The R107
The Mercedes-Benz R107 and C107 are automobiles which were produced by Mercedes-Benz from 1971 through 1989, being the second longest single series ever produced by the automaker, after the G-Class. They were sold under the SL (R107) and SLC (C107) model names as the 280 SL, 280 SLC, 300 SL, 350SL, 350SLC, 380SL, 420SL, 450SL, 450SLC, 450SLC 5.0, 500SL, 500SLC and 560 SL.
The R107/SL was a two-seat car with a detachable roof. It replaced the W113 SL-Class in 1971 and was replaced by the R129 SL-Class in 1989. It was the only Mercedes roadster during its entire production.
The C107/SLC was a four-seat car with a fixed roof and an optional sliding steel sunroof. It replaced the W111 Coupé in 1971 and was replaced by the C126 S-class coupe in 1981.
| Mercedes-Benz | 280 SL/SLC* | 300 SL | 350 SL/SLC** | 380 SL/SLC† | 420 SL | 450 SL/SLC*** | 500 SL/SLC****‡ |
|---|---|---|---|---|---|---|---|
| Produced: | MY 1974–1985 (SL) MY 1974–1981 (SLC) |
MY 1985–1989 | MY 1971–1980 | MY 1980–1985 (SL) MY 1980–1981 (SLC) |
MY 1985–1989 | MY 1973–1980 | MY 1980–1989 (SL) MY 1980–1981 (SLC) |
| Engine: | 6-cylinder-inline engine (four-stroke), front-mounted | 90° 8-cylinder-V engine (four-stroke), front-mounted | |||||
| Bore x Stroke: | 86 mm x 78.8 mm | 88.5 mm x 80.25 mm | 92 mm x 65.8 mm | 92 mm x 71.8 mm | 92 mm x 78.9 mm | 92 mm x 85 mm | 96.5 mm x 85 mm |
| Displacement: | 2746 cc | 2962 cc | 3499 cc | 3818 cc | 4196 cc | 4520 cc | 4973 cc |
| Max. Power @ rpm: | 185 PS (136 kW; 182 hp) @ 6000 | 190 PS (140 kW; 187 hp) @ 5700 | 200 PS (147 kW; 197 hp) @ 5800 | 218 PS (160 kW; 215 hp) @ 5500 | 218 PS (160 kW; 215 hp) @ 5200 | 225 PS (165 kW; 222 hp) @ 5000 | 240 PS (177 kW; 237 hp) @ 5000 |
| Max. Torque @ rpm: | 238 N⋅m (176 lb⋅ft) @ 4500 | 255 N⋅m (188 lb⋅ft) @ 4400 | 286 N⋅m (211 lb⋅ft) @ 4000 | 299 N⋅m (221 lb⋅ft) @ 4000 | 324 N⋅m (239 lb⋅ft) @ 3750 | 377 N⋅m (278 lb⋅ft) @ 3000 | 402 N⋅m (296 lb⋅ft) @ 3200 |
| Compression Ratio: | 9.0: 1 | 9.2: 1 | 9.5: 1 | 9.0: 1 | 9.0: 1 | 8.8: 1 | 9.0: 1 |
| Fuel feed: | Fuel injection, Bosch D-Jetronic (-1976), K-Jetronic (-1980), K-Jetronic with Lambda (-1985) and from 1985 KE-Jetronic | ||||||
| Fuel tank capacity: | 90 L (23.8 US gal; 19.8 imp gal), from 1985: 85 L (22.5 US gal; 18.7 imp gal) | ||||||
| Valvetrain: | DOHC, duplex chain | SOHC, simplex chain | SOHC, duplex chain | ||||
| Cooling: | Water | ||||||
| Gearbox: | 4- or 5-speed manual standard on 380/420/450/500: 3-speed automatic, from 1980: 4-speed automatic rear wheel drive |
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| Electrical system: | 12 volt | ||||||
| Front suspension: | Double wishbones, coil springs, additional rubber springs, stabilising bar | ||||||
| Rear suspension:: | Diagonal swing axle, coil springs, stabilising bar | ||||||
| Brakes: | Disc brakes (Ø 278 mm front, 279 mm rear; from 1985: 284/279 mm), power assisted ABS from 1980 on request or standard |
