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KLB 9K

1973 Mercedes-benz 350

Green Petrol 4499cc
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MOT Status

Expired
Expires1 Jul 2026
Tests15 (7 pass, 8 fail)
Pass rate46.7%

Mileage

139,713 mi
Last recorded139,713 miles
Recorded on2 Jul 2025
Typical for 1973 Mercedes-benz 35093,474 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
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Vehicle Details

RegistrationKLB 9K
MakeMercedes-benz
Model350
Year1973
ColourGreen
Fuel typePetrol
Engine4,499cc

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

7 pass 8 fail
Pass 2 Jul 2025 139,713 miles

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

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

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Rear Oil leak, but not excessive diff oil (8.4.1 (a) (i))

Fail 25 Jun 2025 139,712 miles

Nearside Rear Vehicle structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i))

Offside Front Inner Track rod end ball joint has excessive play (2.1.3 (b) (i))

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

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

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Rear Oil leak, but not excessive diff oil (8.4.1 (a) (i))

Pass 12 Oct 2021 137,120 miles
Pass 18 Feb 2013 137,105 miles
Fail 18 Feb 2013 137,105 miles

Nearside Front Direction indicator flashing more than 120 times a minute (1.4.A.2g)

Nearside Rear Direction indicator not working (1.4.A.2c)

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

Front Sub-frame corroded but not seriously weakened (2.4.G.1)

Front coil spring corroded (2.4.C.1b)

Nearside rear tyre has cracks in side wall

Offside Rear wheel bearing has slight play (2.6.2)

Rear Sub-frame corroded but not seriously weakened (2.4.G.1)

Rear coil spring corroded (2.4.C.1b)

Steering system has slight free play detected at steering wheel (2.2.A.1a)

Fail 29 Dec 2011 137,085 miles

Nearside Stop lamp not working (1.2.1b)

Offside Front Wheel stud(s) missing (4.2.A.1e)

Pass 29 Dec 2011 137,085 miles
Pass 29 Dec 2009 136,986 miles
Fail 29 Dec 2009 136,986 miles

Horn not working (1.6.2a)

Nearside Rear Stop lamp not working (1.2.1b)

Offside Front Windscreen wiper does not clear the windscreen effectively (8.2.2)

Pass 5 Sep 2008 136,453 miles
Fail 19 Jul 2008 136,429 miles

Nearside Front Windscreen wiper does not clear the windscreen effectively (8.2.2)

Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Nearside front brake grabbing severely (3.7.A.2b)

Offside Front Wheel bolt(s) missing (4.2.A.1e)

Offside Outer Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside front brake grabbing severely (3.7.A.2b)

Rear Exhaust has a major leak of exhaust gases (7.1.2)

Fail 9 Jul 2007 135,959 miles

Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Nearside Rear Brake pipe excessively corroded (3.6.B.2c)

Offside Front Headlamp aim too high (1.8)

Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2)

Offside Inner Rear Seat belt anchorage prescribed area is excessively corroded (5.2.6)

Offside Inner Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside Outer Rear Seat belt anchorage prescribed area is excessively corroded (5.2.6)

Offside Rear Brake pipe excessively corroded (3.6.B.2c)

Offside Rear wheel bearing has excessive play (2.6.2)

Rear Exhaust has a major leak of exhaust gases (7.1.2)

Fuel pipe/s corroded

Nearside Inner Front Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)

Nearside Inner Front Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)

Nearside Outer Front Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)

Offside Front Seat belt damaged but not affecting the operation of the belt (5.2.2a)

Offside Inner Front Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)

Rear Exhaust has part of the system slightly deteriorated (7.1.1a)

Pass 16 Jan 2007 134,897 miles
Fail 10 Jan 2007 134,897 miles

Nearside Windscreen wiper blade deteriorated (8.2.2)

Fail 9 Nov 2006 13,489 miles

Centre Lower Vehicle structure has excessive corrosion which adversely affects braking or steering (6.1.A.1)

Nearside Front Lower Vehicle structure has excessive corrosion which adversely affects braking or steering (6.1.A.1)

Nearside Windscreen wiper blade deteriorated (8.2.2)

Offside Front Lower Vehicle structure has excessive corrosion which adversely affects braking or steering (6.1.A.1)

Position lamp switch faulty (1.1.A.1)

suspect rust under carpet, should be checked.

How Reliable is the Mercedes-benz 350?

Based on 11,867 MOT tests across 1,405 vehicles.

75.2%
Pass Rate
406
Miles/Year
55
Year Lifespan
1,405
On UK Roads

Top MOT Failure Points

Suspension component mounting prescribed area is excessively corroded 748
Windscreen washer provides insufficient washer liquid 543
brake binding 449
Headlamp aim too low 313
Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings 299
Full Mercedes-benz 350 reliability report

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KLB 9K is a 1973 Mercedes-benz 350 in Green with a 4,499cc petrol engine. This vehicle has been through 15 MOT tests with a personal pass rate of 46.7%.

Across all 1973 Mercedes-benz 350 models, the average MOT pass rate is 74.4% with a typical mileage of 93,474 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 350 fails its MOT is suspension component mounting prescribed area is excessively corroded, accounting for 748 recorded failures. If you're considering buying KLB 9K, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz 350 typically stays on UK roads for around 55 years. At 53 years old, this Mercedes-benz 350 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of KLB 9K?

You can check the full history of KLB 9K by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KLB 9K registered?

KLB 9K is a 1973 Mercedes-benz 350, first registered on 6 July 1973.

Is KLB 9K safe to buy?

The MOT history for KLB 9K shows 15 tests with a 46.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KLB 9K 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 KLB 9K. 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.