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M666 SML

2009 Mercedes-benz B-class

Brown Diesel 1991cc
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MOT Status

Valid
Expires22 Sep 2027
Tests21 (16 pass, 5 fail)
Pass rate76.2%

Mileage

101,503 mi
Last recorded101,503 miles
Recorded on23 Sep 2026
Typical for 2009 Mercedes-benz B-class63,922 mi

Significantly above average — investigate

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

RegistrationM666 SML
MakeMercedes-benz
ModelB-class
Year2009
ColourBrown
Fuel typeDiesel
Engine1,991cc

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

16 pass 5 fail
Pass 23 Sep 2026 101,503 miles

Nearside Front Inner Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Offside Front Lower Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

Pass 19 Aug 2025 85,271 miles

Central Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Nearside Front Inner Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

Fail 15 Aug 2025 85,271 miles

Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i))

Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))

Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i))

Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))

Central Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Nearside Front Inner Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

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

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

Pass 18 Jul 2024 80,066 miles
Pass 18 Jul 2023 73,293 miles
Pass 13 Jul 2022 67,005 miles
Pass 12 Jul 2021 62,538 miles
Pass 15 Jul 2020 59,419 miles
Fail 15 Jul 2020 59,418 miles

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

Pass 2 May 2019 56,522 miles

Items removed from driver's view prior to test

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

Nearside Rear Tyre slightly damaged/cracking or perishing 205/55-16 (5.2.3 (d) (ii))

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

Registration plate deteriorated but not likely to be misread Both (0.1 (b))

Fail 2 May 2019 56,522 miles

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

Items removed from driver's view prior to test

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

Nearside Rear Tyre slightly damaged/cracking or perishing 205/55-16 (5.2.3 (d) (ii))

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

Registration plate deteriorated but not likely to be misread Both (0.1 (b))

Pass 29 Mar 2018 53,579 miles

Both rear tyres perishing.

registration plate deteriorated but not likely to be misread Both (6.3.1d)

Fail 29 Mar 2018 53,579 miles

Both rear tyres perishing.

Offside Windscreen washer provides insufficient washer liquid (8.2.3)

registration plate deteriorated but not likely to be misread Both (6.3.1d)

Pass 30 Mar 2017 49,650 miles

Rear registration plate deteriorated but not likely to be misread (6.3.1d)

Pass 18 Mar 2016 38,515 miles
Pass 18 May 2015 34,769 miles

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Pass 6 May 2014 29,322 miles
Pass 23 May 2013 22,946 miles
Fail 17 May 2013 22,772 miles

Offside Side repeater not working (1.4.A.2c)

Pass 17 May 2012 16,552 miles
Pass 21 Feb 2012 15,964 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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M666 SML is a 2009 Mercedes-benz B-class in Brown with a 1,991cc diesel engine. This vehicle has been through 21 MOT tests with a personal pass rate of 76.2%.

Across all 2009 Mercedes-benz B-class models, the average MOT pass rate is 76.4% with a typical mileage of 63,922 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 M666 SML, 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 17 years old, this Mercedes-benz B-class is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of M666 SML?

You can check the full history of M666 SML by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was M666 SML registered?

M666 SML is a 2009 Mercedes-benz B-class, first registered on 1 March 2009.

Is M666 SML safe to buy?

The MOT history for M666 SML shows 21 tests with a 76.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does M666 SML 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 M666 SML. 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.