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KN66 FWU

2017 Mercedes-benz C

Black Diesel 2143cc
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MOT Status

Valid
Expires24 Mar 2027
Tests10 (7 pass, 3 fail)
Pass rate70%

Mileage

140,118 mi
Last recorded140,118 miles
Recorded on25 Mar 2026
Typical for 2017 Mercedes-benz C45,611 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
Stolen
Finance
Write-off
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Vehicle Details

RegistrationKN66 FWU
MakeMercedes-benz
ModelC
Year2017
ColourBlack
Fuel typeDiesel
Engine2,143cc

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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 3 fail
Pass 25 Mar 2026 140,118 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Offside Rear Tyre worn close to legal limit/worn on edge Under 2mm (5.2.3 (e))

Vehicle under covers not allowing full inspection on some components

Pass 21 Mar 2025 118,759 miles

Nearside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

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

Rear Tyre worn close to legal limit/worn on edge both at 2mm (5.2.3 (e))

Fail 18 Mar 2025 118,755 miles

Front Windscreen washer provides insufficient washer liquid (3.5 (a))

Nearside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

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

Rear Tyre worn close to legal limit/worn on edge both at 2mm (5.2.3 (e))

Pass 18 Mar 2024 103,300 miles
Fail 18 Mar 2024 103,300 miles

Nearside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

Pass 22 Feb 2023 80,843 miles
Fail 22 Feb 2023 80,842 miles

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

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

Pass 4 Feb 2022 56,341 miles
Pass 6 Jan 2021 45,545 miles
Pass 17 Jan 2020 36,630 miles

How Reliable is the Mercedes-benz C?

Based on 8,031,355 MOT tests across 683,668 vehicles.

77.6%
Pass Rate
6,412
Miles/Year
32
Year Lifespan
683,668
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 240,078
Suspension arm has excessive play in a ball joint 76,831
Track rod end ball joint has excessive play 67,503
Brake pipe excessively corroded 66,298
coil spring broken 61,560
Full Mercedes-benz C reliability report

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KN66 FWU is a 2017 Mercedes-benz C in Black with a 2,143cc diesel engine. This vehicle has been through 10 MOT tests with a personal pass rate of 70%.

Across all 2017 Mercedes-benz C models, the average MOT pass rate is 87.2% with a typical mileage of 45,611 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Mercedes-benz C fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 240,078 recorded failures. If you're considering buying KN66 FWU, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz C typically stays on UK roads for around 32 years. At 9 years old, this Mercedes-benz C is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of KN66 FWU?

You can check the full history of KN66 FWU by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN66 FWU registered?

KN66 FWU is a 2017 Mercedes-benz C, first registered on 12 January 2017.

Is KN66 FWU safe to buy?

The MOT history for KN66 FWU shows 10 tests with a 70% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN66 FWU 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 KN66 FWU. 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.