2005 Mercedes SL55 AMG Kompressor R230

Highlights

• Three former registered keepers with extensive service history documentation
• Health checked by a Mercedes specialist who, we're told, described it as one of the best SL55 examples they had seen
• Significant recent mechanical work including supercharger pulley bearing, belt tensioner, crankshaft sensor, and more
• Recently machine-polished Obsidian Black paintwork presenting a deep gloss
• MOT valid to March 2027
• Electric heated and massage seats
• Keyless entry and glass roof
• Bose sound system

The Appeal

The R230-generation SL55 AMG occupies a hallowed place in the Mercedes-Benz pantheon. Its hand-built, supercharged 5.4-litre V8 produces a prodigious 493bhp and 516 lb-ft of torque, yet it is wrapped in the elegant, retractable-hardtop body of the SL — a car equally at home wafting along a coastal road as it is devouring a motorway. With Active Body Control suspension, immense braking hardware, and that distinctive AMG soundtrack, it remains one of the great modern grand tourers.

This Obsidian Black example, showing 64,000 miles, is presented in fine fettle. Having spent much of its life with an elderly couple who used it as a weekend cruiser before storing it to preserve its condition, the car has benefited from conscientious ownership throughout. It has been health-checked by a Mercedes specialist, who, we're told, described it as one of the best SL55s he had ever seen.
The current keeper - just the fourth - has continued that standard of care, commissioning a raft of preventative mechanical work. Supported by extensive paperwork and service records - including those available on the Mercedes-Benz online system — and with an MOT valid to March 2027, this SL55 AMG represents a compelling opportunity to acquire a well-documented, carefully maintained example of one of Stuttgart's finest modern machines.

History and Paperwork

• UK-registered right-hand drive, first registered in 2005
• Three former registered keepers; current (fourth) keeper since June 2025
• Previously owned by an elderly couple who used it as a weekend cruiser before placing it in storage
• Only ever run on premium unleaded fuel according to the vendor
• Extensive paperwork including service receipts, records, and documentation for all work carried out
• Service history also available on the Mercedes-Benz online system
• MOT valid to March 2027

The Condition

• Obsidian Black metallic paintwork, recently machine-polished to remove swirl marks and restore a deep gloss finish
• Odd stone chip and minor age-related marks as expected on a 20-year-old car, but no scrapes or scratches
• The vendor informs us that the underside presents very well, with no oil leaks, no signs of corrosion, and all under trays present
• Interior finished in leather with no marks, no excessive wear, and no tears according to the vendor
• Factory Alcantara-wrapped instrument cluster; all dials, buttons, and gauges reportedly function correctly
• Tyres replaced; rear tyres and front nearside have only covered a few hundred miles

The Mechanics

• 5,400cc supercharged V8 engine
• 5-speed automatic transmission
• Rocker cover gaskets, breather seals, secondary fuel pump, crankshaft sensor, supercharger pulley bearing, and belt tensioner all replaced during current ownership
• Brakes replaced on all four corners (discs and pads) just before current owner's purchase
• Engine bay recently dry ice-blasted, focusing on the supercharger and surge tanks
• Valve covers and breathers painted in high-temperature paint during gasket replacement
• Engine is factory standard and reportedly runs smoothly with no unwanted noises
• Electric heated and massage seats
• Keyless entry and glass roof
• Bose sound system

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