Mercedes-Benz 300 SLR Coupe (W196S) 3.0 (310 Hp)


Overall Rating

8 / 10
Safety N/A / 5
Not Rated
Engine 5.0 / 5
Value 5.0 / 5
Performance 5.0 / 5
Comfort 1.5 / 5
People\'s Opinion N/A / 5
Not Rated

Mercedes-Benz 300 SLR:

The Mercedes-Benz 300 SLR is a two-seat sports racing car that took part in the 1955 World Sportscar Championship before a catastrophic crash and fire at Le Mans later that year ended its domination prematurely. The car was designated "SL-R" , which was later condensed to "SLR". Technically, the W 196 S is based on the W 196 R, but has a slightly different engine, displacing 3 litres.
Just as the W 196 R Formula One racer's M 196 R engine, the 300 SLR's M 196 S engine is a direct-injected 3-litre straight-eight engine ; its rated power is 302 PS....(Read more on Wikipedia)

Coupe (W196S) Overview:

Mercedes-Benz 300 SLR (Coupe (W196S)). With 311 Nm of torque, it offers ample pulling power. Weighing only 1117 kg, it’s quite light. Rear‑wheel drive offers dynamic handling and sporty feedback. The top speed reaches 284 km/h. A two-door car with a fixed roof, known for its sporty design and dynamic performance. Seating for 2 makes it ideal for daily use.

3.0 (310 Hp) Verdict:

Rating 5 stars

Performance Verdict

This 3.0L M 196 S inline-8 engine was a masterpiece of engineering for its time, delivering an astonishing 310 Hp. Its direct injection and DOHC setup provided incredible power and responsiveness, making it a dominant force on the track and one of the fastest cars of its era.

Fuel Economy

Fuel economy was not a primary concern for this race-bred machine. With a consumption of 30 l/100 km, it is exceptionally thirsty, reflecting its high-performance nature and the technology of the mid-1950s.

Best Use Case: Historic Racing / Collector / Exhibition

Pros and Cons:

Pros:

  • • Unparalleled historical significance and rarity
  • • Groundbreaking engineering and performance for its era
  • • Stunning, iconic design ('Uhlenhaut Coupe')
  • • Exceptional collector's item with immense value
  • • Direct lineage to Formula 1 winning technology

Cons:

  • • Extremely high fuel consumption (30 l/100 km)
  • • No modern safety features whatsoever
  • • Impractical for road use; designed for racing
  • • Astronomical acquisition and maintenance costs
  • • Limited comfort and refinement due to race-bred nature

Specifications:

General:
Brand:Mercedes-Benz
Model:300 SLR
Generation:Coupe (W196S)
Modification (Engine):3.0 (310 Hp)
Start of production:1955
End of production:1955
Powertrain Architecture:Internal Combustion engine
Body type:Coupe
Seats:2
Doors:2
Engine:
Power:310 Hp @ 7400 rpm.
Power per litre:104 Hp/l
Torque:311 Nm @ 5950 rpm.
Engine Model/Code:M 196 S
Engine displacement:2982
Number of cylinders:8
Engine configuration:Inline
Number of valves per cylinder:2
Fuel injection system:Direct injection
Engine aspiration:Naturally aspirated engine
Valvetrain:DOHC
Engine layout:Front, Longitudinal
Cylinder Bore:78 mm
Piston Stroke:78 mm
Compression ratio:9:1
Maximum engine speed:7800 rpm.
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - combined:30 l/100 km
Maximum speed:284 km/h
Weight-to-power ratio:3.6 kg/Hp, 277.5 Hp/tonne
Weight-to-torque ratio:3.6 kg/Nm, 278.4 Nm/tonne
Space:
Kerb Weight:1117
Fuel tank capacity:155 l
Size:
Length:4350 mm
Width:1750 mm
Height:1210 mm
Wheelbase:2370 mm
Front track:1330 mm
Rear (Back) track:1380 mm
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears5
Transmission typeManual
Front brakesDrum, 350 mm
Rear brakesDrum, 275 mm
Steering typeWorm-reduction unit
Tires sizeFront wheel tires: 175/95 R16
Wheel rims sizeFront wheel rims: 16
Front suspensionDouble wishbone

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