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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

Auto Insurance

Defined as: The contract by which the insurer assumes the risk of any loss the owner or operator of a car may incur through damage to property or persons as the result of an accident. There are many specific forms of automobile insurance, varying not only in the kinds of risk that they cover but also in the legal principles underlying them.

In “plain” English, this means coverage that is carried by someone who is driving a motor vehicle that is involved in an accident that causes property damage or personal injury to someone.

Currently, New Hampshire and Wisconsin do not have “compulsory auto insurance liability laws”. Simply put, this means that these states do not require licensed drivers (and there should not be any other kind of driver) to have some type of auto insurance policy that provides at least minimum coverage. The remaining 48 states do have such insurance laws in effect.

You should check with the state you live in if you have questions concerning whether or not you are required to have auto insurance, and also to determine if you are required to have a certain amount of coverage. If you are required to have a certain amount, you will then need to check to see if there is a minimum amount and maximum amount.

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