1954 Mercedes-Benz 190 SL W 121

The 190 SL is a rear wheel drive Karl Wilfert and Walter Häcker designed convertible/cabriolet road car with a front positioned engine, sold by Mercedes-Benz. The Mercedes-Benz 190 SL belongs to the W 121 range of cars from Mercedes-Benz. The power is produced by a naturally aspirated engine of 1.9 litre capacity. This unit features single overhead camshaft valve gear, 4 cylinder layout, and 2 valves per cylinder. It develops 104 bhp (105 PS/78 kW) of power at 5800 rpm, and maximum torque of 155 N·m (114 lb·ft/15.8 kgm) at 3800 rpm. The power is delivered to the wheels by means of a 4 speed manual gearbox. The claimed kerb weight is 1140 kg. Maximum speed stated is 172 km/h or 107 mph.

Pictures

Mercedes-Benz 190 SL -
Mercedes-Benz 190 SL
Image courtesy of Mercedes-Benz
Mercedes-Benz 190 SL -
Mercedes-Benz 190 SL
Image courtesy of Mercedes-Benz

Key facts

1954 Mercedes-Benz 190 SL W 121 information summary

What body style?
2 door convertible/cabriolet with 2 seats
How long?
4290 mm
How heavy?
1140 kg
What size engine?
1.9 litre, 1897 cm3
How many cylinders?
4, Straight
How much power?
105 PS / 104 bhp / 78 kW @ 5800 rpm
How much torque?
155 Nm / 114 ft.lb / 15.8 kgm @ 3800 rpm
How quick?
0-60 mph: 13.3 s
How fast?
172 km/h, 107 mph

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Lancia Aurelia B24 GT 2500 Convertible America -
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1954 Mercedes-Benz 190 SL data
bodywork
Body type2 seater convertible/cabriolet
Number of doors2
DesignerKarl Wilfert and Walter Häcker
dimensions & weights
mminches
Wheelbase 2400 mm 94.5 inches
Track/tread (front) 1430 mm 56.3 inches
Track/tread (rear) 1475 mm 58.1 inches
Length 4290 mm 168.9 inches
Width 1740 mm 68.5 inches
Height 1320 mm 52 inches
Ground clearance 156 mm 6.1 inches
length:wheelbase ratio 1.79
Kerb weight 1140 kg 2513 lb
Weight distribution
fuel tank capacity 65 litres 14.3 UK Gal 17.2 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Mercedes-Benz
Engine code M 121 B II
Cylinders Straight 4
Capacity 1.9 litre
1897 cc
(115.762 cu in)
Bore × Stroke 85 × 83.58 mm
3.35 × 3.29 in
Bore/stroke ratio 1.02
Valve gear single overhead camshaft (SOHC)
2 valves per cylinder
8 valves in total
maximum power output
(Net)
105 PS (104 bhp) (78 kW)
at 5800 rpm
Specific output
(Net)
54.8 bhp/litre
0.9 bhp/cu in
maximum torque
(Net)
155 Nm (114 ft·lb) (15.8 kgm)
at 3800 rpm
Specific torque
(Net)
81.71 Nm/litre
0.99 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 8.8:1
Fuel system 2 Solex 44 PHH carburettors
bmep (brake mean effective pressure) 1026.8 kPa (148.9 psi)
Maximum RPM
crankshaft bearings 3
Engine coolant Water
Unitary capacity 474.25 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph 13.3 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile 17.8 s
Standing kilometre
Maximum speed 172 km/h (107 mph)
Power-to-weight ratio 92.5 PS/tonne (1000 kg)
68.03 kW/tonne (1000 kg)
91.23 bhp/tonne (1000 kg)
0.04 bhp/lb
Weight-to-power ratio 14.7 kg/kW
24.55 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering
turns lock-to-lock 3.500
Turning circle 11.00 m
Front suspension I.CS.
Rear suspension I.CS.
Wheel size front 5K x 13
Wheel size rear 5K x 13
Tyres front 6.40-13
Tyres rear 6.40-13
Brakes F/R Dr/Dr
Front brake diameter 230 mm
Rear brake diameter 230 mm
Braked area 1768 cm2
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 3.90
general
Carfolio.com ID61908
Production total
Model code
Model family W 121
RAC rating 17.9
Insurance classification No information available
Tax band No information available
1954 Mercedes-Benz 190 SL added before December 1995.
Last modified 2013-02-28.