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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, 167.8 kW / 225.0 hp / 225.0 hp @ 5000 rpm / 5000 rpm / 5000 rpm, 378.0 N·m / 278.8 lb·ft / 278.8 lb·ft @ 3000 rpm / 3000 rpm / 3000 rpm, automatic 3-speed transmission, rear wheel drive, 217 km/h / 135 mph / 135 mph top speed

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

Length4369 mm / 172.0 in / 172.0 inTotal (curb) weight1585 kg / 3494 lb / 3494 lb
Width1791 mm / 70.5 in / 70.5 inDry weight
Height1346 mm / 53.0 in / 53.0 inLoad capacity
Wheelbase2464 mm / 97.0 in / 97.0 inGross (max.) weight
Track front1448 mm / 57.0 in / 57.0 inTowing weight
Track rear1441 mm / 56.7 in / 56.7 inWeight distribution (front)
Ground clearance140 mm / 5.5 in / 5.5 inFuel capacity90 l / 19.8 UK gal / 23.8 US gal
Length/wheelbase ratio1.77  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.05 m2 / 22.1 sq ft / 22.1 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 KA-Jet fuel inj.Engine displacement4520 cm3 / 275.8 cu in / 275.8 cu in
Engine Main bearings5Unitary 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 power167.8 kW / 225.0 hp / 225.0 hp at 5000 rpm / 5000 rpm / 5000 rpm
AspirationnaturalMax. torque378.0 N·m / 278.8 lb·ft / 278.8 lb·ft at 3000 rpm / 3000 rpm / 3000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)71.5 kW / 95.9 hp / 95.9 hp (est.)
CoolantwaterSpecific output37.1 kW/l / 0.816 bhp/cu in / 0.816 bhp/cu in
Catalytic converternoSpecific torque83.6 N·m/l / 0.73 lb·ft/cu in / 0.73 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) speed217 km/h / 135 mph / 135 mph
Acceleration 0-60 mph (97 km/h)7.90 s / 7.90 s / 7.90 sPower-to-weight ratio142.0 kW/ton / 107.6 bhp/ton / 107.6 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
SteeringRB 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 detailsservo-assistedBraked area

Technical specifications and performance data of Mercedes-Benz 450 SL

Infobox

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