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S300 KSM

2012 Seat Mii

Black Petrol 999cc
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MOT Status

Valid
Expires15 Sep 2026
Tests15 (11 pass, 4 fail)
Pass rate73.3%

Mileage

145,667 mi
Last recorded145,667 miles
Recorded on4 Sep 2025
Typical for 2012 Seat Mii45,229 mi

Significantly above average — investigate

4 checks still locked for this Seat
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationS300 KSM
MakeSeat
ModelMii
Year2012
ColourBlack
Fuel typePetrol
Engine999cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

11 pass 4 fail
Pass 4 Sep 2025 145,667 miles

Offside Front Tyre worn close to legal limit/worn on edge INNER EDGE (5.2.3 (e))

Suspension arm pin or bush worn but not resulting in excessive movement N/S AND O/S (5.3.4 (a) (i))

Fail 4 Sep 2025 145,667 miles

Brake lever has insufficient reserve travel (1.1.2 (a))

Front Brake disc significantly and obviously worn (1.1.14 (a) (i))

Parking brake efficiency below requirements (1.4.2 (a) (i))

Registration plate lamp does not illuminate simultaneously with the position lamps (4.7.2 (a))

Offside Front Tyre worn close to legal limit/worn on edge INNER EDGE (5.2.3 (e))

Suspension arm pin or bush worn but not resulting in excessive movement N/S AND O/S (5.3.4 (a) (i))

Pass 16 Sep 2024 139,898 miles

Offside Front Inner Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 7 Sep 2023 133,801 miles
Pass 2 Sep 2022 125,357 miles

N/S REAR FOOT AND H/BRAKE JUST MAKING EFFORT

Pass 7 Jan 2021 109,708 miles
Pass 8 Sep 2020 103,997 miles
Pass 10 Sep 2019 93,997 miles

Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 21 May 2018 76,268 miles
Fail 21 May 2018 76,268 miles

Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

Pass 30 May 2017 62,697 miles
Fail 24 May 2017 62,697 miles

Front brake disc in such a condition that it is seriously weakened (3.5.1i)

Headlamp aim too low both front (1.8)

Parking brake lever has no reserve travel (3.1.6b)

Parking brake: efficiency below requirements (3.7.B.7)

rear brake binding both rear (3.7.B.1)

Pass 23 May 2016 49,027 miles

Nearside Front Inner brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Front Inner brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Fail 23 May 2016 49,027 miles

Supplementary Restraint System warning lamp indicates a fault (5.4.2)

Nearside Front Inner brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Front Inner brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Pass 3 Jun 2015 35,523 miles

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Front Tyre worn close to the legal limit (4.1.E.1)

Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

How Reliable is the Seat Mii?

Based on 178,602 MOT tests across 18,080 vehicles.

83.2%
Pass Rate
4,559
Miles/Year
14
Year Lifespan
18,080
On UK Roads
Full Seat Mii reliability report

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S300 KSM is a 2012 Seat Mii in Black with a 999cc petrol engine. This vehicle has been through 15 MOT tests with a personal pass rate of 73.3%.

Across all 2012 Seat Mii models, the average MOT pass rate is 80.7% with a typical mileage of 45,229 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The Seat Mii typically stays on UK roads for around 14 years. At 14 years old, this Seat Mii is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of S300 KSM?

You can check the full history of S300 KSM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was S300 KSM registered?

S300 KSM is a 2012 Seat Mii, first registered on 31 May 2012.

Is S300 KSM safe to buy?

The MOT history for S300 KSM shows 15 tests with a 73.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does S300 KSM have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on S300 KSM. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.