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KM66 FNG

2017 Mercedes-benz B-class

Blue Diesel 1461cc
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MOT Status

Valid
Expires21 Oct 2026
Tests9 (7 pass, 2 fail)
Pass rate77.8%

Mileage

78,083 mi
Last recorded78,083 miles
Recorded on10 Oct 2025
Typical for 2017 Mercedes-benz B-class35,198 mi

Significantly above average — investigate

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

RegistrationKM66 FNG
MakeMercedes-benz
ModelB-class
Year2017
ColourBlue
Fuel typeDiesel
Engine1,461cc

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MOT History

7 pass 2 fail
Pass 10 Oct 2025 78,083 miles

Nearside Front Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))

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

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

Fail 10 Oct 2025 78,081 miles

Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))

Windscreen washer not working (3.5 (a))

Nearside Front Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))

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

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

Pass 16 Oct 2024 67,389 miles
Pass 9 Oct 2023 58,962 miles

Front Tyre slightly damaged/cracking or perishing both also worn (5.2.3 (d) (ii))

Rear Coil spring corroded both (5.3.1 (b) (i))

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

Fail 9 Oct 2023 58,957 miles

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

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

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

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

Front Tyre slightly damaged/cracking or perishing both also worn (5.2.3 (d) (ii))

Rear Coil spring corroded both (5.3.1 (b) (i))

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

Pass 17 Oct 2022 49,584 miles

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

Offside Front Outer Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

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

Pass 29 Sep 2021 41,691 miles

Front Tyre worn close to legal limit/worn on edge tyres wearing close to tread wear bars and perishing on walls (5.2.3 (e))

Pass 20 Oct 2020 35,575 miles
Pass 22 Oct 2019 30,108 miles

How Reliable is the Mercedes-benz B-class?

Based on 984,871 MOT tests across 77,700 vehicles.

79.4%
Pass Rate
5,590
Miles/Year
21
Year Lifespan
77,700
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 6,159
coil spring broken 5,250
Full Mercedes-benz B-class reliability report

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KM66 FNG is a 2017 Mercedes-benz B-class in Blue with a 1,461cc diesel engine. This vehicle has been through 9 MOT tests with a personal pass rate of 77.8%.

Across all 2017 Mercedes-benz B-class models, the average MOT pass rate is 87.3% with a typical mileage of 35,198 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 B-class fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 6,159 recorded failures. If you're considering buying KM66 FNG, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz B-class typically stays on UK roads for around 21 years. At 9 years old, this Mercedes-benz B-class is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of KM66 FNG?

You can check the full history of KM66 FNG by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KM66 FNG registered?

KM66 FNG is a 2017 Mercedes-benz B-class, first registered on 3 January 2017.

Is KM66 FNG safe to buy?

The MOT history for KM66 FNG shows 9 tests with a 77.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KM66 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 KM66 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.