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M9 CFN

2017 Mercedes-benz B-class

Silver Diesel 2143cc
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MOT Status

Valid
Expires22 Apr 2027
Tests10 (7 pass, 3 fail)
Pass rate70%

Mileage

57,365 mi
Last recorded57,365 miles
Recorded on23 Apr 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

RegistrationM9 CFN
MakeMercedes-benz
ModelB-class
Year2017
ColourSilver
Fuel typeDiesel
Engine2,143cc

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50+ data points
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MOT History

7 pass 3 fail
Pass 23 Apr 2026 57,365 miles

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

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

Fail 23 Apr 2026 57,365 miles

Front Service brake excessively fluctuating (1.2.1 (e))

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

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

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

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

Pass 2 Apr 2025 50,496 miles
Fail 2 Apr 2025 50,496 miles

Nearside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Pass 17 Apr 2024 43,829 miles
Pass 15 Apr 2023 36,233 miles
Fail 15 Apr 2023 36,233 miles

Tyre pressure monitoring system malfunctioning or obviously inoperative (5.2.3 (h))

Pass 14 Apr 2022 27,436 miles

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

Pass 13 Apr 2021 15,509 miles
Pass 6 Mar 2020 10,881 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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M9 CFN is a 2017 Mercedes-benz B-class in Silver 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 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 M9 CFN, 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 M9 CFN?

You can check the full history of M9 CFN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was M9 CFN registered?

M9 CFN is a 2017 Mercedes-benz B-class, first registered on 24 March 2017.

Is M9 CFN safe to buy?

The MOT history for M9 CFN 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 M9 CFN 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 M9 CFN. 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.