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Mercedes-Benz 450 SL

(1973 model)

Brief specs of 1973 Mercedes-Benz 450 SL

2-door 2-seater drophead coupé (convertible coupé), petrol (gasoline) 8-cylinder 16-valve V engine, SOHC (single overhead camshaft), 4520 cm3 / 275.8 cu in / 275.8 cu in, 161.8 kW / 217.0 hp / 217.0 hp @ 5000 rpm / 5000 rpm / 5000 rpm, 359.0 N·m / 264.8 lb·ft / 264.8 lb·ft @ 3250 rpm / 3250 rpm / 3250 rpm, automatic 3-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)Mercedes-BenzIssued from1973
Model450 SLIssued until
Serie450Number made
Model familyBody construction
Model codeBody designation
ManufacturerMercedes-BenzCountryDE

Bodywork

Base platformNumber of doors2
Bodywork typedrophead coupé (convertible coupé)Number of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4389 mm / 172.8 in / 172.8 inTotal (curb) weight1580 kg / 3483 lb / 3483 lb
Width1791 mm / 70.5 in / 70.5 inDry weight
Height1300 mm / 51.2 in / 51.2 inLoad capacity
Wheelbase2456 mm / 96.7 in / 96.7 inGross (max.) weight
Track front1453 mm / 57.2 in / 57.2 inTowing weight
Track rear1440 mm / 56.7 in / 56.7 inWeight distribution (front)
Ground clearanceFuel capacity90 l / 19.8 UK gal / 23.8 US gal
Length/wheelbase ratio1.79  

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 cylinders8
Engine TypeV engine Total number of valves16
Engine ManufacturerMercedes-BenzValves per cylinder2
Engine constructionBore92.0 mm / 3.62 in / 3.62 in
Fuelpetrol (gasoline)Stroke85.0 mm / 3.35 in / 3.35 in
Fuel detailsBore/Stroke ratio1.08
Fuel supplyBo fuel inj.Engine displacement4520 cm3 / 275.8 cu in / 275.8 cu in
Engine Main bearingsUnitary capacity565.00 cm3/cylinder / 34.478 cu in/cylinder / 34.478 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio8.8 : 1
SumpMax. output power161.8 kW / 217.0 hp / 217.0 hp at 5000 rpm / 5000 rpm / 5000 rpm
AspirationnaturalMax. torque359.0 N·m / 264.8 lb·ft / 264.8 lb·ft at 3250 rpm / 3250 rpm / 3250 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)64.7 kW / 86.8 hp / 86.8 hp (est.)
CoolantwaterSpecific output35.8 kW/l / 0.787 bhp/cu in / 0.787 bhp/cu in
Catalytic converternoSpecific torque79.4 N·m/l / 0.69 lb·ft/cu in / 0.69 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.07

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio137.3 kW/ton / 104.1 bhp/ton / 104.1 bhp/ton
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
Steeringrecirculating ball PASSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Wishbone (A-arm, control arm), Coil springsSuspension rearIndependent, Semi-trailing arm, Coil springs
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontdiscBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Mercedes-Benz 450 SL

Infobox

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