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  4. Mercedes-Benz SL Roadster (W121) 190 SL (105 Hp) 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963
Mercedes-Benz SL Roadster (W121) 190 SL (105 Hp) 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963
Mercedes-Benz SL Roadster (W121) 190 SL (105 Hp) 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963
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General information

Name

Mercedes-Benz SL Roadster (W121) 190 SL (105 Hp) 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963

Brand

Mercedes-Benz
Model

SL
Generation

SL Roadster (W121)
Year of production

1955

Number of seats

3

Number of doors

2

Body type

Roadster
Powertrain architecture

Internal Combustion engine
Engine Modification

190 SL (105 Hp)

Power

105 Hp @ 5700 rpm.

Torque (Nm)

142 Nm @ 3200 rpm.

Electrical System

Performance specs

Fuel consumption economy combined (l/100 km)

8.6 l/100 km

Maximum speed (km/h)

173 km/h

Engine specs

Engine #1

Engine code
M 121
Power
105 Hp @ 5700 rpm.
Power per litre
55.4 Hp/l
Torque
142 Nm @ 3200 rpm.
Maximum engine speed
6000 rpm.
Engine displacement
1897 cm3
Number of cylinders
4
Position of cylinders
Inline
Cylinder bore
85 mm
Piston stroke
83.6 mm
Compression ratio
8.5
Number of valves per cylinder
2
Fuel system
Carburettor
Fuel type
Petrol (Gasoline)

Space volume and weights

Curb weight (kg)

1140 kg

Max weight (kg)

1400 kg

Fuel tank capacity (l)

65 l

Dimensions

Length (mm)

4220 mm

Width (mm)

1740 mm

Height (mm)

1320 mm

Wheelbase (mm)

2400 mm

Front track (mm)

1430 mm

Rear track (mm)

1470 mm

Minimum turning circle turning diameter (mm)

11 m

Drivetrain brakes and suspension specs

Drivetrain architecture

The ICE drives the rear wheels of the vehicle.

Drive wheel

Rear wheel drive

Transmission type

manual

Front suspension system

Double wishbone

Rear suspension system

dependent spring suspension

Front brakes

Drum

Rear brakes

Drum

Wheel rims size

R13

Technology and Operation