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Mercedes-Benz R129 SL 300

(1989 model)

Brief specs of 1989 Mercedes-Benz R129 SL 300

2-door 2-seater convertible (cabriolet), petrol (gasoline) 6-cylinder straight (inline) engine, 2960 cm3 / 180.6 cu in / 180.6 cu in, 139.0 kW / 186.4 hp / 186.4 hp @ 5700 rpm / 5700 rpm / 5700 rpm, 260.0 N·m / 191.8 lb·ft / 191.8 lb·ft @ 4500 rpm / 4500 rpm / 4500 rpm

units: metric UK US

Basic (general) data

Marque (make)Mercedes-BenzIssued from1989
ModelR129 SL 300Issued until1993
SerieSL classNumber made
Model familyBody construction
Model codeBody designation129.06
ManufacturerMercedes-BenzCountryDE

Bodywork

Base platformR129Number of doors2
Bodywork typeconvertible (cabriolet)Number of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4470 mm / 176.0 in / 176.0 inTotal (curb) weight1820 kg / 4012 lb / 4012 lb
Width1810 mm / 71.3 in / 71.3 inDry weight
Height1285 mm / 50.6 in / 50.6 inLoad capacity
Wheelbase2515 mm / 99.0 in / 99.0 inGross (max.) weight
Track front1535 mm / 60.4 in / 60.4 inTowing weight
Track rear1525 mm / 60.0 in / 60.0 inWeight distribution (front)
Ground clearance150 mm / 5.9 in / 5.9 inFuel capacity
Length/wheelbase ratio1.7773359840954  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.98 m2 / 21.3 sq ft / 21.3 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders6
Engine Typestraight (inline) Total number of valves
Engine ManufacturerValves per cylinder
Engine constructionBore88.5 mm / 3.48 in / 3.48 in
Fuelpetrol (gasoline)Stroke80.2 mm / 3.16 in / 3.16 in
Fuel detailsBore/Stroke ratio1.1034912718204
Fuel supplyMultipoint InjectionEngine displacement2960 cm3 / 180.6 cu in / 180.6 cu in
Engine Main bearingsUnitary capacity493.35 cm3/cylinder / 30.106 cu in/cylinder / 30.106 cu in/cylinder
Cam DesignCompression ratio9.2 : 1
SumpMax. output power139.0 kW / 186.4 hp / 186.4 hp at 5700 rpm / 5700 rpm / 5700 rpm
AspirationMax. torque260.0 N·m / 191.8 lb·ft / 191.8 lb·ft at 4500 rpm / 4500 rpm / 4500 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)55.6 kW / 74.6 hp / 74.6 hp (est.)
CoolantSpecific output47.0 kW/l / 1.032 bhp/cu in / 1.032 bhp/cu in
Catalytic converterSpecific torque87.8 N·m/l / 0.77 lb·ft/cu in / 0.77 lb·ft/cu in

Transmission

Transmission typeNumber of gears
Wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontSuspension rear
Wheels front8JWheels rear8J
Tyres front225/55 R16Tyres rear225/55 R16
Brakes frontventilated discBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Mercedes-Benz R129 SL 300

Infobox

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(...)

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