2005 Mercedes-Benz SL55 AMG

First registered on the 27th May 2005, this is a UK specified and supplied SL55 AMG. It seems to have spent its first five years and 40,000 miles or so in the southwest judging by the earlier stamps in the service book. Current long-term owner, Georgina, acquired the SL55 AMG in 2011 to become just its fourth registered keeper. At that point the SL had covered a shade under 50,000 miles. Today the electronic odometer reads 89,460 miles equating to an annual average mileage of well under 3,000 miles during Georgina’s tenure.

Another distinguishing feature of Georgina’s ownership is the diligent maintenance regime the SL has enjoyed. To accompany the five service stamps attained between 2005 and 2011, a further eight have been accrued during the current ownership. The most recent service was performed at the beginning of September 2025 by AMG specialists Merc-Care of London, Georgina’s service provider of choice since her acquisition. Merc-Care also fitted a refurbished gearbox and torque converter in mid-September to ensure that the SL55 AMG is offered in a prime mechanical condition for its next owner.

Apart from its new, overtly sporting dynamic the R230 was notable in another key way. It was the first of the SLs to receive a folding hard top – the so called Vario roof. The proof of concept had been debuted on the SLK of 1995, but the SL’s lid was significantly improved. It could now be deployed in 16 seconds, nine seconds faster than the SLK, and was claimed to be the fastest operating system of its kind in 2001. This example’s roof includes the optional panoramic, deeply tinted glass panel – a desirable optional extra that would have pushed this car’s original list price close to the £100,000 mark.

Be it in roof up or roof down configuration, this SL55 AMG looks the part in its Brilliant Silver Metallic livery (744U). It is surely the hue of choice for this particular Silver Arrow and suits the much curvier persona of the R230 particularly well. The key features of the design all seem to help emphasise the sporting, no doubt to emphatically differentiate the new autobahn annihilator from the boulevard cruisers of the past. These include the faired-in twin headlights, mesh covered and straked wing vents and prominent sill, chin and rump adornments. Those brutalist, quad oval chromed tail pipes round off the visual credentials of the car, successfully hinting at the almost 200mph potential that comes as standard.

This SL55 AMG sits on an original set of 18-inch, “Turbine” alloy wheels finished in bright silver and complete with AMG embossed casting marks. The condition of these is impressive indeed with a recent refurbishment reported. A mixed set of quality tyres (Goodyears up front and Pirellis at the rear) are fitted and the spoke work of the wheels affords sight of the big AMG emblazoned callipers. The overall condition of both bodywork and paintwork look impressive indeed for a high-performance car which is now 20 years old.

Despite the R230’s sportier nature, this was no stripped back road racer when it came to interior appointments. The R230 cleverly retained the comfort, equipment levels and special occasion ambiance of its predecessor. 

In our example that translates into perforated, stitched Anthracite leather (281A) for the sports seats, accompanied by high quality alloy inserts and fittings as well as a heady brew of cutting edge, 2005 technology. Those seats are, of course, multistage heated, electrically operated and offer an invigorating massage function. There is even a multi-setting memory function for both seats. Behind the seats are useful lidded storage lockers for all your peripatetic paraphernalia.

Other facets of this ultra generous AMG specification include the new widescreen Command DVD based navigation system which arrived in the 2005 model year, a Bose high output audio system, button gearshift selectors on the steering wheel and an Alcantara finished instrument binnacle housing an AMG branded 200mph speedometer. The condition in here appears faultlessly original and desirably pristine. Even the gear lever mounted start / stop function works perfectly.

Reinforcing the SL55 AMG’s continent crossing GT car credentials is a well-shaped boot approaching 300 litres in capacity. Remarkably, only around thirty litres of this are lost to the origami-esque hard top when it stows itself neatly atop the luggage compartment. This also provides a home to the space saver spare wheel, tools and original Mercedes-Benz tyre compressor.

In spite of all its other highly desirable facets, it was the mechanicals of the SL55 where AMG’s oeuvre was most significantly wrought. The 5.4L M113K V8 unit was comprehensively made over with a single AMG technician undertaking all the work on an individual engine. AMG added a Japanese-made IHI supercharger into the V-valley running it at a maximum boost pressure of 0.8 bar. This configuration was good for close to 500bhp, but it was the torque curve that really set the SL55 apart. At just 1500rpm, it pumps out the same torque (369 lb ft) as a BMW M5 of the period does at its peak. At 2000rpm, it overtakes McLaren F1 at its best (479 lb ft). From 2650rpm continuously to 4500rpm, it generates the maximum 516 lb ft, more than any supercars ever achieved at the time. Only Bentley’s 6.75-litre V8 turbo of the day could better it.

All this grunt necessitated other AMG tweaks, of course. These included a steel (as opposed to aluminium), strengthened rear subframe and an impressively enhanced braking set up. This consists of 360mm-diameter disc with 8-piston callipers up front and four-pot items at the rear. The Active Body Control dynamic suspension set up can sense a driver’s sporting intentions by steering inputs and slip angles, activating sport mode automatically. Unrestricted examples tested at launch were routinely exceeding 200mph and 0-60mph times were elapsing in around 4.7 seconds. Highly competitive today, let alone in 2005.

The under bonnet presentation of this example looks to be excellent. Clearly some love and attention has been expended under here. The now familiar AMG logos are milled into the impressive engine hardware. The obligatory AMG builder’s plate is also evident. Even the under bonnet insulation looks to be pristine. There is some oxidation noted to the alloys in places and the three pointed star on the prow of the engine has suffered some damage. Otherwise, all appears well here. The underside of the SL is almost entirely shrouded in plastic covers but what can be seen under here looks commensurate with the car’s age and mileage. It is noted that new front shock absorbers have recently been fitted.

This fine SL55 AMG is accompanied by a nice depth of accompanying paperwork. The current V5 registration document in the name of the owner is present. The SL55 has just acquired an advisory MoT which is valid until November 2026. A good number of earlier MoTs in hard copy are also present.

The Mercedes comes with its original book pack complete with the original service booklet. This and accompanying paperwork documents 13 services at the hands of both main dealers and independent specialists. The most recent service was undertaken at the start of September 2025 and was followed by the fitment of a refurbished gearbox and torque converter a week or so later. The remainder of the archive consists of numerous invoices providing the detail and costs behind these service stamps. Two original keys are also present.

Following in the wake of the 1950’s 300SL “Gullwing,” the SL lineage had morphed into a succession of civilised cruisers rather than rip snorting performance models. That all changed with the arrival of the SL55 AMG. The civilised cruising was still in its repertoire, of course, but now so was tyre shredding tomfoolery amidst clouds of pungent smelling smoke…..should the owner see fit. The performance SL was back. And how! 

This is a cracking example of the breed. It is a low owner, sensible mileage example and a true totem of all that was so awe inspiring about this V8 supercharged leviathan. Clearly this is an example that has been cherished and maintained to a fault. If you like your GT cars 200mph capable with a soundtrack akin to a roadgoing Supermarine Spitfire, then look no further. It’s a heady combination at a surprisingly attainable guide price.

We are happy to offer this car for auction with an estimate in the range of £10,000 - £15,000.

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