Image credits: © Mercedes-Benz.

1937 Mercedes-Benz 540K

Vehicle Profiles

Special Roadster
Coachwork: Sindelfingen

The parent company of Mercedes-Benz, Daimler-Benz, was Germany's leading producer of luxury cars and heavy trucks prior to World War II. They enjoyed much success in Grand Prix and sports car competition thanks, in part, to Mercede's advanced technol....[continue reading]

Special Roadster
Coachwork: Sindelfingen

On May 4, 1945, The US Army, C Company, 326th Engineers, 101st Airborne Division 'Screaming Eagles' liberated and took possession of this armored 1937 Mercedes Benz 540 K Spezial Roadster at Berchtesgaden in the Bavarian alps. The car had been custo....[continue reading]

Cabriolet A
Coachwork: Sindelfingen

Chassis Num: 232198
Engine Num: 154081

This Mercedes-Benz 540K Cabriolet A has coachwork by Sindelfingen. It is one of only 83 Cabriolet A's built and it has won numerous National Awards.....[continue reading]

Roadster Mayfair
Coachwork: Mayfair Carriage Company Ltd.

Chassis Num: 154080

This 1937 Mercedes-Benz 540K Special Roadster has chassis number 154080 and is bodied by the Mayfair Carriage Company. From 1936 through 1940 a total of 419 540K chassis were built A total of eleven standard body styles were created by the factory ....[continue reading]

Cabriolet A
Coachwork: Sindelfingen

This body style first appeared in 1933 and was first introduced at the 1934 Berlin Motor Show as the Mercedes-Benz 500K. The 540K was introduced in 1936 and built on the 500K with a larger more powerful engine. The 5.4-liter, straight eight-cylinder ....[continue reading]

Special Roadster
Coachwork: Sindelfingen

Chassis Num: 154140

This 540 K Special Roadster is one of three bodied with a covered spare tire, which allowed the rear aspect to be rounded and the most attractive of the Special Roadster configurations of the 1936-1938 period.....[continue reading]

Special Roadster
Coachwork: Sindelfingen

The early thirties saw Daimler-Benz begin to design high-speed touring cars, culminating in 1936 with the construction of the 540K. The eight-cylinder, 5.4-liter, big-bore engine was supercharged - and engaging; it rewarded drivers with a distinctive....[continue reading]

Cabriolet C

Chassis Num: 154062
Engine Num: 154062

With six feet of hood separating the driver from the front of the Mercedes 540K, there had to be something important under all that elegantly styled sheet metal. In this case, it was a legend - and an enormous engine. The early thirties saw Daimler-B....[continue reading]

Sport Cabriolet

Factory records indicate that some 419 examples of the 540K were produced between 1936 and 1939. Only 32 of this particular Sports Cabriolet A version were produced, and only 12 are known to survive. This example's bodywork left the Sindelfingen fact....[continue reading]

Special Roadster
Coachwork: Sindelfingen

Of the twenty-six 540K Special Roadsters built, just six had the long tail with fully enclosed spare tire recessed into the rear deck. Specially prepared by Mercedes-Benz, this car was the center-piece of the factory's display at the 1937 Berlin Moto....[continue reading]

Cabriolet B

This is one of the very desirable Cabriolet B versions of the supercharged Mercedes 5.3-liter 540K, and this impressive matching-numbers example retains all of its original major components: chassis, engine and bodywork. Its bodywork was finished at ....[continue reading]

Cabriolet A
Coachwork: Sindelfingen

Chassis Num: 154146
Engine Num: 154146

This 540K Sport Cabriolet A was ordered by Martha Jordans and was delivered to her home in Monchengladbach, Germany. Documentation suggests that Miss Jordans placed the order for this car in Paris, although the car was actually delivered on February ....[continue reading]

Cabriolet A
Coachwork: Sindelfingen

Chassis Num: 154083
Engine Num: 154083

Mercedes-Benz produced 97 examples of the 540K in 136, 145 in 1937, 95 in 1938 and 69 in 1939 before the war ended series production (though three more were built up to July 1942). When number, numerous examples to delivered to the United Kingdom, in....[continue reading]

Special Roadster
Coachwork: Sindelfingen

Chassis Num: 130894
Engine Num: 130894

Mercedes-Benz began producing a line of large and fast grand touring cars beginning in 1932. The 540K model was offered from 1936 to 1938 and was the design work of Hermann Ahrens and built to order by Karrosserie Sindelfingen (a Mercedes-Benz in-hou....[continue reading]

