Peugeot 208 MOT Guide: Common Failures, Costs & How to Prepare

The Peugeot 208 has quietly become one of the UK's most popular superminis. Since launching in 2012, it has sold in huge numbers and is now a regular sight at MOT stations across the country. The second-generation model — including the fully electric e-208, which won European Car of the Year in 2020 — has only added to that popularity.

But popularity doesn't mean problem-free. The 208 has well-known weak spots that MOT testers see again and again. This guide covers the most common Peugeot 208 MOT failures by generation, what they cost to fix, and how to prepare for a first-time pass.

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Peugeot 208 Generations at a Glance

Generation	Years	Engine Options	Notes
Mk1 (A9)	2012–2019	1.0/1.2 PureTech petrol, 1.4/1.6 BlueHDi diesel	The original. Huge numbers still on the road. Diesel variants have particular issues.
Mk2 / e-208 (P21)	2019–present	1.2 PureTech petrol, 1.5 BlueHDi diesel, fully electric (e-208)	Sharper styling, more tech, and an EV option. The PureTech timing belt is the big talking point.

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Mk1 Peugeot 208 (2012–2019): What to Watch For

These are now between 7 and 14 years old, so many are well into their MOT life. The petrols are generally solid, but the diesels have a few pain points that are worth knowing about before test day.

Common Failure Points

1. AdBlue system failures (1.6 BlueHDi) — Common and costly

The 1.6 BlueHDi diesel uses an AdBlue injection system to meet emissions standards. When it goes wrong — and it does — you'll get warning lights, limp mode, and ultimately an emissions failure at MOT. The injector, pump, and tank heater are all known weak points.

• Symptoms: AdBlue warning light, engine management light, reduced power or limp mode
• Cost to fix: £300–£800 depending on the component. A full AdBlue pump replacement is at the top end.
• DIY? Not really. The system needs diagnostic equipment to reset properly after repair.

2. DPF clogging (all diesels) — Especially urban drivers

The diesel particulate filter on Mk1 208s clogs up quickly if the car is used mainly for short trips around town. A blocked DPF will cause an emissions failure and is one of the most common reasons 208 diesels fail their MOT.

• Symptoms: DPF warning light, loss of power, rough idle, increased fuel consumption
• Cost to fix: £100–£300 for a forced regeneration. £800–£1,500 for a full DPF replacement if it's beyond saving.
• DIY? You can try a long motorway run at 2,500+ RPM for 30–40 minutes to trigger a regeneration. If the light stays on, it needs professional attention.

3. Front suspension springs — Snapping at the lower coil

Much like many French cars of this era, the Mk1 208 is prone to broken front coil springs. They corrode at the base and eventually snap, usually where they sit on the spring perch. A broken spring is an immediate MOT failure.

• Symptoms: Clunking over bumps, car sitting lower on one side, visible gap in the spring coil
• Cost to fix: £80–£150 per side (parts and labour)
• DIY? Possible with spring compressors, but not a job for beginners.

4. Steering rack play

Wear in the steering rack is a known issue on higher-mileage Mk1 208s. The MOT tester will check for excessive play, and a worn rack will fail. You might not notice it day-to-day, but the tester will.

• Symptoms: Vague steering feel, slight knocking when turning at low speed, uneven tyre wear
• Cost to fix: £400–£700 for a replacement steering rack (refurbished is often available and cheaper)
• DIY? No. This is a garage job.

5. Headlamp condensation

Moisture getting into the headlamp units is a common complaint on the Mk1 208. If the condensation is bad enough to significantly reduce light output, it can result in an MOT failure.

• Symptoms: Visible misting or water droplets inside the headlamp lens
• Cost to fix: £20–£50 for resealing. £150–£300 per unit if the headlamp needs replacing.
• DIY? Resealing is a reasonable DIY job if you're comfortable removing the headlamp unit.

6. Wiper motor issues

The front wiper motor on Mk1 208s can fail or become intermittent. Non-functioning wipers are a straight MOT failure, so this needs sorting before test day.

• Symptoms: Wipers slow, stopping mid-sweep, or not working at all
• Cost to fix: £100–£200 for a replacement motor fitted
• DIY? Yes, fairly straightforward with basic tools.

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Mk2 Peugeot 208 / e-208 (2019–Present): What to Watch For

The Mk2 is a much more modern car, and it's still relatively young in MOT terms. Early examples are now reaching their first or second test. The petrol models have one significant issue that every owner needs to be aware of, and the electric e-208 has its own quirks too.

Common Failure Points

1. 1.2 PureTech timing belt — This is a belt, not a chain

There is a widespread misconception that the 1.2 PureTech engine uses a timing chain. It does not. It uses a timing belt, and Peugeot's recommended replacement interval is 60,000 miles or 6 years. A snapped belt will destroy the engine. While the belt itself isn't an MOT item, a rough-running engine due to belt stretch or misfires will fail on emissions. If you're anywhere near 60,000 miles, get it done before your MOT.

