- Eight-cylinder engines in the creation SL for the to start with time
- Throughout the 18 years of its output, additional than 237,000 Roadsters of this product collection had been constructed
- The open up SL was the basis of the SLC luxurious class coupés in product series C 107
- Continuous growth of the design assortment with 6- and 8-cylinder engines
Stuttgart. Fifty several years back, in April 1971, Mercedes-Benz initiated a new chapter in the intriguing record of the SL sporting activities automobile: the 350 SL was the brand’s to start with SL with a V8 engine and the to start with model in the R 107 product collection to bear the “R” abbreviation for “roadster” for the very first time. The fully new improvement, as an open two-seater with a completely retractable fabric prime and detachable hardtop, was a self-confident, sporty but lavish motor vehicle and put together equally efficiency and ride comfort completely. In the similar yr, Mercedes-Benz derived the four-seater luxury course coupés of the C 107 model sequence from the R 107 model sequence.
The R 107 is a deserving addition to the ranks of the SL family alongside the 300 SL racing sports car (W 194) from 1952, the 300 SL regular-manufacturing sporting activities cars and trucks (W 198, as a coupé from 1954 to 1957 and as a roadster from 1957 to 1963), the 190 SL (W 121, 1955 to 1963) and the “Pagoda” SL of the W 113 model sequence (1963 to 1971). In 2021, the brand name with the star is continuing its tradition of SL sports vehicles by launching the Mercedes-AMG SL in model series R 232.
A product for achievements with 18 years of collection manufacturing
The R 107 was developed from 1971 to 1989, in the course of which time it was saved up to day with standard facelifts and new engines. With the exception of the G-Course, no other Mercedes-Benz has been created for lengthier. Technically speaking, the Mercedes-Benz 350 SL launched 50 years in the past had small to do with its immediate predecessor, the W 113 “Pagoda” SL. In its place, the designers forged a lot closer back links to the brand’s current passenger car or truck variety of the time: the entrance and rear suspension systems, for example, were being primarily based on the “Stroke/8” models of the higher medium-measurement group. The 147 kW (200 hp) V8 engine with a displacement of 3,499 cc was a have-around from the premium-course Mercedes-Benz 280 SE 3.5 of the W 111 product collection (coupé and cabriolet) and the W 108/109 model series (saloon).
The technological improvements located in the open sporting activities car integrated the improved security entire body improvement with an independent body-flooring unit created of sheets of various thicknesses to offer defined crumple conduct, the gasoline tank set up over the rear axle to protect it in the event of a collision, high-energy steels in the A-pillars and windscreen body with its glued-in glass, as nicely as the inside with a new 4-spoke protection steering wheel, padded surfaces and deformable components as a contribution to passive safety. From March 1980, this SL was equipped with the Abdominal muscles anti-lock brake process and, from January 1982, with a driver’s airbag and belt tensioners as a supplementary restraint system – these products had been accessible as optional extras.
Vast wide range of engine alternatives
Subsequent the debut of the 350 SL, Mercedes-Benz continued to develop the selection of this product sequence. In 1973, the 165 kW (225 hp) 450 SL, also with an eight-cylinder engine, that experienced in the beginning been reserved for export to North The united states from autumn 1971, appeared on the European marketplaces. In 1974, the six-cylinder 280 SL (136 kW/185 hp) model adopted. For the first time in the record of the SL, this meant that a design collection was now readily available with a alternative of a few diverse engines.
As a result of the 1980 facelift, the 380 SL (160 kW/218 hp) replaced the 350 SL, and the 500 SL (177 kW/240 hp) took about the place as the leading product in area of the 450 SL. As aspect of the in depth overhaul, the inside of the sports activities automobiles, among other factors, was adapted to match the S-Course Saloons of the 126 model collection. In addition, the engineers upgraded quite a few technical objects, this kind of as the transmission. Externally, the facelift was restricted to a several discreet advancements, amid other things involving new bonnets manufactured of light alloy and a front spoiler. The 500 SL was also equipped with the light-weight-alloy boot lid with a black plastic rear spoiler from the SLC Coupé with the 5-litre V8 engine.
In 1985, Mercedes-Benz once once more presented a completely revised design selection for the R 107 model series. Aside from slight variations to the exterior with 15-inch wheels and a uniform entrance spoiler for all the types as properly as improved front suspension with zero scrub radius, the major target was on an current alternative of engines. A highlight for all the enthusiasts of the sporting activities vehicles with the star was the 300 SL with a 3-litre 6-cylinder engine – simply because this 138 kW (188 hp) athletics automobile revived the design designation with which the SL story experienced begun in March 1952. The 420 SL (160 kW/218 hp) was a absolutely new addition, even though the 500 SL (180 kW/245 hp) was given a redesigned engine with an electronic ignition process and the Bosch KE-Jetronic electronically managed mechanical gas injection procedure. The best design of the R 107 series was the 560 SL with a spectacular 5.6-litre V8 engine, which, even so, was reserved for export to North America, Japan and Australia. All the products had been now presented with a closed-loop a few-way catalytic converter.
Creation of design series R 107 finished in August 1989, right after more than 18 years. Over that period of time, the Sindelfingen plant had made a whole of 237,287 cars. These days, these open two-seaters are sought-after classics: the blend of luxury and sportiness however fascinates fanatics to this working day.