CarVerify

Free Car Check

WL66 CWG

2017 Seat Mii

Black Petrol 999cc
Search another vehicle

MOT Status

Valid
Expires9 Apr 2027
Tests12 (7 pass, 5 fail)
Pass rate58.3%

Mileage

42,299 mi
Last recorded42,299 miles
Recorded on10 Apr 2026
Typical for 2017 Seat Mii28,530 mi

Significantly above average — investigate

4 checks still locked for this Seat
Stolen
Finance
Write-off
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £9.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationWL66 CWG
MakeSeat
ModelMii
Year2017
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

7 pass 5 fail
Pass 10 Apr 2026 42,299 miles

Nearside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Fail 7 Apr 2026 42,295 miles

Emissions unable to be completed (8.2.1.2 (d))

Front Windscreen washer not working (3.5 (a))

Offside Front Position lamp not working (4.2.1 (a) (ii))

Coolant leak ()

Nearside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Pass 8 Apr 2025 37,470 miles

Fluid leak, but not excessive Coolant (8.4.1 (a) (i))

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

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

Fail 2 Apr 2025 37,470 miles

Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))

Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits (8.2.1.2 (a))

Exhaust carbon monoxide content at idle exceeds manufacturer's specified limits (8.2.1.2 (b))

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

Fluid leak, but not excessive Coolant (8.4.1 (a) (i))

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

Offside Front Position lamp not working (4.2.1 (a) (ii))

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

Parking brake lever defective but can be satisfactorily operated Little reserve (1.1.6 (d))

Pass 5 Jan 2024 35,821 miles

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

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

Fail 3 Jan 2024 35,821 miles

Anti-lock braking system warning lamp indicates an ABS fault (1.6 (b))

Electronic stability control warning lamp indicates a fault (7.12 (e))

Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b))

Tyre pressure monitoring system malfunctioning or obviously inoperative (5.2.3 (h))

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

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

Pass 22 Dec 2022 34,637 miles

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

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

Fail 20 Dec 2022 34,635 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

Front Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii)) DANGEROUS

Front Brake disc worn, but not excessively (1.1.14 (a) (i))

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

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

Pass 22 Dec 2021 29,592 miles

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Fail 21 Dec 2021 29,585 miles

Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits (8.2.1.2 (a))

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 16 Dec 2020 26,635 miles
Pass 6 Jun 2020 22,643 miles

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

Don't risk it. Know before you buy.

Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

£30k guarantee Instant results Cancel anytime

WL66 CWG is a 2017 Seat Mii in Black with a 999cc petrol engine. This vehicle has been through 12 MOT tests with a personal pass rate of 58.3%.

Across all 2017 Seat Mii models, the average MOT pass rate is 86.3% with a typical mileage of 28,530 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 9 years old, this Seat Mii is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of WL66 CWG?

You can check the full history of WL66 CWG by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was WL66 CWG registered?

WL66 CWG is a 2017 Seat Mii, first registered on 23 February 2017.

Is WL66 CWG safe to buy?

The MOT history for WL66 CWG shows 12 tests with a 58.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does WL66 CWG 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 WL66 CWG. 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.