| |
|
SL Roadsters~of the series 107
Mercedes-Benz type 420 SL |
| Type |
420 SL |
| Name |
420 SL |
| Name |
Mercedes-Benz type 420 SL |
| Short name |
420 SL |
| Model |
R 107 E 42 |
| Production |
07.85/11.85 - 08.89 |
| Number produced |
2.148 |
| Comments concerning the production period |
begin of production - pre-production batch / main production - end of production |
| Prices |
09.85: 80.826,00 DM
12.85: 82.308,00 DM
09.86: 84.702,00 DM
06.87: 87.153,00 DM
02.88: 89.262,00 DM
09.88: 89.604,00 DM
02.89: 91.827,00 DM
(prices with coup top and roadster top) |
| Wheelbase |
2455 mm |
| Track rear/front |
1465/1466 mm |
| Length |
4390 mm |
| Width |
1790 mm |
| Height |
1307 mm (with cabriolet top closed) |
| Smallest turning circle |
10,6 m |
| Chassis weight |
| Max. total weight |
2020 kg |
| Max. front axle weight |
955 kg |
| Max. rear axle weight |
1065 kg |
| Max. load |
420 kg (with hardtop 380 kg) |
| Max. trailer weight braked |
1500 kg |
| Max. trailer weight unbraked |
750 kg |
| Weight empty |
1600 kg (with hardtop 1640 kg) |
| According to guideline |
DIN 70020 (with fuel, spare wheel and tool equipment) |
| Operating method |
four-stroke Otto (with manifold-injection; emission control device with three-way catalyst since 09.86 standard) |
| Configuration |
front, parallel; upright |
| Type |
M 116 E 42 / 116.964 |
| No. of cylinder/configuration |
8 / 90ř-V-form; light-alloy block |
| Bore x stroke |
92,0 x 78,9 mm |
| Total displacement |
4196 ccm (tax classification: 4146 ccm) |
| Compression ratio |
9,0 |
| Crankshaft bearing |
5 |
| Output |
218 hp / 160 kW (with catalyst 204 hp / 150 kW) at 5200 /min |
| Maximum torque |
33,0 mkg at 3750 /min (with catalyst 31,0 mkg at 3600 /min) |
| No. of valves/configuration |
1 intake, 1 exhaust / overhead |
| Valve operation |
1 top camshaft per cylinder line |
| Camshaft drive |
duplex roller-type chain |
| Mixture formation |
manifold-injection, mechano-electronically controlled~(Bosch KE-Jetronic) |
| Cooling |
water cooling / pump; 12,5 l water |
| Lubrication |
pressure circulation lubrication / 8 l oil |
| Electric system |
12 V |
| Battery |
66 Ah / in the engine compartment |
| Dynamo |
three-phase AC / 980 W |
| Starter motor |
electrical / 2,0 PS |
| Ignition |
electronic ignition system |
| Fuel tank |
above the rear axle / 85 l |
| Fuel supply |
electric supply pump |
| Driven whells |
rear wheels |
| Power transmission |
divided cardan shaft |
| Frame desing |
self-supporting all-steel body |
| Wheel suspension front |
double wishbone |
| Wheel suspension rear |
twist beam axle (diagonal-swing axle with starting- and braking-torque compensation) |
| Suspension front |
coil springs, suppl. rubber suspension, torsion bar type stabilizer |
| Suspension rear |
coil springs, suppl. rubber suspension, torsion bar type stabilizer |
| Damper |
hydraulic telescopic damper |
| Steering |
ball-and-nut power steering |
| Steering transm ratio |
15,19:1 / 3 steering wheel turns |
| Breaking system |
braking system |
| Breaking system |
hydraulic dual-circuit braking system with vacuum-operated brake servo unit and antilock device;~disc brakes front (internally ventilated) and rear |
| Parking breake |
parking brake |
| Parking breake |
mechanical (foot-operated), effective on rear wheels |
| Diamatre |
brake discs front / rear: 278 / 279 mm |
| Wheels |
light-alloy disc wheels |
| Wheels rims |
7 J x 15 H 2 |
| Tyres |
205/65 VR 15 |