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SL Roadsters~of the series 107
Mercedes-Benz type 280 SL |
| Type |
280 SL |
| Name |
280 SL |
| Name |
Mercedes-Benz type 280 SL |
| Short name |
280 SL |
| Model |
R 107 E 28 |
| Production |
05.74/08.74 - 08.85 |
| Number produced |
25.436 |
| Comments concerning the production period |
begin of production - pre-production batch / main production - end of production |
| Prices |
06.74: 32.445,30 DM
02.75: 34.332,20 DM
02.77: 35.619,90 DM
01.78: 35.940,80 DM
04.78: 37.150,40 DM
12.78: 37.912,00 DM
01.07.79: 38.250,50 DM
16.07.79: 38.996,30 DM
06.80: 44.522,00 DM
08.80: 45.358,20 DM
07.81: 46.917,60 DM
09.81: 48.567,40 DM
01.82: 49.900,80 DM
07.82: 51.471,50 DM
09.82: 51.867,00 DM
07.83: 52.326,00 DM
08.83: 54.001,80 DM
01.84: 55.404,00 DM
09.84: 57.000,00 DM
04.85: 58.995,00 DM
(prices before 03.80 without coup top, with roadster top) |
| Wheelbase |
2460 mm |
| Track rear/front |
1452/1440 mm |
| Length |
4390 mm |
| Width |
1790 mm |
| Height |
1300 mm (with cabriolet top closed) |
| Smallest turning circle |
10,34 m |
| Chassis weight |
| Max. total weight |
1920 kg |
| Max. front axle weight |
940 kg |
| Max. rear axle weight |
980 kg |
| Max. load |
420 kg (with hardtop 380 kg) |
| Max. trailer weight braked |
1200 kg; since 1980: 1500 kg |
| Max. trailer weight unbraked |
750 kg |
| Weight empty |
1500 kg (with hardtop 1540 kg) |
| According to guideline |
DIN 70020 (with fuel, spare wheel and tool equipment) |
| Operating method |
four-stroke Otto (with manifold-injection) |
| Configuration |
front, parallel; upright |
| Type |
M 110 E 28 / 110.982, since 02.76: 110.986 |
| No. of cylinder/configuration |
6 / in line |
| Bore x stroke |
86 x 78,8 mm |
| Total displacement |
2746 ccm (tax classification: 2717 ccm) |
| Compression ratio |
9,0; since 02.76: 8,7; since 04.78: 9,0 |
| Crankshaft bearing |
7 |
| Output |
185 hp / 136 kW at 6000 /min;~since 02.76: 177 hp / 130 kW at 6000 /min;~since 04.78: 185 hp / 136 kW at 5800 /min |
| Maximum torque |
24,3 mkg at 4500 /min; since 02.76: 23,8 mkg at 4500 /min;since 04.78: 24,5 mkg at 4500 /min |
| No. of valves/configuration |
1 intake, 1 exhaust / V-shaped overhead |
| Valve operation |
2 top camshafts |
| Camshaft drive |
duplex roller-type chain |
| Mixture formation |
manifold-injection, electronically controlled (Bosch D-Jetronic);~since 02.76 mechanically controlled (Bosch K-Jetronic) |
| Cooling |
water cooling / pump; 12 l water |
| Lubrication |
pressure circulation lubrication / 6 l oil |
| Electric system |
12 V |
| Battery |
55 Ah / in the engine compartment |
| Dynamo |
three-phase AC / 770 W; since 03.80: 910 W |
| Starter motor |
electrical / 1,4 PS, since 12.77: 2,0 PS |
| Ignition |
transistor ignition |
| Fuel tank |
above the rear axle / 90 l, since 10.81: 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 |
diagonal-swing axle |
| 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 |
15,59:1 / 3,3 steering wheel turns |
| Breaking system |
braking system |
| Breaking system |
hydraulic dual-circuit braking system with vacuum-operated brake servo unit, since 03.80 on demand with 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 |
sheet steel-disc wheels, on demand light-alloy disc wheels |
| Wheels rims |
6 1/2 J x 14 H 2 |
| Tyres |
185 HR 14; since 03.80: 195/70 HR 14 89 H |
Skrzynie biegów tego modelu (gearbox and performance):
SL Roadsters~of the series 107
Mercedes-Benz type 280 SL |
| Gearbox |
4-speed gear shift |
| Availability |
Series (until 04.77) |
| Shifting |
Feed control |
| Clutch |
Single-plate dry clutch |
