CarVerify

Free Car Check

MUM 321V

2017 Mercedes-benz B-class

Black Diesel 2143cc
Search another vehicle

MOT Status

Valid
Expires16 May 2027
Tests10 (8 pass, 2 fail)
Pass rate80%

Mileage

44,048 mi
Last recorded44,048 miles
Recorded on23 Apr 2026
Typical for 2017 Mercedes-benz B-class35,198 mi

Above average mileage for this year

4 checks still locked for this Mercedes-benz
Stolen
Finance
Write-off
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £14.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationMUM 321V
MakeMercedes-benz
ModelB-class
Year2017
ColourBlack
Fuel typeDiesel
Engine2,143cc

All premium checks include

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

8 pass 2 fail
Pass 23 Apr 2026 44,048 miles
Pass 25 Apr 2025 34,520 miles
Pass 3 May 2024 25,779 miles
Pass 17 May 2023 16,043 miles
Fail 11 May 2023 16,038 miles

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

Pass 6 Jun 2022 14,401 miles
Fail 6 Jun 2022 14,401 miles

Nearside Front Tyre has a lump, caused by separation or partial failure of its structure inner wall. (5.2.3 (d) (ii)) DANGEROUS

Pass 3 Jun 2021 12,611 miles
Pass 22 Jun 2020 10,653 miles

Vehicles internal headlight adjuster altered to recheck lights ()

Pass 20 Jun 2020

COVID-19 6 MONTH EXTENSION

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

Don't risk it. Know before you buy.

Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

£30k guarantee Instant results Cancel anytime

MUM 321V is a 2017 Mercedes-benz B-class in Black with a 2,143cc diesel engine. This vehicle has been through 10 MOT tests with a personal pass rate of 80%.

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 MUM 321V, 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 MUM 321V?

You can check the full history of MUM 321V by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was MUM 321V registered?

MUM 321V is a 2017 Mercedes-benz B-class, first registered on 28 June 2017.

Is MUM 321V safe to buy?

The MOT history for MUM 321V shows 10 tests with a 80% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does MUM 321V 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 MUM 321V. 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.