Record price for ’96 Mercedes-Benz SL500 after owner loses the key

12 April, 2017

Picture this: it’s 1996, you’ve just received your brand-new Mercedes-Benz SL500 and taken it for a brisk drive around a few blocks. 80-miles now adorns the odometer and you park it up to go about your business, returning to find the key has gone walkabouts. Would you then call it a day and never drive it again?

That’s exactly what the owner of this particular example did, and it recently sold for a record price 21 years later— £56,640 to be exact — by Coys at their Spring Classics auction at the Royal Horticultural Halls in London.  

Chris Routledge, CEO of Coys, said, “This is a fantastic price bearing in mind that a normal version of this car, with reasonable mileage, would probably be worth 20% of what this SL500 made today. An exciting sale and a new world record!”

The Mercedes-Benz SL500 R129 roadsters were produced from 1989 through 2002, featuring many innovative details for the time, such as electronically controlled damping and a hidden, automatically extending roll-over bar, electric windows and mirrors.

This is one of the more powerful and sought after M119 engined cars and also boasts a number of optional factory extras, including heated front seats, 6 CD multi-changer, upgraded radio and wood-leather steering wheel.

It’s far too nice to call a barn find … perhaps a time capsule, if you will? Either way, £56,640 is a staggering win for the owner.

Polishing to perfection

The secret to a show-stopping finish is colour sanding, no matter which paint system you use. Even a good painter, no matter how experienced or talented — like my mate Bruce Haye, CEO at Ace Panel and Paint in Whitianga — can’t shoot to a perfect mirror finish. To get that level of perfection, you need to colour sand.
It used to be called ‘rubbing out’ or ‘cutting’, and it was done with pastes that came in cans. They worked — sort of — but the compounds really just rounded off imperfections instead of eliminating them, and they removed a lot of paint in the process. But now your new finish can be made flawless, thanks to microfine sandpapers that come in 1000, 1500, 2000, and even 2500 grit ranges, and Farecla G3 polish — available from automotive paint suppliers.

NZ Classic Car magazine, March/April 2026 issue 404, on sale now

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