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Mercedes-Benz W140 S 420 L

(1991 model)

Brief specs of 1991 Mercedes-Benz W140 S 420 L

4-door 5-seater sedan (saloon), petrol (gasoline) 8-cylinder 32-valve V engine, DOHC (double overhead camshafts, twin cam), 4196 cm3 / 256.1 cu in / 256.1 cu in, 205.0 kW / 274.9 hp / 274.9 hp @ 5700 rpm / 5700 rpm / 5700 rpm, 400.0 N·m / 295.0 lb·ft / 295.0 lb·ft @ 3900 rpm / 3900 rpm / 3900 rpm

units: metric UK US

Basic (general) data

Marque (make)Mercedes-BenzIssued from1991
ModelW140 S 420 LIssued until1998
SerieS classNumber made
Model familyBody construction
Model codeBody designation
ManufacturerMercedes-BenzCountryDE

Bodywork

Base platformW140Number of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length5213 mm / 205.2 in / 205.2 inTotal (curb) weight2000 kg / 4409 lb / 4409 lb
Width1886 mm / 74.3 in / 74.3 inDry weight
Height1485 mm / 58.5 in / 58.5 inLoad capacity
Wheelbase3140 mm / 123.6 in / 123.6 inGross (max.) weight
Track front1606 mm / 63.2 in / 63.2 inTowing weight
Track rear1579 mm / 62.2 in / 62.2 inWeight distribution (front)
Ground clearance150 mm / 5.9 in / 5.9 inFuel capacity
Length/wheelbase ratio1.6601910828025  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.38 m2 / 25.6 sq ft / 25.6 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 valves32
Engine ManufacturerValves per cylinder4
Engine constructionBore92.0 mm / 3.62 in / 3.62 in
Fuelpetrol (gasoline)Stroke78.9 mm / 3.11 in / 3.11 in
Fuel detailsBore/Stroke ratio1.1660329531052
Fuel supplyMultipoint InjectionEngine displacement4196 cm3 / 256.1 cu in / 256.1 cu in
Engine Main bearingsUnitary capacity524.50 cm3/cylinder / 32.007 cu in/cylinder / 32.007 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio11.0 : 1
SumpMax. output power205.0 kW / 274.9 hp / 274.9 hp at 5700 rpm / 5700 rpm / 5700 rpm
AspirationMax. torque400.0 N·m / 295.0 lb·ft / 295.0 lb·ft at 3900 rpm / 3900 rpm / 3900 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)82.0 kW / 110.0 hp / 110.0 hp (est.)
CoolantSpecific output48.9 kW/l / 1.074 bhp/cu in / 1.074 bhp/cu in
Catalytic converterSpecific torque95.3 N·m/l / 0.83 lb·ft/cu in / 0.83 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 frontWheels rear
Tyres front235/60 R16Tyres rear235/60 R16
Brakes frontventilated discBrakes rearventilated disc
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Mercedes-Benz W140 S 420 L

Infobox

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