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M666 DAA

1999 Mercedes Unknown

Grey Diesel 4250cc
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MOT Status

Valid
Expires12 Nov 2026
Tests7 (5 pass, 2 fail)
Pass rate71.4%

Mileage

477,362 mi
Last recorded477,362 miles
Recorded on13 Nov 2025
Typical for 1999 Mercedes Unknown198,575 mi

Significantly above average — investigate

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

RegistrationM666 DAA
MakeMercedes
ModelUnknown
Year1999
ColourGrey
Fuel typeDiesel
Engine4,250cc

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 2 fail
Pass 13 Nov 2025 477,362 miles
Fail 4 Nov 2025 477,311 miles

Brake performance unable to be tested (1.2.1 (g))

Front Registration plate does not conform to the specified requirements (0.1 (d))

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

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

Rear Registration plate does not conform to the specified requirements (0.1 (d))

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

Pass 6 Aug 2024 474,259 miles

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

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

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

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

Slight play in both front king pins.

Fail 6 Aug 2024 474,259 miles

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

Nearside Rear Position lamp not working (4.2.1 (a) (ii))

Offside Front Position lamp not working (4.2.1 (a) (ii))

Offside Rear Position lamp not working (4.2.1 (a) (ii))

Registration plate lamp inoperative in the case of a single lamp or all lamps x 2 (4.7.1 (b) (ii))

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

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

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

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

Slight play in both front king pins.

Pass 31 Jul 2023 469,406 miles

Nearside Front King pin has slight play

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Front king pin has slight plight

Pass 25 Aug 2022 466,346 miles

Slight play in both front kingpins

Pass 25 Aug 2021 462,590 miles

Nearside Front Stub axle has slight vertical movement between stub axle and axle beam (5.1.2 (c) (i))

Offside Front Stub axle has slight vertical movement between stub axle and axle beam (5.1.2 (c) (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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M666 DAA is a 1999 Mercedes Unknown in Grey with a 4,250cc diesel engine. This vehicle has been through 7 MOT tests with a personal pass rate of 71.4%.

Across all 1999 Mercedes Unknown models, the average MOT pass rate is 66.3% with a typical mileage of 198,575 miles. This particular vehicle has performed better than the average for its year.

The Mercedes Unknown typically stays on UK roads for around 39 years. At 27 years old, this Mercedes Unknown is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of M666 DAA?

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

What year was M666 DAA registered?

M666 DAA is a 1999 Mercedes Unknown, first registered on 7 September 1999.

Is M666 DAA safe to buy?

The MOT history for M666 DAA shows 7 tests with a 71.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does M666 DAA 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 DAA. 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.