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KM17 ONN

2017 Mercedes-benz B-class

Silver Diesel 2143cc
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MOT Status

Valid
Expires27 Feb 2027
Tests8 (7 pass, 1 fail)
Pass rate87.5%

Mileage

52,092 mi
Last recorded52,092 miles
Recorded on28 Feb 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

RegistrationKM17 ONN
MakeMercedes-benz
ModelB-class
Year2017
ColourSilver
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 1 fail
Pass 28 Feb 2026 52,092 miles

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

Tyre slightly damaged/cracking or perishing Both front and rear (5.2.3 (d) (ii))

Fail 28 Feb 2026 52,092 miles

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

Headlamp aim projected beam image is obviously incorrect Both (4.1.2 (c))

Tyre slightly damaged/cracking or perishing Both front and rear (5.2.3 (d) (ii))

Pass 2 Dec 2024 23,435 miles
Pass 1 Mar 2024 21,553 miles
Pass 6 Mar 2023 19,052 miles

Nearside Front Tyre slightly damaged/cracking or perishing Tyre perishing within tread pattern. (5.2.3 (d) (ii))

Offside Front Tyre slightly damaged/cracking or perishing Tyre perishing within tread pattern (5.2.3 (d) (ii))

Pass 14 Mar 2022 17,867 miles
Pass 12 Mar 2021 16,106 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))

Pass 12 Mar 2020 14,790 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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KM17 ONN is a 2017 Mercedes-benz B-class in Silver with a 2,143cc diesel engine. This vehicle has been through 8 MOT tests with a personal pass rate of 87.5%.

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 performed better than the average for its year.

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 KM17 ONN, 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 KM17 ONN?

You can check the full history of KM17 ONN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KM17 ONN registered?

KM17 ONN is a 2017 Mercedes-benz B-class, first registered on 28 March 2017.

Is KM17 ONN safe to buy?

The MOT history for KM17 ONN shows 8 tests with a 87.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KM17 ONN 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 KM17 ONN. 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.