Special Roadster by Sindelfingen
Special Roadster by Sindelfingen
Cabriolet A by Sindelfingen
Chassis #: 232198 
Roadster Mayfair by Mayfair Carriage Company Ltd.
Chassis #: 154080 
Cabriolet A by Sindelfingen
Special Roadster by Sindelfingen
Chassis #: 154140 
Special Roadster by Sindelfingen
Cabriolet C
Chassis #: 154062 
Sport Cabriolet
Special Roadster by Sindelfingen
Cabriolet B
Cabriolet A by Sindelfingen
Chassis #: 154146 
Cabriolet A by Sindelfingen
Chassis #: 154083 
Special Roadster by Sindelfingen
Chassis #: 130894 


The Mercedes-Benz 500K was introduced in 1934 with the 'K' representing a Kompressor which is German for supercharger. In non-aspirated form, the engine produced 100 horsepower. With the adoption of the Kompressor the horsepower jumped to an impressive 160 making them one of the fastest grand touring cars of their time. The vehicles rode on a 116 inch wheelbase.

In 1936 the 540K was introduced which increased power even further. The base version produced 115 horsepower while the supercharged increased horsepower to 180. The engine bay was lengthened and the wheelbase was extended by twelve inches which allowed for more stately and elegant vehicles. Chrome accents were used throughout added to the visual appeal. The vehicles were elegant, powerful, and produced in limited numbers. Production continued until 1940 with only 419 examples being produced.

The Mercedes-Benz were among the most desirable and elegant vehicles of their day. They were constructed of the finest materials available. The craftsmanship is legendary and undeniable excellent. Most of the chassis received coachwork by the Mercedes-Benz in-house coachworks facility named the Sindelfingen Body Works. The others were sent to coachbuilders such as Erdmann & Rossi.

When completed, the vehicles carried a price tag that only few could afford. During World War II many were hidden and protected along with other priceless works-of-art.

Though the 540K models were all built to the same mechanical and chassis configurations, they varied based on their coachwork designs making many unique creations. Configurations varied such as four-seat cabriolets, long-tail roadsters, and high-door luxury styles. The vehicles were tailored to the buyer's requirements and requests.

With production low and craftsmanship at their peak, these vehicles are well sought after in modern times. They continue to win 'Best in Show' and class awards at various concourses throughout the country.

By Daniel Vaughan | Aug 2006
Two new – and very different – Mercedes models were displayed at the Berlin Motor Show in March 1934. One was the 130, Mercedes-Benz's first production car with a rear-mounted four-cylinder engine which developed 26 hp from a displacement of 1.3 liters. The other was the 500 K, an imposing, elegant sports car with supercharged eight-cylinder engine; with the supercharger engaged, it developed 160 hp from a displacement of 5,018 cc.
The 500 K was the successor to the 380 presented only one year earlier, and a descendant of the tremendously powerful, supercharged S, SS, SSK and SSKL sports cars – genuine muscle cars, as we would call them today, and virtually invincible in motor sport.

The first 500 K – 'K' for Kompressor = supercharger, to distinguish it from the 500 sedan without supercharger – had been designed as an elegant two- or four-seater sports car with roadster and cabriolet bodies tailored at the Daimler-Benz plant in Sindelfingen. With this model, the company bid farewell to the Roaring Twenties and the Big Four mentioned earlier. The latter had still had extremely firm chassis with rigid axles and leaf springs, i.e. hardly any damping at all, and their bodies were plain and above all functional, not to say uncomfortable.

The new supercharged Mercedes sports car appealed to well-heeled buyers because it was not only powerful but also more elegant, more comfortable and easier to handle than its predecessors – features welcomed in particular by the growing number of lady drivers.

Daimler-Benz had laid the foundations for this type of car as early as 1933 by introducing the 380, the first Mercedes-Benz sports car with swing axle. It was the first car that pampered its occupants with independent wheel suspension; the latter featured a sensational world first, a double-wishbone front axle that combined with the double-joint swing axle introduced in the 170 as early as 1931.

In this ground-breaking design, wheel location, springing and damping were for the first time separated from each other, creating a new level of precision in straightline stability. In its essence, this front axle, fitted like the rear axle with coil springs, has remained the design model for generations of automobiles throughout the world to this day, and it also featured in the 500 K, of course.

