Mercedes-Benz 420SL (R107): The Long-Serving Icon of Stuttgart

Few cars manage to stay fresh for nearly two decades, yet the Mercedes-Benz R107 did exactly that. It arrived in the early 1970s and refused to leave the stage until 1989, growing more handsome and more cherished with every passing year.

The 420SL sits proudly near the end of that remarkable run, blending the crisp lines of the original design with the smoothness and refinement of a mature V8. It is a car that seems to have been built for slow drives along a coast road with the roof folded away. What is it about this particular Mercedes that keeps enthusiasts coming back?

The Origins of a Long-Running Legend

The R107 replaced the beautiful but ageing Pagoda in 1971, and Mercedes clearly took its time getting the successor right. The engineers were tasked with building a roadster that could satisfy safety-conscious American buyers while retaining the elegance expected of an SL badge.

What emerged was a design so well judged that it stayed in production for 18 years. The 420SL joined the range in 1985 as part of a mid-life update that brought new engines and subtle refinements. It was aimed squarely at buyers who wanted effortless performance rather than raw aggression.

By the time the 420SL appeared, the R107 had already earned a devoted following. Adding a modern 4.2-litre V8 simply sharpened its appeal for those who valued relaxed, long-legged touring.

A Design That Aged Gracefully

The R107 has one of the most recognisable silhouettes of any post-war Mercedes. The long bonnet, the tidy tail and the removable hardtop with its distinctive ribbed surfaces all combine into a shape that looks confident from every angle.

Those ribbed light clusters were not merely decorative. They were designed to stay clean in poor weather, keeping the lamps visible even when the rest of the car was covered in road grime. It was a typically thoughtful piece of Mercedes engineering hidden inside a stylish detail.

Inside, the cabin was all about solid, honest luxury. Broad seats, clear instruments and materials that felt built to last gave the 420SL an air of quiet quality. There was nothing flashy about it, and that restraint is a big part of why the design still looks so appealing today.

Engineering Built for the Long Haul

Under the bonnet, the 420SL carried a 4.2-litre V8 producing around 218 brake horsepower. It was never a car built to shock, and instead delivered its power in a wonderfully smooth, unhurried manner.

Paired with an automatic gearbox, the V8 made the 420SL a supremely relaxing companion. Overtaking required nothing more than a gentle push of the throttle, and motorway cruising felt utterly effortless. This was grand touring in the truest sense.

The chassis matched the engine's character perfectly. The R107 was firm enough to feel planted yet supple enough to soak up long distances without fuss. It was engineered for durability too, which is why so many survive in excellent condition decades later.

A Star on Screen and Kerbside

The R107 became a fixture of 1980s culture, appearing in driveways and television dramas alike. It was the car of choice for successful professionals who wanted something stylish without shouting about it.

Perhaps its most famous screen role came in the television series Dallas, where it helped cement the SL's image as a symbol of confident, understated wealth. Seeing one glide through a sun-soaked setting became shorthand for a certain kind of glamorous lifestyle.

On British roads the 420SL carried a quieter prestige. It was the sort of car you might spot outside a country hotel or parked neatly on a gravel drive, always immaculate and always making a subtle statement about its owner's good taste.

Why the 420SL Endures

The R107 in general, and the 420SL in particular, endures because it was so thoroughly well made. These cars were engineered to cover enormous distances and to survive the passage of time, and many have done exactly that.

There is also the matter of value. For years the R107 was seen as merely an old Mercedes, which meant plenty were kept, serviced and cherished by careful owners. Today they are increasingly appreciated as genuine modern classics with real presence.

The 420SL offers a sweet spot in the range. It has the smoothness of a V8 combined with the maturity of the later cars, giving it a blend of comfort and character that is hard to resist.

The Colour That Suits It Best

Colour makes an enormous difference to how the R107 presents itself, and few shades flatter it quite like a deep metallic green. Pine Green Metallic in particular gives the car a refined, almost aristocratic air.

Against chrome trim and pale interior leather, that green creates a wonderfully classic look. It suits the long, elegant bodywork perfectly and feels entirely in keeping with the car's dignified personality.

It is this combination of shape, colour and heritage that makes the 420SL such a rewarding subject for automotive art. Every ribbed light cluster and gentle curve rewards a closer look.

Celebrate the Mercedes-Benz 420SL

If the long-running charm of the R107 speaks to you, our hand-illustrated artwork captures it beautifully. The Mercedes-Benz 420SL (R107) phone case features a 1989 convertible finished in gorgeous Pine Green Metallic, celebrating one of Stuttgart's most enduring roadsters. It is a British-designed tribute to a genuine modern classic, and it comes with free UK shipping. Explore it alongside the rest of our classic car collection and carry a piece of automotive history wherever you go.