• Symptoms: Rattling noise from the engine on cold start (early warning of belt wear), rough running, misfires
• Cost to fix: £400–£600 for a preventative timing belt and water pump replacement. Considerably more if the belt snaps.
• DIY? No. This requires specialist tools and experience.

2. LED headlight unit failures

The Mk2 208 uses LED headlights as standard on most trims. They look great, but when they fail, you're looking at a complete unit replacement rather than a simple bulb change. A faulty headlight is an MOT failure.

• Symptoms: Partial LED failure (some segments not illuminating), flickering, complete headlight failure
• Cost to fix: £400–£800 per unit. These are expensive because the LED elements are integrated into the headlamp assembly.
• DIY? Replacing the unit itself is manageable, but the cost of the part is the issue.

3. Electronic handbrake problems

The Mk2 208 uses an electronic parking brake. When it works, it's fine. When it doesn't, you've got an MOT failure on your hands. Seized calipers and motor failures have been reported on some early examples.

• Symptoms: Handbrake warning light, handbrake not engaging or releasing properly, grinding noise when applied
• Cost to fix: £200–£500 depending on whether it's the motor, caliper, or wiring.
• DIY? Not advisable. The electronic handbrake needs diagnostic software to calibrate after repair.

e-208 EV: Different MOT Considerations

If you own the fully electric e-208, your MOT experience is different. No engine, no exhaust, no emissions test, no timing belt. But the MOT still covers brakes, steering, suspension, lights, tyres, and bodywork.

One issue specific to EVs including the e-208 is brake disc corrosion from regenerative braking. Because regen does most of the slowing, the conventional brakes get used less. The discs develop surface corrosion and the pads can glaze, reducing braking performance. If severe enough, it will fail the MOT.

The fix is simple: use your conventional brakes more often. A few firm stops from speed once a week will keep the discs clean.

For a full breakdown of EV-specific MOT requirements, see our guide on whether electric cars need an MOT.

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Peugeot 208 MOT Prep Checklist

Use this alongside our full MOT checklist for 2026 to cover the 208-specific issues.

• Diesels: Take a 30-minute motorway run a day or two before the test to regenerate the DPF. Check the AdBlue level and top up if needed.
• 1.2 PureTech owners: Confirm your timing belt has been replaced if you're at or near 60,000 miles. Check service history.
• All models: Walk around the car and check every exterior light. LEDs can partially fail without you noticing from inside.
• Mk1 owners: Bounce each corner of the car and listen for clunking from the suspension springs. Check for uneven ride height.
• Steering: With the engine running, rock the steering wheel left and right at rest. Any clunking or excessive play is a sign of steering rack wear.
• Wipers: Run the wipers on all speeds. Check the washers work and the blades clear the screen cleanly.
• Headlamps: Look for condensation inside the lens. If there's visible moisture, get it sorted.
• e-208 owners: Check brake disc condition visually through the wheel spokes. Surface rust is normal, but heavy pitting or deep grooves need attention. Use conventional brakes regularly in the weeks before the test.
• Tyres: Check tread depth (minimum 1.6mm, but aim for 3mm) and look for sidewall damage, cracking, or bulges.
• Windscreen: Check for chips or cracks in the swept area. Anything larger than 10mm in the driver's line of sight is a failure.

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Peugeot 208 MOT Cost Guide

Issue	Typical Cost	Urgency
DPF forced regeneration	£100–£300	Do it before the test
DPF replacement	£800–£1,500	Only if regeneration fails
AdBlue system repair	£300–£800	Essential for diesel MOT pass
Front suspension spring (per side)	£80–£150	MOT failure if broken
Steering rack replacement	£400–£700	MOT failure if excessive play
Headlamp unit (Mk2 LED)	£400–£800	MOT failure if not working
Headlamp reseal (Mk1 condensation)	£20–£50	Advisable before test
Wiper motor replacement	£100–£200	MOT failure if wipers don't work
Electronic handbrake repair (Mk2)	£200–£500	MOT failure if not functioning
Timing belt and water pump (1.2 PureTech)	£400–£600	Preventative — do not skip
Brake disc replacement (e-208 corrosion)	£150–£300 per axle	MOT failure if badly corroded

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Key Takeaways

• Diesel 208 owners should prioritise DPF health and AdBlue system checks before every MOT. Short urban trips are the enemy of these systems.
• 1.2 PureTech owners must treat the timing belt replacement at 60,000 miles as non-negotiable. It is a belt, not a chain, regardless of what you may have read online.
• Mk1 owners should inspect suspension springs, the steering rack, and headlamp seals — these are the most common MOT failures on early 208s.
• Mk2 owners need to budget for potentially expensive LED headlight replacements and be aware of electronic handbrake issues.
• e-208 owners benefit from no emissions test, but should watch for brake disc corrosion caused by regenerative braking reducing conventional brake use. Read more in our electric car MOT guide.
• A pre-MOT check at home can catch many of these issues. Use our full MOT checklist alongside this guide.

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Check Your Peugeot 208 Before MOT Day

Don't wait until the test to find out something's wrong. Use our free MOT checker to see what's likely to come up on your Peugeot 208 based on its age, mileage, and MOT history.

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