It was the customers' craving for power, however, that prompted the replacement of the 380, not exactly a lame duck with its supercharged 140 hp, by the 500 K only one year later. The newcomer's engine generated 160 hp with the supercharger engaged; even without the supercharger in action, it still had an impressive output of 100 hp at 3400 rpm. Depending on fuel quality, which varied greatly in those days, the compression ratio was between 1:5.5 and 1:6.5. The fuel was apportioned to the cylinders by a Mercedes-Benz double updraught carburetor. The driver engaged the double-vane Roots supercharger by depressing the accelerator pedal beyond a pressure point.

With the exception of first gear, both the standard four-speed and the optional five-speed transmissions were synchronized. A single-plate dry clutch linked the engine with the powertrain which transmitted engine power to the rear wheels. The car rolled along on wire-spoke wheels which were as elegant as they were robust.

All these features combined to permit a top speed of 160 kilometers per hour – a dream for sports cars in that day and age. The penalty was paid in the form of fuel consumption: between 27 and 30 liters were blown through the carburetor on 100 kilometers. The 110-liter tank in the rear gave the car a decent radius of action.

To meet the individual wishes of the demanding customers, three chassis variants were available for the 500 K: two long versions with a 3,290 millimeter wheelbase, differing in terms of powertrain and bodywork layout, and a short version with 2,980 millimeters.

The long variant, the so-called normal chassis with the radiator directly above the front axle, served as the backbone for the four-seater cabriolets 'B' (with four side windows) and 'C' (with two side windows) and, at a later stage, also for touring cars and sedans.

The roadsters, the two-seater cabriolet 'A' (with two side windows) and the ultra-modern, streamlined Motorway Courier, the first car with curved side windows and classified by the manufacturer as a sports sedan, were set up on a chassis on which radiator, engine, cockpit and all rearward modules were moved 185 millimeters back from the front axle. This configuration was a concession to the zeitgeist, a small trick that created the visual impression of a particularly long front-end and, therefore, the desired sporting appeal.

The most ravishing model of this species was the two-seater 500 K special roadster launched in 1936, a masterpiece in terms of its styling, with inimitably powerful and elegant lines. It has been filling onlookers with enthusiasm to this day, reflecting, as it does, the spirit of its day and age as well as the design perfection of the 500 K models. Its price tag – 28,000 Reichsmark – was 6,000 marks above the average price of 'simpler' models. People were able to buy a generously furnished house for that money.

The short-wheelbase chassis was used only for a few two-seaters with special bodies. On these models, the radiator was back right above the front axle, and the models carried the designations 500 K sports roadster, sports cabriolet and sports coupe.

The 500 K's chassis complete with helical-spindle steering had been adopted – though in further refined form – from the preceding 380: the new double-wishbone axle with coil springs at the front and the double-joint swing axle - complemented by double coil springs and additional transverse balancing spring – at the rear. The vacuum-boosted service brake acted hydraulically on all four wheels, the mechanical parking brake on the rear wheels. The chassis weighed as much as 1,700 kilograms; the complete car tipped the scales at 2,300 kilograms and the permissible gross weight was around 2,700 kilograms.

No matter what version of the 500 K you look at, the elegance of its body sends people into raptures even today: every single one had been given its own, unparalleled personality by the ingenious coachbuilders in Sindelfingen. Only few customers opted for bodywork tailored by independent bodybuilders to their own wishes (the price lists quoted the chassis as individual items), especially since the Sindelfingers rose above themselves in accommodating the customers' special wishes, for instance for individual fender versions, rear-end designs or interior appointments. Within two years, 342 units of the 500 K were produced.

In response to the virtually insatiable craving for performance on the part of well-heeled customers all over the world, the 500 K was replaced in 1936 by the 540 K with supercharged 180 hp engine. This model was sold to 319 motoring enthusiasts.

The history of supercharged Mercedes-Benz cars goes back to World War II and has its roots in aeroengine production. Daimler-Motoren-Gesellschaft had introduced mechanical air compressors which supercharged the engines and thereby compensated for the power loss of aeroengines at higher altitudes, ensuring their stable performance.

The first Mercedes models with supercharged engines were displayed at the Berlin Motor Show in 1921 – between bicycles with auxiliary engines and mini-cars. They caused quite a stir among automotive experts. With the supercharger, an engine booster had been introduced which, from 1926, catapulted Mercedes passenger, sports and racing cars into a new dimension of performance.

Source - Mercedes-Benz

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