| Type of gearbox |
Pinion change gear |
| Synchromesh gears |
I - IV |
| Gear transmission |
I. 3,90; II. 2,30; III. 1,41; IV. 1,0; R. 3,66 |
| Differential ratio |
3,69 |
| Maximum speed |
205 km/h; from 02.76: 200 km/h |
| Accelerations |
10,1 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
12,5 l |
| acc. to guideline |
DIN 70030, ascertained at 3/4 of max. speed,
maximal 110 km/h, unter Zuschlag von 10 % |
SL Roadsters~of the series 107
Mercedes-Benz type 280 SL |
| Gearbox |
4-speed gear shift |
| Availability |
Series (05.77 - 09.81) |
| Shifting |
Feed control |
| Clutch |
Single-plate dry clutch |
| Type of gearbox |
Pinion change gear |
| Synchromesh gears |
I - IV |
| Gear transmission |
I. 3,98; II. 2,29; III. 1,45; IV. 1,0; R. 3,74 |
| Differential ratio |
3,69; from 03.80: 3,58 |
| Maximum speed |
205 km/h; from 02.76: 200 km/h |
| Accelerations |
10,1 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
12,5 l |
| acc. to guideline |
DIN 70030, ascertained at 3/4 of max. speed,
maximal 110 km/h, unter Zuschlag von 10 % |
SL Roadsters~of the series 107
Mercedes-Benz type 280 SL |
| Gearbox |
5-speed gear shift |
| Availability |
Series (from 10.81) |
| Shifting |
Feed control |
| Clutch |
Single-plate dry clutch |
| Type of gearbox |
Pinion change gear |
| Synchromesh gears |
I - V |
| Gear transmission |
I. 3,82; II. 2,20; III. 1,40; IV. 1,0; V. 0,81; R. 3,71 |
| Differential ratio |
3,58 |
| Maximum speed |
192 km/h |
| Accelerations |
10,1 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
8,5/10,5/15,2 l |
| acc. to guideline |
80/1268/EWG; values for 90 km/h / 120 km/h / city cycle |
SL Roadsters~of the series 107
Mercedes-Benz type 280 SL |
| Gearbox |
5-speed gear shift |
| Availability |
by request (until 06.76) |
| Shifting |
Feed control |
| Clutch |
Single-plate dry clutch |
| Type of gearbox |
Pinion change gear |
| Synchromesh gears |
I - V |
| Gear transmission |
I. 3,96; II. 2,34; III. 1,44; IV. 1,0; V. 0,875; R. 3,72 |
| Differential ratio |
3,92 |
| Maximum speed |
205 km/h; from 02.76: 200 km/h |
| Accelerations |
10,1 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
12,5 l |
| acc. to guideline |
DIN 70030, ascertained at 3/4 of max. speed,
maximal 110 km/h, unter Zuschlag von 10 % |
SL Roadsters~of the series 107
Mercedes-Benz type 280 SL |
| Gearbox |
4-speed autom. gear shift |
| Availability |
by request (until 02.80) |
| Shifting |
Switch lever in car center |
| Clutch |
hydr. torque converter in autom. gear |
| Type of gearbox |
Planet gear |
| Synchromesh gears |
|
| Gear transmission |
I. 3,98; II. 2,39; III. 1,46; IV. 1,0; R. 5,47 |
| Differential ratio |
3,69 |
| Maximum speed |
200 km/h; from 02.76: 195 km/h |
| Accelerations |
11,0 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
12,5 l |
| acc. to guideline |
DIN 70030, ascertained at 3/4 of max. speed,
maximal 110 km/h, unter Zuschlag von 10 % |
SL Roadsters~of the series 107
Mercedes-Benz type 280 SL |
| Gearbox |
4-speed autom. gear shift |
| Availability |
by request (from 03.80) |
| Shifting |
Switch lever in car center |
| Clutch |
hydr. torque converter in autom. gear |
| Type of gearbox |
Planet gear |
| Synchromesh gears |
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| Gear transmission |
I. 3,68; II. 2,41; III. 1,44; IV. 1,0; R. 5,14 |
| Differential ratio |
3,58 |
| Maximum speed |
195 km/h |
| Accelerations |
11,0 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
12,5 l |
| acc. to guideline |
DIN 70030, ascertained at 3/4 of max. speed,
maximal 110 km/h, unter Zuschlag von 10 % |
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