MOT failure · RFR #30826
Windscreen or window damaged or seriously discoloured and affecting the driver's view of the road or of an obligatory external mirror
Total
114
Models
32
Models most at risk.
Ranked by rate, not raw volume. A Fiesta shows every failure a lot because there are a lot of Fiestas. Rate = share of that model's own MOTs.
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- 01 Land Rover Defender X Dynamic SE D Mhev A 0.34%
- 02 Audi A5 S Line ED 1 40 Tfsi Mhev SA 0.25%
- 03 Audi Sq5 Vorsprung Tdi Quattro Auto 0.25%
- 04 Hyundai Kona SE Connect Gdi Hev S A 0.24%
- 05 Ford Kuga Titanium Frst ED Phev Cvt 0.23%
- 06 BMW 520d Xdrive M Sport Mhev Auto 0.22%
- 07 Land Rover R Rover Sport Hse Dyn D Mhev A 0.19%
- 08 Toyota Hilux Invincib X D 4d4wd Dcb A 0.17%
- 09 Suzuki Vitara Sz4 Boosterjet Mhev 0.17%
- 10 Audi A3 S Line 30 Tfsi Mhev S A 0.17%
- 11 Land Rover Discovery Hse D Mhev Auto 0.17%
- 12 Volvo V90 Momentum + T4 Auto 0.16%
- 13 Mercedes Benz Glc 300 Amg Line Prem D 4M A 0.15%
- 14 BMW X5 Xdrive40d M Sport Mhev Auto 0.15%
- 15 Vauxhall Corsa Griffin Turbo 0.15%
- 16 Mercedes Benz Evito Progressive 0.14%
- 17 Volvo Xc40 R Design T5 Recharge Auto 0.13%
- 18 Skoda Octavia SE L Tsi IV S A 0.13%
- 19 Skoda Karoq SE Drive Tsi 0.13%
- 20 Mercedes Benz A 180 Amg Line ED Executive A 0.12%
- 21 Audi A4 S LN Blk ED 35 Tfsi Mhev SA 0.12%
- 22 Volkswagen Golf Clubsport Gti Tsi S A 0.12%
- 23 Kia Stonic GT Line Isg Mhev 0.11%
- 24 Volkswagen T Roc Sel Tsi Evo S A 0.11%
- 25 Volkswagen T Roc Active Tsi Evo S A 0.11%
- 26 Peugeot 3008 Allure Premium P Tech S/s 0.11%
- 27 Kia Niro 2 Phev S A 0.11%
- 28 Peugeot 2008 GT Line Puretech S/s Auto 0.09%
- 29 Mercedes Benz A 250 Amg Line Premium E Auto 0.09%
- 30 Kia Stonic Connect Mhev 0.08%
Top 30 by rate. 2 more models also logged this defect.
Typical UK garage cost
£8–£60
for mirror glass / housing. Range covers regional rate spread + part-quality variance. Open the estimator →
Pre-empt this fail · Amazon UK
Replacement wing mirror glass
A cracked mirror glass on the offside is a fail; nearside is an advisory. £8 of self-adhesive replacement glass clears it.
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Frequently asked.
- Why does windscreen or window damaged or seriously… fail an MOT?
- Windscreen or window damaged or seriously discoloured and affecting the driver's view of the road or of an obligatory external mirror. Most commonly flagged on the Land Rover Defender X Dynamic SE D Mhev A. UK MOT standards require this item to meet minimum safety thresholds — when it falls short, the tester logs it as a Major or Dangerous defect and the car fails outright.
- How much does it cost to fix windscreen or window damaged or seriously…?
- Typical UK garage cost for mirror glass / housing is £8–£60. The range reflects regional labour rate differences and part-quality choices. Main dealer rates are usually 30–50% higher.
- Can I fix windscreen or window damaged or seriously… myself?
- Many owners handle this with basic tools. The parts or products listed above are commonly used for this repair. Check your vehicle handbook and confirm the fix clears the defect before booking a retest.
Real examples from owners.
Owner reports sourced from honestjohn.co.uk that mention keywords from this failure. Matched, not summarised.
Audi A3 S Line 30 Tfsi Mhev S A
29 Sep 2021
Report of battery cut out on 2021 Audi A3 1.5 TSI. Dealer has suggested that the problem may be caused by driving over a hump or pothole in the road. Audi dealer says this is a "common problem which is being taken up with Audi as the switches are too sensit…
Vauxhall Corsa Griffin Turbo
8 Oct 2018
Report of driver's information screen of new 2018 Vauxhall Corsa 1.4 Turbo randomly going blank. This displays individual pressures of each of the four wheels and autumn condensation might be affecting the TPMS and hence the info screen.
Audi A4 S LN Blk ED 35 Tfsi Mhev SA
16 Feb 2019
Complaint of "soft knocking sound around driver's right ear" when driving on a "roughish road surface" in a new Audi A4 B9. Seems to be from an area around drivers window/door lock/door pillar. Likely to be the inertia reel seatbelt pendulum.
My Motor World · affiliate
Parts & supplies for this fix
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Summit
Summit SRG-16 Replacement Stick-On Standard Mirror Glass RHS
£3.29
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Summit
Summit SRG-03 Replacement Stick-On Standard Mirror Glass RHS
£4.39
View at My Motor World →
Summit
Summit SRG-114 Replacement Stick-On Standard Mirror Glass RHS
£4.39
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Summit
Summit SRG-12 Replacement Stick-On Standard Mirror Glass RHS
£4.39
View at My Motor World →
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