The Mercedes-Benz W180 II Coupe 220 S, produced between August 1957 and October 1959, represents a refined iteration of the “Ponton” series, a pivotal design era for the German automaker. Positioned as a luxury coupe, the 220 S offered a more elegant and exclusive alternative to the standard Ponton sedans. This generation marked a significant step forward in post-war Mercedes-Benz design, moving away from the pre-war aesthetic and embracing a more modern, streamlined appearance. While not initially a high-volume seller in the United States, the Ponton series, including the 220 S Coupe, laid the groundwork for Mercedes-Benz’s eventual success in the American luxury car market.
The Mercedes-Benz W180 II Coupe: A Detailed Overview
The W180 series, often referred to as the “Ponton” due to its pontoon-like, integrated body construction, was a landmark vehicle for Mercedes-Benz. The second generation (W180 II) brought improvements in styling, comfort, and performance. The 220 S Coupe, specifically, was a two-door variant designed to appeal to buyers seeking a more sporting and sophisticated vehicle. It represented a blend of luxury and understated elegance, characteristic of the era. The “S” designation indicated a higher level of trim and refinement compared to the base models.
Engine & Performance
The heart of the 220 S Coupe is its 2.2-liter (2195 cm3) inline-six cylinder engine, designated the M 180 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 car of its time. The engine featured a single overhead camshaft (SOHC) valvetrain and utilized a carburetor fuel injection system. Power is delivered to the rear wheels through a four-speed manual transmission. Acceleration from 0 to 100 km/h (0-62 mph) took approximately 17 seconds, and the vehicle had a top speed of 160 km/h (99.42 mph). The weight-to-power ratio was 12.7 kg/Hp, and the weight-to-torque ratio was 7.8 kg/Nm. Fuel consumption was rated at 10.7 l/100 km (22 US mpg, 26.4 UK mpg, 9.3 km/l).
Design & Features
The 220 S Coupe boasts a classic coupe silhouette with a flowing roofline and elegant proportions. Its body-on-frame construction, while becoming less common in the late 1950s, provided a robust and durable platform. The integrated headlight and grille design was a defining feature of the Ponton series, contributing to its modern aesthetic. The interior was appointed with high-quality materials, offering seating for five passengers, although rear seat space was somewhat limited due to the coupe body style. Safety features, while rudimentary by today’s standards, included robust construction and reliable braking systems for the period. The car’s design prioritized a comfortable and refined driving experience, with a focus on understated luxury rather than overt flamboyance. The steering system employed a cone worm with recirculation balls, providing a relatively precise and responsive feel.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | Ponton |
| Generation | W180 II Coupe |
| Type (Engine) | 220 S (106 Hp) |
| Start of production | August, 1957 |
| End of production | October, 1959 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 5 |
| Doors | 2 |
| Fuel consumption (combined) | 10.7 l/100 km |
| Fuel consumption (US mpg) | 22 US mpg |
| Fuel consumption (UK mpg) | 26.4 UK mpg |
| Fuel consumption (km/l) | 9.3 km/l |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 17 sec |
| Acceleration 0 – 62 mph | 17 sec |
| Acceleration 0 – 60 mph | 16.2 sec |
| Maximum speed | 160 km/h |
| Maximum speed (mph) | 99.42 mph |
| Weight-to-power ratio | 12.7 kg/Hp |
| Weight-to-torque ratio | 7.8 kg/Nm |
| Power | 106 Hp @ 5200 rpm |
| Power per litre | 48.3 Hp/l |
| Torque | 172 Nm @ 3500 rpm |
| Torque (lb.-ft.) | 126.86 lb.-ft. @ 3500 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 180 III / 180.924 |
| Engine displacement | 2195 cm3 |
| Engine displacement (cu. in.) | 133.95 cu. in. |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 80 mm |
| Cylinder Bore (in.) | 3.15 in. |
| Piston Stroke | 72.8 mm |
| Piston Stroke (in.) | 2.87 in. |
| Compression ratio | 8.7:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Carburettor |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 11.9 l |
| Engine oil capacity (US qt) | 12.57 US qt |
| Engine oil capacity (UK qt) | 10.47 UK qt |
| Coolant capacity | 11.4 l |
| Coolant capacity (US qt) | 12.05 US qt |
| Coolant capacity (UK qt) | 10.03 UK qt |
| Kerb Weight | 1350 kg |
| Kerb Weight (lbs.) | 2976.24 lbs. |
| Max. weight | 1790 kg |
| Max. weight (lbs.) | 3946.27 lbs. |
| Max load | 440 kg |
| Max load (lbs.) | 970.03 lbs. |
| Fuel tank capacity | 64 l |
| Fuel tank capacity (US gal) | 16.91 US gal |
| Fuel tank capacity (UK gal) | 14.08 UK gal |
| Length | 4700 mm |
| Length (in.) | 185.04 in. |
| Width | 1790 mm |
| Width (in.) | 70.47 in. |
| Height | 1530 mm |
| Height (in.) | 60.24 in. |
| Wheelbase | 2700 mm |
| Wheelbase (in.) | 106.3 in. |
| Front track | 1430 mm |
| Front track (in.) | 56.3 in. |
| Rear track | 1470 mm |
| Rear track (in.) | 57.87 in. |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 4 |
| Gearbox type | manual transmission |
| Front suspension | Double wishbone, Transverse stabilizer |
| Rear suspension | Trailing arm |
| Front brakes | Drum |
| Rear brakes | Drum |
| Steering type | Cone worm with recirculation balls |
The Mercedes-Benz W180 II Coupe 220 S remains a sought-after classic, appreciated for its elegant design, robust engineering, and historical significance. It represents a crucial step in Mercedes-Benz’s evolution as a global luxury car manufacturer, and a testament to the enduring appeal of classic German automotive engineering.
