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Mercedes-Benz 300 SL                        "Gullwing" (W198 I)                       300 SL Roadster (W198 II)

Produced:                                                         1954–1957                                         1957–1963

Engine:                                                6-cylinder-inline engine (four-stroke), front-mounted

Bore x Stroke:                                   85 mm (3.3 in) x 88 mm (3.5 in) Displacement: 2996 cc

Max. Power @ rpm:      215 PS (158 kW; 212 hp) @ 5800 215 PS (158 kW; 212 hp) @ 5800or

Max. Torque @ rpm:                                                    274 N⋅m (202 lb⋅ft) @ 4600

Compression Ratio:                                       8.55: 1                                                  8.55: 1 or 9.5:1

Fuel feed:                                          Mechanical direct fuel injection, Bosch injection pump

Fuel tank capacity:          130 L (34.3 US gal; 28.6 imp gal) 100 L (26.4 US gal; 22.0 imp gal)

Valve train:                                                                       SOHC, duplex chain

Cooling:                                                                                    Water

Gearbox:   4-speed manual Rear wheel drive, standard axle ratio 3.64:1 (on request 3.25:1, 3.42:1, 3.89:1 or 4.11:1)

Electrical system:                                                                  12 volt

Front suspension:                                           Double wishbones, coil springs, stabilizing bar

Rear suspension::           High-pivot swing axle, radius arms, coil springs Low-pivot swing axle,             transverse compensating spring, coil springs

Brakes:                                                  Drum brakes (Ø 260 mm), power assisted          

from March 1961:                           disc brakes front and rear (Ø 290 mm), power assisted

Steering:                                                      Recirculating ball steering

Body structure:           Sheet steel/aluminum or aluminum (29 cars built) on steel tube space frame  Sheet steel/aluminum on steel tube space frame

Dry weight:                              1,310 kg (2,890 lb)           1,420 kg (3,130 lb) (hardtop + 40 kg (88 lb))

Loaded weight:                        1,555 kg (3,428 lb)           1,560 kg (3,440 lb), from 1961 1,660 kg (3,660 lb)

Track front/

rear:                1,385 mm (54.5 in) 1,435 mm (56.5 in)            1,398 mm (55.0 in) 1,448 mm (57.0 in)

Wheelbase:                                                          2,400 mm (94.5 in)

Length:                                 4,520 mm (178.0 in)                               4,570 mm (179.9 in)

Width:                                    1,790 mm (70.5 in)                                  1,790 mm (70.5 in)

Height:                                   1,300 mm (51.2 in)                                  1,300 mm (51.2 in)

Tyre/Tire sizes:                                                   6.50–15 Supersport                                                       6.70–15 Supersport

Top speed:                                                     235 km/h (146 mph) (3.64:1)

250 km/h (155 mph) (3.42:1)

260 km/h (160 mph) (3.25:1)     "according to axle ratio"

Fuel Consumption (estimate):        17.0 litres per 100 kilometres (16.6 mpg‑imp; 13.8 mpg‑US)

Price Germany  DM 29,000 DM 32,500           (Hardtop: + DM 1,500)

 USA     $11,000, later 7,295[14]       $ 10,928, later 10,950 (Hardtop: + $178)\