Highlights

Flagship V12-powered R230 SL, combining discreet styling with formidable twin-turbocharged performance
5.5-litre twin-turbocharged V12 producing approximately 493bhp and 800Nm of torque
Substantial recent maintenance history from Mercedes-Benz specialist Star Tech
ABC control unit replaced and system fluid renewed in February 2024
Most recently serviced in June 2026, with both front upper ball joints replaced later that month
Private registration 'V12 MRX' included in the sale
MOT valid until October 2026, ULEZ-compliant

The Appeal

The R230-generation Mercedes-Benz SL arrived at the beginning of the new millennium with considerably more technology than its predecessor, most notably a folding metal Vario roof that allowed it to transform from enclosed coupé to open roadster at the touch of a button. Beneath that modernised package remained the familiar SL formula of two-seat luxury, effortless performance and long-distance comfort.

Few versions embodied the performance side of that character more convincingly than the SL 600. Its 5.5-litre twin-turbocharged V12 produces an impressive 493bhp and 800Nm of torque, delivered through a five-speed automatic transmission. Unlike the more overtly sporting AMG variants, the SL 600 disguises its pace beneath comparatively restrained styling, making its performance all the more unexpected.

This example has covered approximately 70,000 miles and is accompanied by the private registration 'V12 MRX', an especially fitting addition given what sits beneath the bonnet. A substantial collection of recent invoices from Mercedes-Benz specialist Star Tech documents regular servicing and significant maintenance, including replacement of the ABC control unit and a complete fluid change in 2024. The seller describes the interior as presenting well for its age and reports that everything operates as it should, including the electrically folding roof.

With twelve-cylinder power, a discreet appearance and supercar-rivalling pace, the SL 600 occupies a particularly interesting place within the R230 range. It is a car that delivers its performance with remarkable ease, making it one of the more intriguing modern-classic SL variants.

Key Information

Mileage: 70,000 miles (warranted through MOT history)
Country of registration: United Kingdom
Technical inspection status: MOT valid until 30 October 2026, pass with advisory for play in the offside front steering rack inner joint
Technical specs: 5.5-litre twin-turbocharged V12, five-speed automatic transmission
Paperwork: Owner's book pack, various invoices, first aid kit, tools, spare wheel and tyre inflator

The Detail

Finished in black over a grey leather-trimmed cabin featuring burr walnut inlays
18-inch five-spoke AMG alloy wheels
Specification includes front and rear parking assistance, wind deflector, dual-zone climate control, cruise control, heated and electrically adjustable seats with memory and 'pulse' functions, satellite navigation, and a CD changer
Minor white scuff visible on the passenger side of the front bumper
Mild creasing and cracking on the driver's seat bolster
Accompanied by a substantial collection of maintenance invoices from Mercedes-Benz specialist Star Tech
B Service carried out in November 2022 at 60,238 miles, alongside replacement spark plugs, air filter, windscreen wipers, both rear suspension level sensors, rear brake hoses, lower radiator hose and water pump
SBC brake fluid also renewed in November 2022, with attention to a seized driver's-side rear calliper bleed nipple
Intermittent ABC suspension warning investigated in February 2024 at 64,465 miles, resulting in replacement of the ABC control unit, a complete fluid flush and a new ABC filter
A Service carried out in May 2024 at 65,203 miles, including replacement engine oil and oil filter
B Service carried out in June 2025 at 67,058 miles, alongside replacement of both front tyres, both batteries, the electronic gear selector, alarm horn, driver's-side front inner track rod end and various undertrays and liners
Further work in June 2025 included replacement of the driver's-side headlamp washer jet and fuel cap, renewal of the hydraulic roof oil, an air-conditioning recharge and wheel alignment
Most recently serviced in June 2026 at 70,306 miles, including replacement engine oil and oil filter
A follow-up visit later that month at 70,331 miles saw both front upper ball joints replaced, along with the nearside front headlamp washer jet and a corroded bumper retaining bracket
The air-conditioning system was also leak- and vacuum-tested during the June 2026 follow-up, with no leak detected before the system was recharged
Private registration 'V12 MRX' included in the sale

BEFORE YOU BUY

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