Mercedes-Benz SL (R232) AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G 2021

Key specs

Mercedes-Benz SL (Roadster) SL (R232) 2021,2022,2023,2024

What is the body type, Mercedes-Benz SL (R232) AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G 2021?

Roadster, 2 Doors, 4 Seats

How much power, Mercedes-Benz SL (R232) AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G 2021?

476 Hp @ 5500-6500 rpm.
119.5 Hp/l

How fast is the car, Mercedes-Benz SL (R232) AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G 2021?

295 km/h 183.3 mph

What is the engine size, Mercedes-Benz SL (R232) AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G 2021?

3982 cm3
243 cu. in.

How many cylinders, Mercedes-Benz SL (R232) AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G 2021?

8, V-engine

What is the drivetrain, Mercedes-Benz SL (R232) AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G 2021?

All wheel drive (4x4),

How long is this vehicle, Mercedes-Benz SL (R232) AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G 2021?

4705 mm
185.24 in.

How wide is the vehicle, Mercedes-Benz SL (R232) AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G 2021?

1915 mm
75.39 in.

What is the curb weight, Mercedes-Benz SL (R232) AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G 2021?

1875 kg
4133.67 lbs.

Mercedes-Benz SL (Roadster) SL (R232) 2021,2022,2023,2024 Specs

General information

Brand Mercedes-Benz
Model SL (Roadster)
Version SL (R232)
Engine version AMG SL 55 V8 (476 Hp) 4MATIC+ AMG SPEEDSHIFT MCT 9G
Year production start 2021
Vehicle type Roadster
Horsepower RPM 476 Hp @ 5500-6500 rpm.
Acceleration 0 - 100 kmh sec 3.9 sec
Curb weight kg -lbs total

1875 kg

4133.67 lbs.
Overall length mm - inch

4705 mm

185.24 in.
Doors 2
Top Speed 295 km/h 183.3 mph

Engine specs

Designation model M 177
Cam configuration DOHC
Engine position and orientation Front, Longitudinal
Cylinders 8
Position of cylinders V-engine
Displacement (liters)

3982 cm3

243 cu. in.
Eng. horsepower RPM 476 Hp @ 5500-6500 rpm.
Horsepower per litre 119.5 Hp/l
Weight / horsepower kg/hp - hp/tons

3.9 kg/Hp

253.9 Hp/tonne
Weight / torque kg/Nm - Nm/tons 2.7 kg/Nm, 373.3 Nm/tonne

2.7 kg/Nm

373.3 Nm/tonne
Torque Nm RPM lb-ft RPM

700 Nm @ 2250-4500 rpm.

516.29 lb.-ft. @ 2250-4500 rpm.
Bore (mm in)

83 mm

3.27 in.
Stroke (mm in)

92 mm

3.62 in.
Compression ratio 8.6
Fuel delivery system Direct injection
Fuel type Petrol (Gasoline)
Valvetrain 4
Engine aspiration BiTurbo, Intercooler
Engine coolant

12.3 l

13 US qt | 10.82 UK qt
Powertrain architecture Internal Combustion engine
Engine location Front, Longitudinal

Transmission and Drive system

Drive configuration All wheel drive (4x4)

Brakes

Front brakes Ventilated discs, 390 mm
Rear brakes Ventilated discs, 360 mm
Anti-lock brake system ABS (Anti-lock braking system)

Steering

Steering type Steering rack and pinion
Turning diameter m - ft

12.84 m

42.13 ft.

Suspension

Front suspension Coil spring, Double wishbone
Rear suspension Helical spring, Double wishbone

Body / Chassis

Wheels & Tyres

Wheels size Front wheel tires: 255/45 R19
Wheels rims Front wheel rims: 9.5J x 19

Exterior

Interior

Safety and Security

Passenger

Passengers seats 4
Trunk space min liter | cu. Ft.

213 l

7.52 cu. ft.
Trunk space max liter | cu. Ft.

240 l

8.48 cu. ft.

Dimensions

Overall length mm - inch

4705 mm

185.24 in.
Overall width mm -inch

1915 mm

75.39 in.
Overall height mm -inch

1359 mm

53.5 in.
Wheelbase mm - inch

2700 mm

106.3 in.
Track width front mm - inch

1665 mm

65.55 in.
Track width rear mm - inch

1629 mm

64.13 in.
Coefficient of drag 0.31

Weights

Curb weight kg -lbs total

1875 kg

4133.67 lbs.
Fuel tank liters | gallons

70 l

18.49 US gal | 15.4 UK gal

Fuel economy

Combined fuel consumption (WLTP) 11.8-12.7 l/100 km 19.93 - 18.52 US mpg

Engine type

8 CYLINDER V-Engine
It's an engine with eight cylinder piston where the cylinders share a common crankshaft and are arranged in a V configuration.

What is the 8 cylinder V-engine displacement: it is in a range between 2926 cc and 8135 cc in recent model line up powertrain.

How much is the power of the 8 cylinder V-engine: the power of the 8 cylinder V-engine is in a range from 125 bhp to 1160 bhp.

Which cars use 8 cylinder V-engine: in recent years several manufactures have been used the V8 engine for 3 main applications: premium, sport cars and lightweight trucks. 8 V engine is the American preferred engine for iconic giant pick-up.

What is the eight cylinder V angle: the majority of V8 engines use a V-angle of 90 degrees. This angle results in good engine balance and low vibrations. The downside is a larger powertrain body that makes the use of this configuration suitable only for longitudinal position and rear drive wheels traction.

V8 engines with a 60 degree V-angle were used in the 1996-1999 by Ford and in 2005-2011 by Volvo. The Ford engine used a 60 degree V-angle because it was based on a V6 engine with a 60 degree V-angle. Both the Ford and Volvo engines were used in transverse engine chassis, which were designed for a front-wheel-drive layout. To reduce the vibrations caused by the unbalanced 60 degree V-angle, Volvo's used a balance shaft and offset split crankpins.

The Rolls-Royce Meteorite tank engine also used a 60 degree V-angle, since it was derived from the 60 degree V12 Rolls-Royce Meteor which in turn was based on the famous Rolls-Royce Merlin V12 engine.

Most V8 engines fitted to road cars use a cross-plane crankshaft, since this configuration produces less vibration due to the perfect primary balance and secondary balance.

The rumbling exhaust sound produced by a typical cross-plane V8 engine is partly due to the uneven firing order within each of the two banks of four cylinders and with separate exhaust systems for each bank of cylinders, this uneven pulsing creates the legendary rumbling sound that is typically of V8 engines.

edited by arrabbiata

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