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KM66 NWW

2017 Mercedes-benz B-class

Black Diesel 1461cc
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MOT Status

Valid
Expires2 Mar 2027
Tests10 (7 pass, 3 fail)
Pass rate70%

Mileage

75,279 mi
Last recorded75,279 miles
Recorded on3 Mar 2026
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 NWW
MakeMercedes-benz
ModelB-class
Year2017
ColourBlack
Fuel typeDiesel
Engine1,461cc

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MOT History

7 pass 3 fail
Pass 3 Mar 2026 75,279 miles

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

Nearside Front door damaged and makes contact with wing

Fail 27 Feb 2026 75,250 miles

Central Front Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))

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

Nearside Front door damaged and makes contact with wing

Pass 27 Feb 2025 68,833 miles

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

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

Offside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Pass 26 Feb 2024 59,374 miles
Fail 26 Feb 2024 59,374 miles

Nearside Rear Road wheel fixing missing (5.2.1 (a) (i))

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

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

Pass 18 Feb 2023 51,199 miles
Fail 18 Feb 2023 51,199 miles

Offside Rear Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

Pass 26 Feb 2022 44,071 miles
Pass 27 Feb 2021 34,695 miles

Nearside Front Tyre worn close to legal limit/worn on edge and has outer sidewall damage (5.2.3 (e))

Pass 28 Feb 2020 24,308 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 NWW is a 2017 Mercedes-benz B-class in Black with a 1,461cc diesel engine. This vehicle has been through 10 MOT tests with a personal pass rate of 70%.

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 NWW, 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 NWW?

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

What year was KM66 NWW registered?

KM66 NWW is a 2017 Mercedes-benz B-class, first registered on 28 February 2017.

Is KM66 NWW safe to buy?

The MOT history for KM66 NWW 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 KM66 NWW 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 NWW. 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.