a risk of fire.

Fix: On affected vehicles check and where necessary replace the starter motor relay.

Recalled models: 508 · 6,768 vehicles

R/2017/1257 Apr 2017Built 2016Gearbox actuator ay not be to spectification

A component in the gearbox actuator may not be to the correct specification which may affect gear selection.

Fix: On affected vehicles replace the gearbox actuator

Recalled models: 508 · 13 vehicles

R/2017/0907 Mar 2017Built 2016Front airbag may not deploy

The ignition module which triggers the front seat airbag may not deploy in the event of an impact. There is no indication to the driver the unit is faulty.

Fix: Recall the vehicles that are likely to be affected and replace the front seat airbag unit.

Recalled models: 508 · 6 vehicles

R/2015/2419 Dec 2015Built 2012–2014Fuel may leak

The fuel heating device integrated in to the diesel fuel filter cover may be defective and allow heat to build up within the electrical supply connector causing the cover to distort and air to enter the fuel circuit. This could make the vehicles difficult to start and a warning light will be illuminated on the dash board. The engine could be difficult or not possible to start. In the worst cases a diesel fuel leak could eventually appear.

Fix: Recall the vehicles that are likely to be affected and replace the fuel heater cover. Additionally the electrical connector will be inspected and where necessary replaced.

Recalled models: 508 · 12,833 vehicles

R/2013/1147 Oct 2013Built 2012–2013Risk of under bonnet fire

It is possible that a leak can occur between the injector spill rail connection and the plastic fuel return pipe. This can cause leakage of fuel which can either pool on the engine cylinder head and then become deposited onto the road surface where it could cause a skid risk to other motorist or if the fuel comes into contact with extremely hot engine components an exhaust manifold for instance it is possible that an under bonnet fire could ensue.

Fix: Recall the vehicles that are likely to be affected to check the sealing of the fuel return pipe connection on each injector and if necessary replace the injectors as well as the fuel return pipes.

Recalled models: 508 · 353 vehicles

Show all 28 recalls

DVSA vehicle safety recalls (Crown copyright, Open Government Licence).

Checking a Peugeot 508 before you buy

Look at the parts above at the viewing, and read the car’s own MOT history: advisories for the same parts suggest the problem is already starting. Sweep’s free check shows every MOT, advisory and mileage reading for a registration.

Source: DVSA anonymised MOT tests 2023 (Open Government Licence v3.0). Failure rates compare this model with all cars in the same age band. Fix prices are typical independent-garage estimates.

Peugeot 508 reliability

28 DVSA recalls for the Peugeot 508

Checking a Peugeot 508 before you buy

Run this check on every listing, automatically.