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UYR 400S

1977 MG B

Green Petrol 1798cc
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MOT Status

Valid
Expires22 Jul 2027
Tests12 (8 pass, 4 fail)
Pass rate66.7%

Mileage

10,391 mi
Last recorded10,391 miles
Recorded on11 Jul 2026
Typical for 1977 MG B40,549 mi

Below or average mileage for this year

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

RegistrationUYR 400S
MakeMG
ModelB
Year1977
ColourGreen
Fuel typePetrol
Engine1,798cc

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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

8 pass 4 fail
Pass 11 Jul 2026 10,391 miles
Pass 23 Jul 2025 9,009 miles
Pass 4 Jul 2018 8,308 miles

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

main beam tell-tale light not working ( pre. 1986

Fail 25 Jun 2018 8,308 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Front Registration plate insecure cracked (0.1 (a))

Front Windscreen washer not working (3.5 (a))

Horn not working (7.7 (a) (ii))

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

Service brake lagging in operation long pedal travel (1.2.1 (d))

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

main beam tell-tale light not working ( pre. 1986

Pass 12 Jul 2016 8,296 miles
Fail 12 Jul 2016 8,293 miles

Nearside Rear Rear position lamp(s) not working (1.1.A.3b)

Offside Rear Tyre tread depth below requirements of 1.6mm cracked & perished (4.1.E.1)

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

Pass 13 Jun 2014 7,801 miles
Fail 4 Jun 2014 7,799 miles

Brake hydraulic reservoir fluid level below minimum level (3.6.G.1b)

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Offside front brake binding (3.7.B.1)

Service brake: efficiency below requirements (3.7.B.7)

rear brake recording little or no effort (3.7.B.5a)

Fail 5 Jun 2013 7,196 miles

Nearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Nearside Stop lamp not working (1.2.1b)

Offside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Stop lamp not working (1.2.1b)

Pass 5 Jun 2013 7,196 miles

Nearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Pass 14 May 2008 6,925 miles

movement o/s/f n/s/f king pin

Pass 7 Apr 2007 6,537 miles

How Reliable is the MG B?

Based on 191,608 MOT tests across 19,443 vehicles.

78.1%
Pass Rate
381
Miles/Year
63
Year Lifespan
19,443
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 5,224
brake binding 4,089
Parking brake: efficiency below requirements 3,715
Stop lamp not working 3,343
Steering rack gaiter split 2,887
Full MG B reliability report

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UYR 400S is a 1977 MG B in Green with a 1,798cc petrol engine. This vehicle has been through 12 MOT tests with a personal pass rate of 66.7%.

Across all 1977 MG B models, the average MOT pass rate is 73.1% with a typical mileage of 40,549 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 MG B fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 5,224 recorded failures. If you're considering buying UYR 400S, it's worth having these areas checked by a mechanic before committing.

The MG B typically stays on UK roads for around 63 years. At 49 years old, this MG B is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of UYR 400S?

You can check the full history of UYR 400S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was UYR 400S registered?

UYR 400S is a 1977 MG B, first registered on 12 December 1977.

Is UYR 400S safe to buy?

The MOT history for UYR 400S shows 12 tests with a 66.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does UYR 400S 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 UYR 400S. 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.