Mercedes-Benz SL (R129, facelift 1998) AMG SL 55 V8 (354 Hp) Automatic 1999

Key specs

Mercedes-Benz SL (Roadster) SL (R129, facelift 1998) 1999,2000,2001

What is the body type, Mercedes-Benz SL (R129, facelift 1998) AMG SL 55 V8 (354 Hp) Automatic 1999?

Roadster, 2 Doors, 2 Seats

How much power, Mercedes-Benz SL (R129, facelift 1998) AMG SL 55 V8 (354 Hp) Automatic 1999?

354 Hp @ 5500 rpm.
65.1 Hp/l

How fast is the car, Mercedes-Benz SL (R129, facelift 1998) AMG SL 55 V8 (354 Hp) Automatic 1999?

250 km/h, Electronically limited 155.34 mph

What is the engine size, Mercedes-Benz SL (R129, facelift 1998) AMG SL 55 V8 (354 Hp) Automatic 1999?

5439 cm3
331.91 cu. in.

How many cylinders, Mercedes-Benz SL (R129, facelift 1998) AMG SL 55 V8 (354 Hp) Automatic 1999?

8, V-engine

What is the drivetrain, Mercedes-Benz SL (R129, facelift 1998) AMG SL 55 V8 (354 Hp) Automatic 1999?

Rear wheel drive,

How long is this vehicle, Mercedes-Benz SL (R129, facelift 1998) AMG SL 55 V8 (354 Hp) Automatic 1999?

4499 mm
177.13 in.

How wide is the vehicle, Mercedes-Benz SL (R129, facelift 1998) AMG SL 55 V8 (354 Hp) Automatic 1999?

1812 mm
71.34 in.

What is the curb weight, Mercedes-Benz SL (R129, facelift 1998) AMG SL 55 V8 (354 Hp) Automatic 1999?

1815 kg
4001.39 lbs.

Mercedes-Benz SL (Roadster) SL (R129, facelift 1998) 1999,2000,2001 Specs

General information

Brand Mercedes-Benz
Model SL (Roadster)
Version SL (R129, facelift 1998)
Engine version AMG SL 55 V8 (354 Hp) Automatic
Year production start 1999
Year production end 2001
Vehicle type Roadster
Horsepower RPM 354 Hp @ 5500 rpm.
Acceleration 0 - 100 kmh sec 5.9 sec
Curb weight kg -lbs total

1815 kg

4001.39 lbs.
Overall length mm - inch

4499 mm

177.13 in.
Doors 2
Top Speed 250 km/h, Electronically limited 155.34 mph

Engine specs

Designation model M 113 E 55/M 113.985
Cam configuration SOHC
Engine position and orientation Front, Longitudinal
Cylinders 8
Position of cylinders V-engine
Displacement (liters)

5439 cm3

331.91 cu. in.
Eng. horsepower RPM 354 Hp @ 5500 rpm.
Horsepower per litre 65.1 Hp/l
Weight / horsepower kg/hp - hp/tons

5.1 kg/Hp

195 Hp/tonne
Weight / torque kg/Nm - Nm/tons 3.4 kg/Nm, 292 Nm/tonne

3.4 kg/Nm

292 Nm/tonne
Torque Nm RPM lb-ft RPM

530 Nm @ 3000 rpm.

390.91 lb.-ft. @ 3000 rpm.
Bore (mm in)

97 mm

3.82 in.
Stroke (mm in)

92 mm

3.62 in.
Compression ratio 10.5
Fuel delivery system Multi-point indirect injection
Fuel type Petrol (Gasoline)
Valvetrain 3
Engine aspiration Naturally aspirated engine
Emission certification Euro 3
Powertrain architecture Internal Combustion engine
Engine location Front, Longitudinal

Transmission and Drive system

Drive configuration Rear wheel drive

Brakes

Front brakes Ventilated discs
Rear brakes Ventilated discs
Anti-lock brake system ABS (Anti-lock braking system)

Steering

Steering type Cone worm with recirculation balls
Turning diameter m - ft

10.7 m

35.1 ft.

Suspension

Front suspension Coil spring, Wishbone, Transverse stabilizer
Rear suspension Helical spring, Transverse stabilizer, Independent multi-link

Body / Chassis

Wheels & Tyres

Wheels size Front wheel tires: 245/40 ZR 18
Wheels rims Front wheel rims: 8.5 J x 18 H 2

Exterior

Interior

Safety and Security

Passenger

Passengers seats 2
Trunk space min liter | cu. Ft.

265 l

9.36 cu. ft.

Dimensions

Overall length mm - inch

4499 mm

177.13 in.
Overall width mm -inch

1812 mm

71.34 in.
Overall height mm -inch

1300 mm

51.18 in.
Wheelbase mm - inch

2515 mm

99.02 in.
Track width front mm - inch

1553 mm

61.14 in.
Track width rear mm - inch

1545 mm

60.83 in.
Coefficient of drag 0.32-0.40

Weights

Curb weight kg -lbs total

1815 kg

4001.39 lbs.
Gross weight kg -lbs total

2210 kg

4872.22 lbs.
Capacities kg - lbs

395 kg

870.83 lbs.
Fuel tank liters | gallons

80 l

21.13 US gal | 17.6 UK gal

Fuel economy

Urban (NEDC) l/100 km - Mpg

18.5 l/100 km

12.71 US mpg
Extra urban (NEDC) l/100 km - Mpg

9.6 l/100 km

24.5 US mpg
Combined (NEDC) l/100 km - Mpg

12.8 l/100 km

18.38 US mpg
Autonomy km (combined use) NEDC 6666?666667

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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