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K4 FNG

2021 Mercedes-benz C

Black Diesel 2997cc
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MOT Status

Valid
Expires3 Mar 2027
Tests12 (9 pass, 3 fail)
Pass rate75%

Mileage

88,184 mi
Last recorded88,184 miles
Recorded on4 Mar 2026
Typical for 2021 Mercedes-benz C30,054 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
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Vehicle Details

RegistrationK4 FNG
MakeMercedes-benz
ModelC
Year2021
ColourBlack
Fuel typeDiesel
Engine2,997cc

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MOT History

9 pass 3 fail
Pass 4 Mar 2026 88,184 miles

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

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

Front Shock absorbers has light misting of oil both (5.3.2 (b))

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

Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))

Oil leak, but not excessive (8.4.1 (a) (i))

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

Fail 4 Mar 2026 88,184 miles

Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))

Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))

Rear Brake pad(s) worn down to wear indicator (1.1.13 (a) (i))

Nearside Rear Tyre has ply or cords damaged (5.2.3 (d) (ii)) DANGEROUS

Offside Rear Tyre has ply or cords exposed 2553519 (5.2.3 (d) (ii)) DANGEROUS

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

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

Front Shock absorbers has light misting of oil both (5.3.2 (b))

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

Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))

Oil leak, but not excessive (8.4.1 (a) (i))

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

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

Pass 18 Nov 2025 60,128 miles
Pass 4 Mar 2025 74,995 miles
Pass 27 Nov 2024 49,742 miles
Pass 25 Apr 2024 44,053 miles
Pass 19 Feb 2024 62,441 miles
Pass 7 Feb 2023 49,395 miles
Pass 21 Mar 2022 44,371 miles
Fail 14 Mar 2022 44,303 miles

Windscreen washer provides insufficient washer liquid unable to test wipers (3.5 (a))

Pass 12 Nov 2020 29,589 miles
Fail 11 Nov 2020 20,710 miles

Nearside Front Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

Offside Front Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

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

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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K4 FNG is a 2021 Mercedes-benz C in Black with a 2,997cc diesel engine. This vehicle has been through 12 MOT tests with a personal pass rate of 75%.

Across all 2021 Mercedes-benz C models, the average MOT pass rate is 88.9% with a typical mileage of 30,054 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 K4 FNG, 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 5 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 K4 FNG?

You can check the full history of K4 FNG by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was K4 FNG registered?

K4 FNG is a 2021 Mercedes-benz C, first registered on 23 April 2021.

Is K4 FNG safe to buy?

The MOT history for K4 FNG shows 12 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does K4 FNG 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 K4 FNG. 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.