Mercedes-Benz W29 Cabriolet C 540 K (180 Hp)


Overall Rating

8.6 / 10
Safety N/A / 5
Not Rated
Engine 4.5 / 5
Value 5.0 / 5
Performance 4.5 / 5
Comfort 4.0 / 5
People\'s Opinion N/A / 5
Not Rated

Mercedes-Benz W29:

The Mercedes-Benz 500K is a grand touring car built by Mercedes-Benz between 1934 and 1936. First exhibited at the 1934 Berlin Motor Show. It is distinguished from the 500 sedan by the "K" for Kompressor. it succeeded the Mercedes-Benz 380 introduced the previous year, It offered both a larger, more powerful engine and more opulent coachwork to meet customers' demands for greater luxury and performance.
The 500K used the same independent suspension as had been introduced on the 380, with a double wishbone front axle, double-joint swing axle at the rear, and separate wheel location, coil springs and damping, a world first. Consequently, it was a more comfortable and better handling car than Mercedes' previous S/SS/SSK generation of roadsters from the 1920s, and offered greater appeal to buyers, particularly the growing number of well-heeled female drivers of the time....(Read more on Wikipedia)

Cabriolet C Overview:

Mercedes-Benz W29 (Cabriolet C). With 431 Nm of torque, it offers ample pulling power. At around 2500 kg, it’s on the heavier side. Rear‑wheel drive offers dynamic handling and sporty feedback. The top speed reaches 170 km/h. A convertible car with a retractable roof, offering open-air driving experiences. Seating for 4 makes it ideal for daily use.

540 K (180 Hp) Verdict:

Rating 5 stars

Performance Verdict

The supercharged 5.4L inline-8 engine delivered exceptional power for its time, offering thrilling acceleration and a high top speed of 170 km/h, making it a true grand tourer.

Fuel Economy

Fuel consumption of 29 l/100 km is extremely high by modern standards, reflecting the era's less stringent efficiency concerns and the engine's large displacement and supercharger.

Best Use Case: Luxury touring, prestigious events, classic car rallies.

Pros and Cons:

Pros:

  • • Iconic pre-war luxury and design
  • • Exceptional performance for its era (180 Hp supercharged engine)
  • • High build quality and engineering excellence
  • • Significant historical and collector's value
  • • Elegant and rare Cabriolet C body style

Cons:

  • • Extremely high fuel consumption (29 l/100 km)
  • • Lack of modern safety features
  • • Very high acquisition and maintenance costs for a classic car
  • • Limited availability of parts and specialized servicing
  • • Not suitable for daily driving due to age and design

Specifications:

General:
Brand:Mercedes-Benz
Model:W29
Generation:Cabriolet C
Modification (Engine):540 K (180 Hp)
Start of production:1936
End of production:1937
Powertrain Architecture:Internal Combustion engine
Body type:Cabriolet
Seats:4
Doors:2
Engine:
Power:180 Hp @ 3400 rpm.
Power per litre:33.3 Hp/l
Torque:431 Nm @ 2200 rpm.
Engine Model/Code:M 24 II
Engine displacement:5401
Number of cylinders:8
Engine configuration:Inline
Number of valves per cylinder:2
Fuel injection system:Carburettor
Engine aspiration:Supercharger
Engine layout:Front, Longitudinal
Cylinder Bore:88 mm
Piston Stroke:111 mm
Compression ratio:6.5:1
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - combined:29 l/100 km
Maximum speed:170 km/h
Weight-to-power ratio:13.9 kg/Hp, 72 Hp/tonne
Weight-to-torque ratio:5.8 kg/Nm, 172.4 Nm/tonne
Space:
Kerb Weight:2500
Max. weight:2850
Max load:350
Fuel tank capacity:110 l
Size:
Length:5250 mm
Width:1880 mm
Height:1635 mm
Wheelbase:3290 mm
Front track:1535 mm
Rear (Back) track:1547 mm
Ride height (ground clearance):190 mm
Minimum turning circle (turning diameter):12.8 m
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears4
Transmission typeManual
Wheel rims size17
Front suspensionCoil spring, Double wishbone
Rear suspensionCoil spring

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