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M33 COT

2011 Mercedes-benz B-class

Brown Diesel 1991cc
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MOT Status

Valid
Expires9 Oct 2026
Tests16 (12 pass, 4 fail)
Pass rate75%

Mileage

140,379 mi
Last recorded140,379 miles
Recorded on10 Oct 2025
Typical for 2011 Mercedes-benz B-class56,113 mi

Significantly above average — investigate

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

RegistrationM33 COT
MakeMercedes-benz
ModelB-class
Year2011
ColourBrown
Fuel typeDiesel
Engine1,991cc

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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

12 pass 4 fail
Pass 10 Oct 2025 140,379 miles

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

Under-trays fitted obscuring some underside components

Pass 17 Sep 2024 138,820 miles
Fail 17 Sep 2024 138,820 miles

Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))

Parking brake efficiency below requirements (1.4.2 (a) (i))

Pass 15 Sep 2023 131,038 miles
Fail 7 Sep 2023 130,848 miles

Nearside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Nearside Headlamp aim too high (4.1.2 (a))

Nearside Side repeater not working In door mirror (4.4.1 (a) (ii))

Nearside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))

Offside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Offside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))

Items removed from driver's view prior to test ()

Vehicles internal headlight adjuster altered to recheck lights ()

Pass 22 Sep 2022 124,394 miles
Pass 10 Sep 2021 120,416 miles
Pass 24 Sep 2020 116,233 miles

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

Items removed from driver's view prior to test ()

Nearside Front Service brake binding but not excessively (1.2.1 (f))

Nearside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Offside Front Outer Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Front Service brake binding but not excessively (1.2.1 (f))

Offside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Fail 23 Sep 2020 116,224 miles

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

Nearside Side repeater light intensity significantly reduced (4.4.3 (a))

Offside Headlamp aim too low (4.1.2 (a))

Offside Headlamp levelling device inoperative (4.1.5 (a))

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

Items removed from driver's view prior to test ()

Nearside Front Service brake binding but not excessively (1.2.1 (f))

Nearside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Offside Front Outer Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Front Service brake binding but not excessively (1.2.1 (f))

Offside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Pass 24 Sep 2019 111,746 miles
Fail 24 Sep 2019 111,746 miles

Rear fog lamp not working (4.5.1 (a) (ii))

Pass 5 Dec 2018 100,356 miles
Pass 21 Oct 2017 92,696 miles
Pass 10 May 2016 78,926 miles

Centre Rear Seat belt flexible stalk deteriorated but not likely to lead to failure under load (5.2.4a)

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

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

Pass 13 May 2015 63,143 miles

Front tyres 3mm

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

Pass 7 May 2014 47,586 miles

Child seat fitted not allowing full inspection of adult belt

Under-trays fitted obscuring some underside components

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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M33 COT is a 2011 Mercedes-benz B-class in Brown with a 1,991cc diesel engine. This vehicle has been through 16 MOT tests with a personal pass rate of 75%.

Across all 2011 Mercedes-benz B-class models, the average MOT pass rate is 76.2% with a typical mileage of 56,113 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 M33 COT, 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 15 years old, this Mercedes-benz B-class is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of M33 COT?

You can check the full history of M33 COT by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was M33 COT registered?

M33 COT is a 2011 Mercedes-benz B-class, first registered on 18 June 2011.

Is M33 COT safe to buy?

The MOT history for M33 COT shows 16 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does M33 COT 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 M33 COT. 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.