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J121 BYR

2005 Mercedes-benz C

Silver Diesel 2148cc
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MOT Status

Valid
Expires6 Jan 2027
Tests20 (19 pass, 1 fail)
Pass rate95%

Mileage

94,775 mi
Last recorded94,775 miles
Recorded on18 Dec 2025
Typical for 2005 Mercedes-benz C83,800 mi

Above average mileage for this year

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

RegistrationJ121 BYR
MakeMercedes-benz
ModelC
Year2005
ColourSilver
Fuel typeDiesel
Engine2,148cc

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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

19 pass 1 fail
Pass 18 Dec 2025 94,775 miles

Offside Front Tyre worn close to legal limit/worn on edge wearing inner edge (5.2.3 (e))

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

Fail 17 Dec 2025 94,769 miles

Exhaust emissions exceed manufacturer's specified limit (8.2.2.2 (a))

Exhaust has a major leak of exhaust gases backbox (6.1.2 (a))

Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii))

Nearside Obligatory indirect vision device insecure wing mirror (3.3 (b) (ii))

Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii))

Offside Obligatory indirect vision device insecure wing mirror (3.3 (b) (ii))

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) DANGEROUS

Offside Front Tyre worn close to legal limit/worn on edge wearing inner edge (5.2.3 (e))

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

Pass 7 Jan 2025 80,843 miles
Pass 20 Feb 2024 62,176 miles
Pass 27 Mar 2023 59,307 miles
Pass 23 Mar 2022 56,748 miles
Pass 26 Mar 2021 54,284 miles
Pass 4 Feb 2020 52,605 miles
Pass 22 Feb 2019 51,631 miles
Pass 31 Mar 2018 48,765 miles

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Pass 3 Mar 2017 46,048 miles

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

Pass 25 Feb 2016 43,690 miles
Pass 26 Feb 2015 40,949 miles
Pass 28 Feb 2014 37,429 miles
Pass 1 Mar 2013 33,993 miles
Pass 1 Mar 2012 30,291 miles
Pass 1 Mar 2011 25,798 miles
Pass 12 Feb 2010 22,579 miles
Pass 25 Feb 2009 19,232 miles
Pass 18 Feb 2008 14,459 miles

How Reliable is the Mercedes-benz C?

Based on 8,031,355 MOT tests across 683,668 vehicles.

77.6%
Pass Rate
6,412
Miles/Year
32
Year Lifespan
683,668
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 240,078
Suspension arm has excessive play in a ball joint 76,831
Track rod end ball joint has excessive play 67,503
Brake pipe excessively corroded 66,298
coil spring broken 61,560
Full Mercedes-benz C reliability report

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J121 BYR is a 2005 Mercedes-benz C in Silver with a 2,148cc diesel engine. This vehicle has been through 20 MOT tests with a personal pass rate of 95%.

Across all 2005 Mercedes-benz C models, the average MOT pass rate is 73.3% with a typical mileage of 83,800 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Mercedes-benz C fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 240,078 recorded failures. If you're considering buying J121 BYR, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz C typically stays on UK roads for around 32 years. At 21 years old, this Mercedes-benz C is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of J121 BYR?

You can check the full history of J121 BYR by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was J121 BYR registered?

J121 BYR is a 2005 Mercedes-benz C, first registered on 2 March 2005.

Is J121 BYR safe to buy?

The MOT history for J121 BYR shows 20 tests with a 95% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does J121 BYR 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 J121 BYR. 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.