Mercedes-Benz SL-Class R129 73 AMG Roadster
386 kW525 PS518 hp750 Nm1997–2001
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- Power
- 386 kW 525 PS · 518 hp
- Torque
- 750 Nm 553 lb-ft
- Displacement
- 7,291 cm³
The Mercedes-Benz SL-Class R129 7.3 SL 73 AMG produces 386 kW (525 PS) and 750 Nm of torque from a 7.3-litre twelve-cylinder petrol engine and comes as a roadster. The SL-Class R129 7.3 SL 73 AMG has rear-wheel drive.
It is the most powerful of the 11 versions in the SL-Class R129 range, with 176% more output than the entry 300 SL (140 kW). On top of that, it is the strongest on torque (750 Nm).
SL-Class R129 7.3 SL 73 AMG: measurable strengths
- Most powerful version of the SL-Class R129: 386 kW (525 PS)
- Most torque in the range: 750 Nm
Dimensions drawing
To scale · width without mirrors
Zoom in to read the measurements - or see the table below.
grid 500 mm1 ft Side view: dashed lines mark the axles
Engine
| Engine code | M120 |
|---|---|
| Fuel | Petrol |
| Displacement | 7,291 cm³ 7.3 l · 445 cu in |
| Cylinders | 12 |
| Power | 386 kW 525 PS · 518 hp |
| Torque | 750 Nm 553 lb-ft |
| Drive | Rear-wheel drive |
Production
| Body type | Roadster |
|---|---|
| Years | 1997–2001 |
| Generation | SL-Class R129 (1989–2001) |
Mercedes-Benz M120 engine Compare size All SL-Class R129 versions All Mercedes-Benz spec sheets
Data sources
Data checked by an editor against the sources below.
Data: 9 of 25 fields · 1 source · data changed 20 Oct 2026