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Mercedes-Benz SL 55 AMG

(1998 model)

Brief specs of 1998 Mercedes-Benz SL 55 AMG

2-door 2+2-seater drophead coupé (convertible coupé), petrol (gasoline) 8-cylinder 24-valve V engine, SOHC (single overhead camshaft), 5439 cm3 / 331.9 cu in / 331.9 cu in, 260.2 kW / 348.9 hp / 348.9 hp @ 5500 rpm / 5500 rpm / 5500 rpm, 530.0 N·m / 390.9 lb·ft / 390.9 lb·ft @ 3000 rpm / 3000 rpm / 3000 rpm, automatic 5-speed transmission, rear wheel drive, 250 km/h / 155 mph / 155 mph top speed, consumption 12.8 l/100km / 22.1 mpg-UK / 18.4 mpg-US

units: metric UK US

Basic (general) data

Marque (make)Mercedes-BenzIssued from1998
ModelSL 55 AMGIssued until
SerieSL classNumber made
Model familyR 129Body construction
Model codeR 129 E 55Body designation
ManufacturerMercedes-BenzCountryDE

Bodywork

Base platformNumber of doors2
Bodywork typedrophead coupé (convertible coupé)Number of seats2+2
Bodywork designerCargo capacity (volume)317 l / 11.19 cu ft / 11.19 cu ft
Passenger space (volume)4540 l / 160.33 cu ft / 160.33 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4499 mm / 177.1 in / 177.1 inTotal (curb) weight1820 kg / 4012 lb / 4012 lb
Width1809 mm / 71.2 in / 71.2 inDry weight
Height1290 mm / 50.8 in / 50.8 inLoad capacity
Wheelbase2515 mm / 99.0 in / 99.0 inGross (max.) weight
Track front1535 mm / 60.4 in / 60.4 inTowing weight
Track rear1523 mm / 60.0 in / 60.0 inWeight distribution (front)
Ground clearanceFuel capacity80 l / 17.6 UK gal / 21.1 US gal
Length/wheelbase ratio1.79  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.32Frontal area (A)2.00 m2 / 21.5 sq ft / 21.5 sq ft
Aerodynamic coefficient (Cd×A)0.64 m2 / 6.9 sq ft / 6.9 sq ftAerodynamic resistance (Aero horse power) at 100 km/h (62 mph)15.9 kW / 21.3 hp / 21.3 hp

Engine

Engine CodeM 113 E 55 / 113.985Total number of cylinders8
Engine TypeV engine (V8)Total number of valves24
Engine ManufacturerMercedes-BenzValves per cylinder3
Engine constructionBore97.0 mm / 3.82 in / 3.82 in
Fuelpetrol (gasoline)Stroke92.0 mm / 3.62 in / 3.62 in
Fuel detailsBore/Stroke ratio1.05
Fuel supplyBo HFM fuel inj.Engine displacement5439 cm3 / 331.9 cu in / 331.9 cu in
Engine Main bearings5Unitary capacity679.88 cm3/cylinder / 41.489 cu in/cylinder / 41.489 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio10.5 : 1
SumpwetMax. output power260.2 kW / 348.9 hp / 348.9 hp at 5500 rpm / 5500 rpm / 5500 rpm
AspirationnaturalMax. torque530.0 N·m / 390.9 lb·ft / 390.9 lb·ft at 3000 rpm / 3000 rpm / 3000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)128.2 kW / 171.9 hp / 171.9 hp (est.)
CoolantwaterSpecific output47.8 kW/l / 1.051 bhp/cu in / 1.051 bhp/cu in
Catalytic converteryesSpecific torque97.4 N·m/l / 0.85 lb·ft/cu in / 0.85 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio0.83
  Final gear (drive) ratio2.82

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed250 km/h / 155 mph / 155 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio191.8 kW/ton / 145.3 bhp/ton / 145.3 bhp/ton
Acceleration 0-100 km/h5.90 s / 5.90 s / 5.90 sFuel consumption, City (urban)18.5 l/100km / 15.3 mpg-UK / 12.7 mpg-US
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)9.6 l/100km / 29.4 mpg-UK / 24.5 mpg-US
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)12.8 l/100km / 22.1 mpg-UK / 18.4 mpg-US
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions300 g/km / 482 g/mi / 482 g/mi (est.)
  Range625 km / 388 mi / 388 mi

Chassis

Engine locationfrontEngine alignmentlongitudinal
Steeringrecirculating ball PASSteering details
Turns lock-to-lock3Turning circle11.3 m / 37.1 ft / 37.1 ft
Suspension frontIndependent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Multi-link, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels front8.5J x 18 H 2Wheels rear9.5J x 18 H 2
Tyres front245/40 ZR 18Tyres rear275/35 ZR 18
Brakes frontventilated discBrakes rearventilated disc
Brake diameter front334 mm / 13.1 in / 13.1 inBrake diameter rear300 mm / 11.8 in / 11.8 in
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of Mercedes-Benz SL 55 AMG

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