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G3 RTL

1999 Mercedes-benz Sl

Blue Petrol 3199cc
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MOT Status

Expired
Expires22 Aug 2026
Tests24 (16 pass, 8 fail)
Pass rate66.7%

Mileage

95,678 mi
Last recorded95,678 miles
Recorded on23 Aug 2025
Typical for 1999 Mercedes-benz Sl67,886 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
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Vehicle Details

RegistrationG3 RTL
MakeMercedes-benz
ModelSl
Year1999
ColourBlue
Fuel typePetrol
Engine3,199cc

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

16 pass 8 fail
Pass 23 Aug 2025 95,678 miles
Pass 27 Sep 2023 95,669 miles
Pass 15 Jul 2022 95,622 miles
Pass 19 Jul 2021 95,442 miles
Pass 3 Jul 2020 95,205 miles
Fail 1 Jul 2020 95,203 miles

Offside Front Shock absorbers has a serious fluid leak (5.3.2 (b))

Offside Rear Brake hose excessively deteriorated (1.1.12 (b) (ii))

Nearside Front Inner Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

Pass 11 Jul 2019 94,771 miles
Fail 11 Jul 2019 94,770 miles

Nearside Front Direction indicator incorrect colour (4.4.3 (a))

Offside Front Windscreen wiper not working (3.4 (a))

Pass 11 Jul 2018 93,854 miles

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

Pass 7 Dec 2017 93,610 miles

Front Exhaust has a minor leak of exhaust gases (7.1.2)

Fail 7 Dec 2017 93,610 miles

Driver's seat fore and aft adjustment mechanism not functioning as intended. (6.2.A.3)

Front Exhaust has a minor leak of exhaust gases (7.1.2)

Pass 23 Aug 2016 93,338 miles

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

Nearside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

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

Offside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Fail 15 Aug 2016 93,337 miles

Battery insecure (1.9.1)

Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)

Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)

Front Brakes imbalanced across an axle (3.7.B.5b)

Nearside Front Outer Anti-roll bar rubber mounting deteriorated resulting in excessive movement (2.4.G.2)

Offside Front Bonnet retaining device ineffective (8.4.2)

Offside Front Outer Anti-roll bar rubber mounting deteriorated resulting in excessive movement (2.4.G.2)

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

Nearside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

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

Offside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

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

Fail 12 Jun 2013 86,600 miles

Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)

Front Headlamp aim too low (1.8)

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

Offside Rear Registration plate lamp not working (1.1.C.1d)

Rear Brake hose has slight corrosion to ferrules (3.6.B.4e)

coil spring corroded (2.4.C.1b)

Pass 12 Jun 2013 86,600 miles

Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)

Rear Brake hose has slight corrosion to ferrules (3.6.B.4e)

coil spring corroded (2.4.C.1b)

Pass 13 Sep 2011 78,130 miles
Pass 26 Jul 2010 67,043 miles
Pass 9 Apr 2009 62,359 miles

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

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

Fail 2 Apr 2009 62,359 miles

Offside Front Tyre has ply or cords exposed (4.1.D.1b) DANGEROUS

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

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

n/s/f tyre wearing on inside edge

Pass 23 Oct 2007 59,680 miles

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

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

Fail 23 Oct 2007 59,680 miles

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

Nearside Headlamp not working on main beam (1.7.5a)

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

Pass 28 Sep 2006 53,336 miles
Pass 5 Oct 2005 48,355 miles
Fail 4 Oct 2005 48,315 miles

Nearside Headlamp not working on main beam (1.7.5a)

How Reliable is the Mercedes-benz Sl?

Based on 528,820 MOT tests across 35,553 vehicles.

83.4%
Pass Rate
2,023
Miles/Year
43
Year Lifespan
35,553
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 8,801
Tyre has ply or cords exposed 3,812
Brake pipe excessively corroded 3,463
Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 3,077
Windscreen wiper does not clear the windscreen effectively 2,767
Full Mercedes-benz Sl reliability report

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G3 RTL is a 1999 Mercedes-benz Sl in Blue with a 3,199cc petrol engine. This vehicle has been through 24 MOT tests with a personal pass rate of 66.7%.

Across all 1999 Mercedes-benz Sl models, the average MOT pass rate is 83.3% with a typical mileage of 67,886 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 Sl fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 8,801 recorded failures. If you're considering buying G3 RTL, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Sl typically stays on UK roads for around 43 years. At 27 years old, this Mercedes-benz Sl is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of G3 RTL?

You can check the full history of G3 RTL by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was G3 RTL registered?

G3 RTL is a 1999 Mercedes-benz Sl, first registered on 31 December 1999.

Is G3 RTL safe to buy?

The MOT history for G3 RTL shows 24 tests with a 66.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does G3 RTL 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 G3 RTL. 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.