190 SL Roadster
- Combustion principle: four-stroke petrol
- Configuration: front, longitudinal; vertical
- Engine type: M 121 B II / 121.921, from 08.1961: M 121 B XI / 121.928
- Number of cylinders / arrangement: 4 / in-line
- Bore x Stroke: 85 x 83.6 mm
- Total displacement: 1897 cc (tax classification: 1882 cc)
- Compression ratio: 8.5; from 09.1959: 8.8
- Rated output: 105 hp at 5700 rpm
- Rated torque: 14.5 mkg at 3200 rpm
- Number of valves / arrangement: 1 intake, 1 exhaust / overhead
- Valve operation: 1 overhead camshaft
- Camshaft drive: double roller chain
- Fuel system: 2 Solex 44 PHH compound downdraught carburettors
- Fuel tank: position / capacity: in the rear / 65 l
- Frame design: floor assembly / steel unit body
- Front-wheel suspension: double wishbone
- Rear-wheel suspension: single-joint swing axle
- Front springs: coil springs, torsion bar stabiliser
- Rear springs: coil springs
- Shock absorber front/rear: telescopic shock absorbers
- Steering: recirculating-ball steering
- Brake system (foot brake): hydraulic, from 05.1956 with vacuum booster, acting on front- and rear wheels; four-wheel drum brakes
- Parking brake (hand brake): mechanical, acting on rear wheels
- Wheels: sheet-steel disc wheels
- Wheel rims: drop-centre rim 5 K x 13
- Tires: 6.40-13 sport
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 4-speed manual transmission
- Availibility: as standard (1st version)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.40; II. 2.0; III. 1.29; IV. 1.0; R. 3.29
- Final drive ratio: 3.70; 3.89 or 3.90
- Maximum speed: 170 - 180 km/h
- Acceleration 0-100 km/h: 14.5 s
- Fuel consumption: 8.6 l
- by Guideline: DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
- Gearing: 4-speed manual transmission
- Availibility: as standard (2nd version)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.52; II. 2.32; III. 1.52; IV. 1.0; R. 3.29
- Final drive ratio: 3.90
- Maximum speed: 170 - 180 km/h
- Acceleration 0-100 km/h: 14.5 s
- Fuel consumption: 8.6 l
- by Guideline: DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
- Wheelbase: 2400 mm
- Front / rear track: 1430 / 1475 mm
- Length: 4290 mm
- Width: 1740 mm
- Height: 1320 mm (with cabriolet top closed)
- Kerb weight: 1140 kg; from 1960: 1160 kg
- by Guideline: DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
- Gross weight: 1400 kg; from 1960: 1440 kg
- Units produced: 25,881 roadsters and coupes
- Prices: 02.1955: DM 16,500.00