Technical data of Mercedes-Benz 300 SL
Model code R129, in production 1989 - 1993 and 12,020 cars produced
Engine |
|
| Engine | Six cylinders, one overhead camshaft |
| Valve arrangement | 2 valves per cylinder, overhead |
| Swept volume, eff. | 2 960 ccm |
| Rated power as per 80/1269 EEC | 140 kW / 190 DIN HP at 5700 (rpm/min) |
| Top engine speed | 6300/min |
| Bore/stroke | 88.50 x 80.20 mm |
| Compression ratio | 9.2: 1 |
| Rated torque as per 80/1269 EEC | 260 Nm at 4500/min |
| Mixture formation |
mechan./electronic CIS-E5 closed-loop 3-way catalyst |
| Crankcase oil capacity max/min | 6.5 / 4.5 Liters |
| Total oil capacity when changing oil and filter | 6.8 liters |
| Cooling system | Flat tubular aluminum radiator, plastic fan with fluid coupling |
Electrical system |
|
| Three-phase alternator | 1.4 kW |
| Battery | 12 V 72 Ah |
Power transmission |
|
| Clutch | Single-plate clutch with dual mass flywheel |
| Transmission |
5-speed manual transmission GL 76/27-5 Optional: MB 4-speed torque converter automatic transmission W 4 A 040 |
| Transmission ratios |
3.86-2.18-1.38-1.00-0.8-4.151 (5-speed) 3.87-2.25-1.44-1.00-5.59 (automatic) |
| Rear axle ratio |
3.92 (5-speed) 3.29 (automatic) |
| Body | Integral all-steel body, open, with detachable hardtop |
Chassis |
|
| Front axle | Shock absorber strut independent front suspen- sion with anti-dive control, coil springs on wishbones, gas-filled shock absorbers, negative steering offset, torsion bar stabilizer |
| Rear axle | Multi-link independent rear suspension with anti-squat and anti-lift controls, coil springs, gas-filled shock absorbers, torsion bar stabilizer, level control all round, and electronically controlled damping system (ADS) available as optional extra |
| Brake system |
Hydraulic two-circuit brake system with vacuum brake booster 4-piston fixed caliper disc brakes, ventilated, front 2-piston fixed caliper disc brakes, rear anti-lock braking system (ADS) |
| Steering | MB power steering, 3 steering wheel revolutions from Lock to Lock |
| Tire size | 225/55 R 16 Z |
| Rim size | 8 J x 16 |
Dimensions and weights |
|
| Wheelbase | 2515 mm |
| Track width |
1532 mm front 1521 mm rear |
| Length | 4465 mm |
| Width | 1812 mm |
| Height | 1286 mm (ready for driving with hardtop) |
| Turning circle | 10.75 m |
| Fuel tank capacity | 80 liters |
| Including reserve | approx. 10 liters |
| Curb weight | 1650 kg |
| Gross vehicle weight | 2040 kg |
| Permissible axle loads |
940 kg front 1120 kg rear |
| Permissible trailed load | 1500 kg |
| Power-to-weight ratio |
11.78 kg/kW 8.66 kg/DIN HP |
Test data |
|
| Top speed | 228 km/h (5th speed) |
| Acceleration 0-100 km/h | 9.3 sec |
| 1 km with standing start | 30.1 sec |
Fuel consumption |
|
| Urban cycle | 15.9 (liters/100 km) |
| 90 km/h | 8.5 (liters/100 km) |
| 120 km/h | 10.3 (liters/100 km) |
| According to regulation | 80/1268/EEC |
