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N121 BWN

2009 Mercedes Unknown

Silver Diesel 2148cc
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MOT Status

Valid
Expires29 Apr 2027
Tests9 (5 pass, 4 fail)
Pass rate55.6%

Mileage

420,304 mi
Last recorded420,304 miles
Recorded on30 Apr 2026
Typical for 2009 Mercedes Unknown133,304 mi

Significantly above average — investigate

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

RegistrationN121 BWN
MakeMercedes
ModelUnknown
Year2009
ColourSilver
Fuel typeDiesel
Engine2,148cc

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

5 pass 4 fail
Pass 30 Apr 2026 420,304 miles

fuel tank straps corroded

Fail 27 Apr 2026 420,260 miles

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

fuel tank straps corroded

Pass 7 Aug 2025 420,120 miles

Exhaust silencer slightly loose tail pipe corroded (8.1.1 (b) (i))

Fail 5 Aug 2025 420,120 miles

Nearside Front Upper Position lamp not working (4.2.1 (a) (ii))

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

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

Rear Body component likely to become detached storage floor corroded and holed (6.2.1 (a) (ii)) DANGEROUS

Exhaust silencer slightly loose tail pipe corroded (8.1.1 (b) (i))

Pass 12 Aug 2024 419,279 miles
Fail 9 Aug 2024 419,274 miles

Nearside Front Brake pipe excessively corroded (1.1.11 (c))

Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))

Offside Front Brake pipe excessively corroded (1.1.11 (c))

Offside Front Service brake excessively binding (1.2.1 (f))

Service brake efficiency below requirements (1.2.2 (a) (i))

Front Brakes imbalanced across an axle by more than 50% (1.2.1 (b) (ii)) DANGEROUS

Front Brakes imbalanced across an axle by more than 50% Axle 1 (1.2.1 (b) (ii)) DANGEROUS

Offside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

Offside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Pass 2 Aug 2023 417,727 miles

Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Fail 1 Aug 2023 417,727 miles

Nearside Front Tyre has a tear, caused by separation or partial failure of its structure 195/75R16C 107/105 (5.2.3 (d) (ii)) DANGEROUS

Nearside Rear Inner Tyre has a tear, caused by separation or partial failure of its structure 195/75R16 107/105 (5.2.3 (d) (ii)) DANGEROUS

Nearside Rear Outer Tyre has a tear, caused by separation or partial failure of its structure 195/75R16 107/105 (5.2.3 (d) (ii)) DANGEROUS

Offside Front Tyre has a tear, caused by separation or partial failure of its structure 195/75R16C 107/105 (5.2.3 (d) (ii)) DANGEROUS

Offside Rear Inner Tyre has a tear, caused by separation or partial failure of its structure 195/75R16 107/105 (5.2.3 (d) (ii)) DANGEROUS

Offside Rear Outer Tyre has a tear, caused by separation or partial failure of its structure 195/75R16 107/105 (5.2.3 (d) (ii)) DANGEROUS

Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Pass 3 Aug 2022 415,322 miles

Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

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

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

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

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

REAR OF VEHICLE HEAVILY UNDERSEALED

Rear Suspension component mounting repair covered in underseal (5.3.6 (a) (i))

How Reliable is the Mercedes Unknown?

Based on 11,881 MOT tests across 4,378 vehicles.

79.2%
Pass Rate
3,416
Miles/Year
39
Year Lifespan
4,378
On UK Roads
Full Mercedes Unknown reliability report

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N121 BWN is a 2009 Mercedes Unknown in Silver with a 2,148cc diesel engine. This vehicle has been through 9 MOT tests with a personal pass rate of 55.6%.

Across all 2009 Mercedes Unknown models, the average MOT pass rate is 77.5% with a typical mileage of 133,304 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The Mercedes Unknown typically stays on UK roads for around 39 years. At 17 years old, this Mercedes Unknown is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of N121 BWN?

You can check the full history of N121 BWN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was N121 BWN registered?

N121 BWN is a 2009 Mercedes Unknown, first registered on 7 May 2009.

Is N121 BWN safe to buy?

The MOT history for N121 BWN shows 9 tests with a 55.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does N121 BWN 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 N121 BWN. 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.