The Mercedes-Benz SL W121 was a two-seat roadster produced by Mercedes-Benz from 1954 to 1963. It was the successor to the W180 and featured a more streamlined body design with a longer wheelbase.
Engine
Type: M123
Displacement: 2,245 cc (137 cu in)
Power output: 120 hp (89 kW) at 5,500 rpm
Torque output: 150 Nm (111 lb-ft) at 3,200 rpm
Transmission and Chassis
Type: 4-speed manual with overdrive
Gear ratios:
1st gear: 2.94:1
2nd gear: 1.92:1
3rd gear: 1.16:1
4th gear: 0.84:1 (overdrive)
Suspension: Independent suspension with coil springs and wishbone-type axles at the front, swing axle with semi-trailing arms at the rear
Brakes: Drum brakes all around
Dimensions and Weight
Length: 4,530 mm (178.3 in)
Width: 1,680 mm (66.1 in)
Height: 1,320 mm (51.9 in)
Wheelbase: 2,500 mm (98.4 in)
Track front/rear: 1,450/1,440 mm (57.1/56.7 in)
Curb weight: approximately 900 kg (1,984 lb)
Performance
Top speed: 130 km/h (80.8 mph) (electronically limited)
Acceleration:
0-100 km/h (0-62.1 mph): 17 seconds
0-120 km/h (0-74.6 mph): 40 seconds
Design and Features
Body style: Two-seat roadster with folding soft-top roof
Interior: Leather upholstery, wooden dashboard trim, and a minimalist design aesthetic
Safety features: None standard, but optional on some models
Production Numbers and Availability
Produced from 1954 to 1963 (approximately 14,000 units)
Exported to Europe, North America, and Australia during its production run
