Mercedes-Benz W180 II Sedan 220 S (106 Hp) Hydrak

The Mercedes-Benz W180 II Sedan 220 S, produced between 1957 and 1959, represents a significant evolution in post-war German automotive engineering. Part of the “Ponton” series – a name derived from the car’s pontoon-like, rounded styling – the 220 S was positioned as a luxury sedan aimed at a growing middle and upper-middle class. It built upon the foundation laid by the earlier W180 models, offering increased refinement, power, and a more modern aesthetic. While not initially a major export to the United States, the Ponton series, and the 220 S in particular, established Mercedes-Benz as a builder of high-quality, technologically advanced automobiles, paving the way for the brand’s later success in the American market.

The Mercedes-Benz W180 II Sedan 220 S: A Detailed Overview

The W180 series as a whole marked a departure from the pre-war designs still evident in some contemporary vehicles. The Ponton styling, characterized by its unibody construction and integrated fenders, offered improved structural rigidity and passenger safety. The 220 S specifically represented the top-of-the-line model within the W180 II generation, boasting a larger engine and enhanced interior appointments compared to the 220 and 219 variants. The “S” designation signified “Special,” indicating a higher level of trim and features. The Hydrak transmission, a four-speed manual, was a notable feature, offering a smoother and more refined driving experience than many of its competitors.

Engine & Performance

The heart of the 220 S is its 2.2-liter (2195 cm³) inline-six cylinder engine, designated the M180 III / 180.924. This naturally aspirated engine produced 106 horsepower at 5200 rpm and 172 Nm (126.86 lb.-ft.) of torque at 3500 rpm. While these figures may seem modest by modern standards, they were competitive for a luxury sedan of the late 1950s. The engine featured a single overhead camshaft (SOHC) valvetrain and a compression ratio of 8.7:1. Fuel was delivered via a carburetor. The engine’s power-to-weight ratio was 79.1 HP per tonne, and it delivered 48.3 horsepower per liter of displacement. Performance was adequate for comfortable cruising, with a top speed of 160 km/h (99.42 mph). Acceleration from 0 to 100 km/h (0-62 mph) took approximately 17 seconds, and 0 to 60 mph was achieved in around 16.2 seconds. Fuel consumption was rated at 10.9 l/100 km (21.6 US mpg, 25.9 UK mpg, 9.2 km/l).

Design & Features

The 220 S is a four-door, five-seat sedan with a classic, elegant design. Its unibody construction was a significant advancement for the time, contributing to improved safety and handling. The car’s dimensions are 4750 mm (187.01 in) in length, 1740 mm (68.5 in) in width, and 1560 mm (61.42 in) in height, with a wheelbase of 2820 mm (111.02 in). The front and rear tracks measure 1430 mm (56.3 in) and 1470 mm (57.87 in) respectively. The interior was appointed with high-quality materials, reflecting the car’s luxury positioning. While safety features were limited by the standards of the era, the unibody construction offered inherent crash protection. The Hydrak four-speed manual transmission provided a more refined shifting experience compared to many contemporary manual gearboxes. The suspension system utilized double wishbones with a transverse stabilizer at the front and a trailing arm setup at the rear, providing a comfortable ride. Braking was accomplished via drum brakes on all four wheels. The fuel tank capacity is 64 liters (16.91 US gal, 14.08 UK gal).

Technical Specifications

BrandMercedes-Benz
ModelPonton
GenerationW180 II Sedan
Type (Engine)220 S (106 Hp) Hydrak
Start of productionAugust, 1957
End of productionAugust, 1959
Powertrain ArchitectureInternal Combustion engine
Body typeSedan
Seats5
Doors4
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/h17 sec
Acceleration 0 – 62 mph17 sec
Acceleration 0 – 60 mph16.2 sec
Maximum speed160 km/h (99.42 mph)
Weight-to-power ratio12.6 kg/Hp
Weight-to-torque ratio7.8 kg/Nm
Power106 Hp @ 5200 rpm
Power per litre48.3 Hp/l
Torque172 Nm @ 3500 rpm (126.86 lb.-ft. @ 3500 rpm)
Engine layoutFront, Longitudinal
Engine Model/CodeM 180 III / 180.924
Engine displacement2195 cm3 (133.95 cu. in.)
Number of cylinders6
Engine configurationInline
Cylinder Bore80.01 mm (3.15 in.)
Piston Stroke72.8 mm (2.87 in.)
Compression ratio8.7:1
Number of valves per cylinder2
Fuel injection systemCarburettor
Engine aspirationNaturally aspirated engine
ValvetrainSOHC
Engine oil capacity11.9 l (12.57 US qt | 10.47 UK qt)
Coolant capacity11.4 l (12.05 US qt | 10.03 UK qt)
Kerb Weight1340 kg (2954.19 lbs.)
Max. weight1790 kg (3946.27 lbs.)
Max load450 kg (992.08 lbs.)
Fuel tank capacity64 l (16.91 US gal | 14.08 UK gal)
Length4750 mm (187.01 in.)
Width1740 mm (68.5 in.)
Height1560 mm (61.42 in.)
Wheelbase2820 mm (111.02 in.)
Front track1430 mm (56.3 in.)
Rear track1470 mm (57.87 in.)
Drivetrain ArchitectureRear wheel drive
Number of gears and type of gearbox4 gears, manual transmission Hydrak
Front suspensionDouble wishbone, Transverse stabilizer
Rear suspensionTrailing arm
Front brakesDrum
Rear brakesDrum
Steering typeCone worm with recirculation balls

The Mercedes-Benz W180 II Sedan 220 S remains a sought-after classic car, appreciated for its elegant styling, robust engineering, and historical significance. It represents a pivotal moment in Mercedes-Benz’s development, solidifying its reputation for building high-quality, technologically advanced automobiles.

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