300 SE; from 06.1993: S 320
- Combustion principle: four-stroke petrol (with manifold injection and emission control system with closed-loop 3-way catalyst)
- Configuration: front, longitudinal; vertical
- Engine type: M 104 E 32 / 104.990; from 06.1993: 104.994
- Number of cylinders / arrangement: 6 / in-line; 15° inclination to the right
- Bore x Stroke: 89.9 x 84.0 mm
- Total displacement: 3199 cc
- Compression ratio: 10.0
- Rated output: 170 kW / 231 hp at 5800 rpm; from 06.1993: at 5600 rpm
- Rated torque: 310 Nm at 4100 rpm; from 06.1993: 315 Nm at 3750 rpm
- Number of valves / arrangement: 2 intake, 2 exhaust / V-shaped overhead
- Valve operation: 2 overhead camshafts (intake camshaft adjustable)
- Camshaft drive: double roller chain
- Fuel system: microprocessor-controlled injection system with hot-wire air-mass sensor (LH-Jetronic); from 06.1993 with hot-film air-mass sensor (HFM)
- Fuel tank: position / capacity: above the rear axle / 100 l
- Frame design: steel unit body
- Front-wheel suspension: double wishbone
- Rear-wheel suspension: multilink suspension (hydropneumatic level control optional)
- Front springs: coil springs, torsion bar stabiliser
- Rear springs: coil springs, torsion bar stabiliser
- Shock absorber front/rear: gas-pressure shock absorbers
- Steering: recirculating-ball power steering, from 09.1991 parameter steering
- Brake system (foot brake): hydraulic dual-circuit brake system with vacuum booster and antilock system;~disc brakes front (internally ventilated) and rear
- Parking brake (hand brake): mechanical (foot-operated), acting on rear wheels
- Wheels: sheet-steel wheels (light-alloy wheels optional)
- Wheel rims: 7 1/2 J x 16 H 2
- Tires: 225/60 R 16 97 V; from 01.1993: 235/60 R 16 100 V
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 5-speed manual transmission
- Availibility: as standard (until 12.1992)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 4.15; II. 2.52; III. 1.69; IV. 1.24; V. 1.0; R. 4.15
- Final drive ratio: 3.46
- Maximum speed: 230 km/h
- Acceleration 0-100 km/h: 9.4 s
- Fuel consumption: 9.5 / 11.6 / 17.6 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Gearing: 4-speed automatic transmission
- Availibility: optional (standard from 01.1993)
- Shifting: central floor gear shift lever
- Clutch: hydraulic torque converter in automatic transmission
- Transmission type: planetary gear system
- Gear ratios: I. 3.87; II. 2.25; III. 1.44; IV. 1.0; R. 5.59
- Final drive ratio: 3.46; from 08.1993: 3.27
- Maximum speed: 225 km/h
- Acceleration 0-100 km/h: 8.9 s
- Fuel consumption: 10.3 / 12.3 / 15.8 l; from 06.1993: 9.6 / 11.6 / 14.5 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Gearing: 5-speed automatic transmission
- Availibility: optional
- Shifting: central floor gear shift lever
- Clutch: hydraulic torque converter in automatic transmission
- Transmission type: planetary gear system
- Gear ratios: I. 3.87; II. 2.25; III. 1.44; IV. 1.0; V. 0.75; R. 5.59
- Final drive ratio: 3.69; from 08.1993: 3.46
- Maximum speed: 225 km/h
- Acceleration 0-100 km/h: 8.9 s
- Fuel consumption: 9.3 / 11.1 / 16.3 l; from 06.1993: 8.8 / 10.7 / 14.9 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Wheelbase: 3040 mm
- Front / rear track: 1603 / 1576 mm; from 06.1993: 1606 / 1579 mm
- Length: 5113 mm
- Width: 1886 mm
- Height: 1492 mm; from 06.1993: 1486 mm
- Kerb weight: 1890 kg
- by Guideline: DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
- Gross weight: 2410 kg; from 09.1991: 2550 kg
- Units produced: a total of 98,095 (until 09.1998)
- Prices: 03.1991: DM 87,894.00
09.1991: DM 90,516.00
10.1992: DM 91,314.00
01.1993: DM 98,152.50