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CNP 454S

1977 MG B

Black Petrol 3500cc
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MOT Status

Valid
Expires12 May 2027
Tests6 (5 pass, 1 fail)
Pass rate83.3%

Mileage

74,987 mi
Last recorded74,987 miles
Recorded on13 May 2026
Typical for 1977 MG B40,549 mi

Significantly above average — investigate

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

RegistrationCNP 454S
MakeMG
ModelB
Year1977
ColourBlack
Fuel typePetrol
Engine3,500cc

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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

5 pass 1 fail
Pass 13 May 2026 74,987 miles
Pass 23 Jun 2025 74,693 miles
Pass 31 May 2024 74,170 miles
Pass 17 Sep 2020 73,992 miles

Engine capacity change should be notified so V5C can be amended and vehicle records corrected.

Fail 17 Sep 2020 73,992 miles

Engine capacity change should be notified so V5C can be amended and vehicle records corrected.

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

Windscreen washer provides insufficient washer liquid (3.5 (a))

Pass 14 Jul 2006 86,898 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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CNP 454S is a 1977 MG B in Black with a 3,500cc petrol engine. This vehicle has been through 6 MOT tests with a personal pass rate of 83.3%.

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 performed better than the average for its year.

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 CNP 454S, 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 CNP 454S?

You can check the full history of CNP 454S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was CNP 454S registered?

CNP 454S is a 1977 MG B, first registered on 1 September 1977.

Is CNP 454S safe to buy?

The MOT history for CNP 454S shows 6 tests with a 83.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does CNP 454S 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 CNP 454S. 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.