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RN51 MSN

2014 Mercedes-benz Cls

Black Diesel 2987cc
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MOT Status

Valid
Expires20 Jun 2027
Tests16 (10 pass, 6 fail)
Pass rate62.5%

Mileage

139,989 mi
Last recorded139,989 miles
Recorded on2 Jun 2026
Typical for 2014 Mercedes-benz Cls60,126 mi

Significantly above average — investigate

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

RegistrationRN51 MSN
MakeMercedes-benz
ModelCls
Year2014
ColourBlack
Fuel typeDiesel
Engine2,987cc

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

10 pass 6 fail
Pass 2 Jun 2026 139,989 miles

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Pass 19 Jun 2025 132,063 miles
Fail 11 Jun 2025 132,017 miles

Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))

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

Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))

Pass 21 Jun 2024 121,678 miles
Fail 8 Jun 2024 121,677 miles

Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))

Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Parking brake lever ratchet not holding correctly (1.1.6 (a))

Pass 4 Apr 2023 107,676 miles
Pass 31 Mar 2022 84,006 miles

Front Brake pipe corroded, covered in grease or other material X 2 both sides (1.1.11 (c))

Nearside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Front Suspension arm ball joint has slight play Front ball (5.3.4 (a) (i))

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

Fail 14 Mar 2022 82,492 miles

Brake pipe excessively corroded X 2 both sides **front to rear ** (1.1.11 (c))

Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))

Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))

Front Brake pipe corroded, covered in grease or other material X 2 both sides (1.1.11 (c))

Nearside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Front Suspension arm ball joint has slight play Front ball (5.3.4 (a) (i))

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

Pass 18 Mar 2021 59,941 miles
Fail 11 Mar 2021 59,752 miles

Front Fuel system component leaking (6.1.3 (b) (i))

Pass 11 Mar 2020 51,423 miles
Fail 10 Mar 2020 51,423 miles

Nearside Front Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

Nearside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

Offside Rear worn on inner and outer edges

Pass 12 Mar 2019 45,291 miles

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

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

full undertray fitted

Pass 13 Mar 2018 38,425 miles

Front Inner Brake pad(s) wearing thin both sides (3.5.1g)

Offside Front Front wheel bearing has slight play (2.5.A.3c)

Rear Brake pad(s) wearing thin both sides (3.5.1g)

undertray fitted

Fail 13 Mar 2018 38,425 miles

Nearside Front Tyre has ply or cords exposed 255/35/19 (4.1.D.1b)

Front Inner Brake pad(s) wearing thin both sides (3.5.1g)

Offside Front Front wheel bearing has slight play (2.5.A.3c)

Rear Brake pad(s) wearing thin both sides (3.5.1g)

undertray fitted

Pass 8 Feb 2017 29,368 miles

advise undertray fitted

How Reliable is the Mercedes-benz Cls?

Based on 421,126 MOT tests across 35,498 vehicles.

79.8%
Pass Rate
6,663
Miles/Year
21
Year Lifespan
35,498
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 8,450
Tyre has ply or cords exposed 6,682
Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 2,819
Suspension arm has excessive play in a ball joint 2,595
suspension has excessive play in a lower suspension ball joint 2,284
Full Mercedes-benz Cls reliability report

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RN51 MSN is a 2014 Mercedes-benz Cls in Black with a 2,987cc diesel engine. This vehicle has been through 16 MOT tests with a personal pass rate of 62.5%.

Across all 2014 Mercedes-benz Cls models, the average MOT pass rate is 82.1% with a typical mileage of 60,126 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 Cls fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 8,450 recorded failures. If you're considering buying RN51 MSN, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Cls typically stays on UK roads for around 21 years. At 12 years old, this Mercedes-benz Cls is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of RN51 MSN?

You can check the full history of RN51 MSN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was RN51 MSN registered?

RN51 MSN is a 2014 Mercedes-benz Cls, first registered on 6 March 2014.

Is RN51 MSN safe to buy?

The MOT history for RN51 MSN shows 16 tests with a 62.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does RN51 MSN 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 RN51 MSN. 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.