Mercedes-Benz W187 Cabriolet A 220 (80 Hp)

The Mercedes-Benz W187, specifically the Cabriolet A 220 model, represents a pivotal moment in the post-war recovery of German automotive engineering. Produced between April 1951 and April 1954, this vehicle was not merely a car; it was a symbol of renewed prosperity and a return to luxury for a nation rebuilding after the devastation of World War II. The W187 series, encompassing saloons, coupes, and cabriolets, was Mercedes-Benz’s first all-new design after the war, and it established many of the design cues and engineering principles that would define the brand for decades to come. While not widely exported to the United States at the time, the W187 holds a significant place in automotive history as a precursor to the modern Mercedes-Benz lineup.

Mercedes-Benz W187 Cabriolet A 220: A Post-War Icon

The W187 series was intended to bridge the gap between pre-war Mercedes-Benz traditions and the demands of a modernizing world. It was positioned in the upper-middle class, offering a level of comfort and sophistication that was largely absent during the austerity years following the war. The Cabriolet A 220, with its elegant open-top design, was the most luxurious and desirable variant, appealing to a clientele seeking both style and status. The car’s design reflected a conservative aesthetic, prioritizing solidity and refinement over radical innovation, a characteristic that resonated with the prevailing mood of the time.

Engine & Performance

The heart of the W187 Cabriolet A 220 is its 2.2-liter (2195 cm3) inline-six cylinder engine, designated the M180 I / 180.920. This naturally aspirated engine produced 80 horsepower at 4600 rpm and 142 Nm (104.73 lb.-ft.) of torque at 2500 rpm. While these figures may seem modest by modern standards, they were respectable for the early 1950s, providing the car with adequate performance for comfortable cruising. The engine featured a single overhead camshaft (SOHC) valvetrain and a 6.5:1 compression ratio, and utilized a carburetor for fuel delivery. Power per liter was a respectable 36.4 Hp/l. Acceleration from 0 to 100 km/h (0-62 mph) took approximately 21 seconds, and it could achieve a top speed of 145 km/h (90.1 mph). The engine’s longitudinal front-engine layout and rear-wheel drive configuration were typical for the era. The weight-to-power ratio of 17.8 kg/Hp and a weight-to-torque ratio of 10 kg/Nm indicate a balanced, if not particularly sporty, driving experience.

Design & Features

The W187 Cabriolet A 220 is a classic example of 1950s automotive design. Its body style is a traditional two-door cabriolet, capable of seating five passengers. The car’s exterior is characterized by flowing lines, a prominent grille, and rounded fenders. Chrome accents were used extensively, adding to the vehicle’s luxurious appearance. The interior was similarly appointed, with comfortable seating upholstered in high-quality materials, and a wood-trimmed dashboard.

Safety features, while rudimentary by today’s standards, were nonetheless significant for the time. The car featured drum brakes on all four wheels, providing adequate stopping power. Steering was accomplished via a worm-reduction unit. Suspension consisted of a double wishbone setup with a transverse stabilizer at the front, and a trailing arm arrangement at the rear, offering a reasonably comfortable ride. The fuel tank capacity of 42 liters (11.1 US gallons) provided a reasonable driving range, although fuel consumption was relatively high at 10.9 l/100 km (21.6 US mpg).

Technical Specifications

BrandMercedes-Benz
ModelW187
GenerationW187 Cabriolet A
Type (Engine)220 (80 Hp)
Start of productionApril, 1951
End of productionApril, 1954
Powertrain ArchitectureInternal Combustion engine
Body typeCabriolet
Seats5
Doors2
Fuel consumption (combined)10.9 l/100 km
Fuel consumption (US mpg)21.6 US mpg
Fuel consumption (UK mpg)25.9 UK mpg
Fuel consumption (km/l)9.2 km/l
Fuel TypePetrol (Gasoline)
Acceleration 0 – 100 km/h21 sec
Acceleration 0 – 62 mph21 sec
Acceleration 0 – 60 mph20 sec
Maximum speed145 km/h
Maximum speed (mph)90.1 mph
Weight-to-power ratio17.8 kg/Hp
Weight-to-torque ratio10 kg/Nm
Power80 Hp @ 4600 rpm
Power per litre36.4 Hp/l
Torque142 Nm @ 2500 rpm
Torque (lb.-ft.)104.73 lb.-ft. @ 2500 rpm
Engine layoutFront, Longitudinal
Engine Model/CodeM 180 I / 180.920
Engine displacement2195 cm3
Engine displacement (cu. in.)133.95 cu. in.
Number of cylinders6
Engine configurationInline
Cylinder Bore80 mm
Cylinder Bore (in.)3.15 in.
Piston Stroke72.8 mm
Piston Stroke (in.)2.87 in.
Compression ratio6.5:1
Number of valves per cylinder2
Fuel injection systemCarburettor
Engine aspirationNaturally aspirated engine
ValvetrainSOHC
Kerb Weight1420 kg
Kerb Weight (lbs.)3130.56 lbs.
Max. weight1680 kg
Max. weight (lbs.)3703.77 lbs.
Max load260 kg
Max load (lbs.)573.2 lbs.
Fuel tank capacity42 l
Fuel tank capacity (US gal)11.1 US gal
Fuel tank capacity (UK gal)9.24 UK gal
Length4540 mm
Length (in.)178.74 in.
Width1685 mm
Width (in.)66.34 in.
Height1560 mm
Height (in.)61.42 in.
Wheelbase2845 mm
Wheelbase (in.)112.01 in.
Front track1315 mm
Front track (in.)51.77 in.
Rear track1435 mm
Rear track (in.)56.5 in.
Drivetrain ArchitectureRear wheel drive
Number of gears4
Gearbox typemanual transmission
Front suspensionDouble wishbone, Transverse stabilizer
Rear suspensionTrailing arm
Front brakesDrum
Rear brakesDrum
Steering typeWorm-reduction unit

The Mercedes-Benz W187 Cabriolet A 220 remains a highly sought-after classic car, representing a significant chapter in the history of Mercedes-Benz and a testament to the resilience and ingenuity of German engineering in the post-war era. Its combination of elegant styling, comfortable accommodations, and robust mechanicals ensures its continued appeal to collectors and enthusiasts worldwide.

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