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SL-Class R129 specs

Mercedes-Benz SL-Class R129 73 AMG Roadster

386 kW525 PS518 hp750 Nm1997–2001

petrol · Roadster · engine M120

Read the full story of the Mercedes-Benz SL-Class R129

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Mercedes-Benz SL-Class R129
Photo: Spanish Coches / Wikimedia Commons, CC BY 2.0
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

    0 m1 m2 m3 m4 m5 m1 m0 ft1 ft2 ft3 ft4 ft5 ft6 ft7 ft8 ft9 ft10 ft11 ft12 ft13 ft14 ft15 ft16 ft17 ft18 ft19 ft1 ft2 ft3 ft4 ftLength 4,499 mmLength 14 ft 9 in1,300 mm4 ft 3 inWheelbase 2,515 mmWheelbase 8 ft 3 inWidth 1,809 mmWidth 5 ft 11 in

    grid 500 mm1 ft Side view: dashed lines mark the axles

    Engine

    Engine codeM120
    FuelPetrol
    Displacement7,291 cm³ 7.3 l · 445 cu in
    Cylinders12
    Power386 kW 525 PS · 518 hp
    Torque750 Nm 553 lb-ft
    DriveRear-wheel drive

    Production

    Body typeRoadster
    Years1997–2001
    GenerationSL-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

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