- Passenger Cars
- Mercedes-Benz Passenger Cars, since 1946
- E-Class Saloons and predecessors
- "Ponton Mercedes", four-cylinder models (W 120, W 121), 1953 - 1959
- 180 / W 120 B I, 1953 - 1957
180
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- Design name: W 120 B I
- Type: 120.010 (with sliding roof: 120.011)
- Production period: 07.1953 - 06.1957
- Combustion principle: four-stroke petrol
- Configuration: front, longitudinal; vertical
- Engine type: M 136 VII / 136.925
- Number of cylinders / arrangement: 4 / in-line
- Bore x Stroke: 75 x 100 mm
- Total displacement: 1767 cc (tax classification: 1755 cc)
- Compression ratio: 6.7
- Rated output: 52 hp at 4000 rpm
- Rated torque: 11.4 mkg at 1800 rpm
- Number of valves / arrangement: 1 intake, 1 exhaust / lateral, vertical
- Valve operation: lateral camshaft
- Camshaft drive: double roller chain
- Fuel system: 1 Solex 32 PICB downdraught carburettor
- Fuel tank: position / capacity: in the rear / 56 l
- Frame design: floor assembly / steel unit body
- Front-wheel suspension: double wishbone
- Rear-wheel suspension: swing axle; from 09.1955: 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, 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 4 1/2 K x 13
- Tires: 6.40-13
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 4-speed manual transmission
- Availibility: as standard
- Shifting: steering-column shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 4.05; II. 2.38; III. 1.53; IV. 1.0; R. 3.92
- Final drive ratio: 3.89
- Maximum speed: 126 km/h
- Acceleration 0-100 km/h: 31 s
- Fuel consumption: 8.7 l
- by Guideline: DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
- Wheelbase: 2650 mm
- Front / rear track: 1420 / 1450 mm; from 09.1955: 1420 / 1460 mm
- Length: 4460 mm
- Width: 1740 mm
- Height: 1560 mm
- Kerb weight: 1150 kg
- by Guideline: DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
- Gross weight: 1600 kg
- Units produced: 51,907 saloons
- Prices: 09.1953: DM 9950.00
02.1954: DM 9450.00
05.1956: DM 8700.00