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marzo 12, 2018 - Mercedes-Benz

Solutions for safety and comfort: Important Mercedes-Benz innovations from the year 1958

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In every epoch the future of the car needs strong innovations for #safety and comfort. 60 years ago, for example, #MercedesBenz made headlines with a multitude of pioneering solutions in this field. They ranged from the seat belt as an optional extra through petrol direct injection in volume production to the power steering system and air conditioning system. The significant patent application for the wedge-pin door lock was made in 1958. This innovation initiative was the result of targeted R&D work at #MercedesBenz.

Stuttgart. The new products and features presented in 1958 in the passenger cars from #MercedesBenz once again underlined the brand’s innovative power: in the 300 SL Roadster (W 198) the company offered seat belts for the first time, launched a power steering system and air conditioning as optional extras in the 300 (W 189) model and in the 220 SE self-supporting chassis-body structure (W 128) it established petrol injection in volume production.

Also 60 years ago, on 2 July 1958, #MercedesBenz made the patent application for the wedge-pin door lock with two #safety catches under the number 1 089 664. The new design aimed to prevent the doors from breaking open or jamming in an accident. A year later it was used in series production in the “tail fin” saloons (W 111) with the revolutionary #safety body. Another important optional extra was available in the #MercedesBenz passenger cars as of June 1958: the childproof door lock.

Please buckle up!

The 1950s were shaped by mass motorisation in the western world. This led to road traffic becoming heavier and to increasing numbers of accidents. It was also against this background that the #MercedesBenz technicians and engineers intensified their work on solutions for vehicle #safety. In 1958, for instance, 18 years before seat belts became obligatory in the Federal Republic of Germany, the seat belt was offered as an optional extra for the first time in #MercedesBenz passenger cars.

The seat belt was premiered at #MercedesBenz in the 300 SL Roadster (W 198, 1957 to 1963). The restraint system was designed as a lap belt, similar to that in an aircraft. This corresponds to the description of the new optional extra, announced in 1957 as a “belt to buckle up, aeroplane design”. The system was introduced in 1958 with the name it still bears to this day, the seat belt.

The optional extra was priced at DM 110 per seat in the 300 SL Roadster at the time. By way of comparison, customers buying the elegant high-performance sports car back then had to pay DM 810 for a Becker Mexico model radio with an automatic aerial. In 1958 #MercedesBenz also made seat belts available for all passenger cars with individual front seats. In the #MercedesBenz 220 S (W 180), for instance, they were priced at DM 120, and in the 300 (W 189) model at DM 150 per seat.

The seat belt restraint system was continuously enhanced at #MercedesBenz. The waist/lap belts secured to the vehicle body initially became shoulder belts with two fastening points (from 1961 for all vehicles with belt fastening on the front seats) and then the three-point seat belt. It asserted itself at the end of the 1960s and became the automatic seat belt in combination with an inertia-reel function. This was launched in 1973 in all #MercedesBenz passenger cars as standard equipment on the front seats and in 1979 on the rear seats too.

Comfort and ensuring driver fitness

In May 1948 #MercedesBenz restarted its R&D work which had been interrupted by the Second World War. The focus was now on solutions for passive #safety. And solutions for ensuring driver fitness were also launched by the Stuttgart brand, as demonstrated in particular by the representational model 300 (internal designation 300 d, W 189) vehicles in 1958: the driver’s comfort was enhanced by the introduction of power steering and air conditioning systems. And this was also a contribution to relaxed, fatigue-free and therefore safe driving. The term “driver-fitness safety” was later coined for this.

The ZF-Saginaw power-steering gear system was initially offered in the #MercedesBenz 300 from March 1958 as an optional extra. The prerequisite for this was the version with automatic transmission. The representational vehicle known as the “Adenauer Mercedes” was thus the first #MercedesBenz car with a power steering system. This was followed In December of the same year by an air conditioning system as an optional extra, also for the 300 model. It was offered as a “cooling system” and at that time mainly targeted customers in countries with a tropical climate. This comfort feature was priced at an additional charge of DM 3500 back then – almost as much as a Volkswagen “Beetle” fresh from the factory.

Enhanced output and efficiency

A systematic culture of innovation at #MercedesBenz also resulted in new technologies quickly becoming available in volume production. The 85 kW (115 hp) #MercedesBenz 220 SE’s self-supporting chassis-body structure (W 128) with petrol injection was synonymous with this development. It was unveiled in September 1958. This technology for enhancing output and efficiency had already been established for some years by that time, and in this vehicle it now entered volume production at #MercedesBenz. The additional charge compared with the 220 S with a carburettor (W 180) was DM 1900.

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