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| Steering: | Recirculating ball steering | ||||||
| Body structure: | Sheet steel, unibody construction | ||||||
| Dry weight: | SL: 1,560 kg (3,439 lb) SLC: 1,610 kg (3,549 lb) |
1,530 kg (3,373 lb) | SL: 1,600 kg (3,527 lb) SLC: 1,650 kg (3,638 lb) |
SL: 1,640 kg (3,616 lb) SLC: 1,690 kg (3,726 lb) |
1,600 kg (3,527 lb) | SL: 1,640 kg (3,616 lb) SLC: 1,690 kg (3,726 lb) |
SL: 1,600 kg (3,527 lb) SLC: 1,570 kg (3,461 lb) |
| Loaded weight: | SL: 1,920 kg (4,233 lb) SLC: 2,040 kg (4,497 lb) |
1,930 kg (4,255 lb) | SL: 1,960 kg (4,321 lb) SLC: 2,050 kg (4,519 lb) |
SL: 1,960 kg (4,321 lb) SLC: 2,050 kg (4,519 lb) |
2,020 kg (4,453 lb) | SL: 2,015 kg (4,442 lb) SLC: 2,095 kg (4,619 lb) |
SL: 1,960 kg (4,321 lb) SLC: 2,005 kg (4,420 lb) |
| Track front/ rear: |
1,452 mm (57.2 in) 1,440 mm (57 in) from 1985: 1,461 mm (57.5 in) 1,465 mm (57.7 in) |
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| Wheelbase: | SL: 2,460 mm (97 in) SLC: 2,820 mm (111 in) |
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| Length: | SL: 4,390 mm (173 in) SLC: 4,750 mm (187 in) |
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| Width: | 1,790 mm (70 in) | ||||||
| Height: | SL: 1,300 mm (51 in) SLC: 1,330 mm (52 in) |
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| Tire sizes: | 185HR14 | 205/65VR15 | 205/70VR14 | 205/70VR14 | 205/65VR15 | 205/70VR14 | 205/70VR14 |
| Top speed: | 207 km/h (129 mph) | 210 km/h (130 mph) | 212 km/h (132 mph) | 215 km/h (134 mph) | 210 km/h (130 mph) | 218 km/h (135 mph) | 225 km/h (140 mph) |
| Fuel Consumption (estimates): | 15.5 litres per 100 kilometres (18.2 mpg‑imp; 15.2 mpg‑US) | 14.5 litres per 100 kilometres (19.5 mpg‑imp; 16.2 mpg‑US) | 18.5 litres per 100 kilometres (15.3 mpg‑imp; 12.7 mpg‑US) | 18.5 litres per 100 kilometres (15.3 mpg‑imp; 12.7 mpg‑US) | 15.5 litres per 100 kilometres (18.2 mpg‑imp; 15.2 mpg‑US) | 18.5 litres per 100 kilometres (15.3 mpg‑imp; 12.7 mpg‑US) | 18.5 litres per 100 kilometres (15.3 mpg‑imp; 12.7 mpg‑US) |
| Notes: | * in 1976/77 rated at 177 PS (130 kW; 175 hp) @ 6000 ** in 1976/77 rated at 195 PS (143 kW; 192 hp) @ 5500, from 1978 at 205 PS (151 kW; 202 hp) @ 5750 *** from November 1975 (change from D-Jetronic to K-Jetronic) rated at 217 PS (160 kW; 214 hp) @ 5000, from 1978 again at 225 PS (165 kW; 222 hp) @ 5000 **** from November 1981 rated at 231 PS (170 kW; 228 hp) @ 4750, from 1985 at 245 PS (180 kW; 242 hp) @ 4750, catalyst version at 223 PS (164 kW; 220 hp) @ 4700 † from autumn 1981 a different 3.8L engine was used (bore/stroke 88 x 78.9 mm, 204 PS (150 kW; 201 hp) @ 5250); this engine already was in use for North American versions ‡ early versions (1978) of the 450 SLC 5.0 used a slightly larger version of this engine (Type M117): bore/stroke 97 x 85 mm, 5025 cc, 240 PS (180 kW; 240 hp) @ 5000 |
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-Wikipedia