300 D

Design name:
W 124 D 30
Type:
124.130
Production period:
03.1984 / 01.1985 - 08.1989
Note on production period:
production start-up pre-production series / standard production - end of production

Combustion principle:
four-stroke Diesel (with indirect injection)
Configuration:
front, longitudinal; vertical
Engine type:
OM 603 D 30 / 603.912
Number of cylinders / arrangement:
6 / in-line; 15° inclination to the right
Bore x Stroke:
87.0 x 84.0 mm
Total displacement:
2996 cc (tax classification: 2975 cc)
Compression ratio:
22.0
Rated output:
109 hp / 80 kW at 4600 rpm; from 02.1989: 113 hp / 83 kW at 4600 rpm
Rated torque:
185 Nm at 2800 rpm; from 02.1989: 191 Nm at 2800 - 3050 rpm
Number of valves / arrangement:
1 intake, 1 exhaust / overhead
Valve operation:
1 overhead camshaft
Camshaft drive:
double roller chain
Fuel system:
indirect injection, mechanically controlled; Bosch 6-plunger injection pump
Fuel tank: position / capacity:
above the rear axle / 70 l

Frame design:
steel unit body
Front-wheel suspension:
A-arm / shock-absorber strut
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 absorber struts / gas-pressure shock absorbers
Steering:
recirculating-ball power steering
Brake system (foot brake):
hydraulic dual-circuit brake system with vacuum booster, antilock system optional (from 09.1988 as standard); four-wheel disc brakes
Parking brake (hand brake):
mechanical (foot-operated), acting on rear wheels
Wheels:
sheet-steel wheels (light-alloy wheels optional)
Wheel rims:
6 1/2 J x 15 H 2
Tires:
195/65 R 15 91 T
Driven wheels:
rear wheels
Drivetrain:
divided cardan shaft

Wheelbase:
2800 mm
Front / rear track:
1497 / 1488 mm
Length:
4740 mm
Width:
1740 mm
Height:
1446 mm; from 11.1988: 1430 mm
Kerb weight:
1370 kg; from 12.1986: 1390 kg; from 12.1988: 1410 kg
by Guideline:
DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
Gross weight:
1890 kg; from 12.1986: 1910 kg; from 12.1988: 1930 kg