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Mercedes-Benz S 420 CDI

(2006 model)

Brief specs of 2006 Mercedes-Benz S 420 CDI

4-door 5-seater sedan (saloon), diesel 8-cylinder 32-valve V engine, DOHC (double overhead camshafts, twin cam), 3996 cm3 / 243.9 cu in / 243.9 cu in, 235.6 kW / 315.9 hp / 315.9 hp @ 3600 rpm / 3600 rpm / 3600 rpm, 730.0 N·m / 538.4 lb·ft / 538.4 lb·ft @ 2200 rpm / 2200 rpm / 2200 rpm, automatic 7-speed transmission, rear wheel drive, 250 km/h / 155 mph / 155 mph top speed, consumption 9.4 l/100km / 30.1 mpg-UK / 25.0 mpg-US

units: metric UK US

Basic (general) data

Marque (make)Mercedes-BenzIssued from2006
ModelS 420 CDIIssued until
SerieS classNumber made
Model familyBody construction
Model codeBody designation
ManufacturerMercedes-BenzCountryDE

Bodywork

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

Dimensions & Weight

Length5076 mm / 199.8 in / 199.8 inTotal (curb) weight2090 kg / 4608 lb / 4608 lb
Width1871 mm / 73.7 in / 73.7 inDry weight
Height1473 mm / 58.0 in / 58.0 inLoad capacity
Wheelbase3035 mm / 119.5 in / 119.5 inGross (max.) weight
Track front1604 mm / 63.1 in / 63.1 inTowing weight
Track rear1606 mm / 63.2 in / 63.2 inWeight distribution (front)
Ground clearanceFuel capacity90 l / 19.8 UK gal / 23.8 US gal
Length/wheelbase ratio1.67  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.27Frontal area (A)2.34 m2 / 25.2 sq ft / 25.2 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.63 m2 / 6.8 sq ft / 6.8 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)15.7 kW / 21.1 hp / 21.1 hp (est.)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine Total number of valves32
Engine ManufacturerMercedes-BenzValves per cylinder4
Engine constructionBore86.0 mm / 3.39 in / 3.39 in
FueldieselStroke86.0 mm / 3.39 in / 3.39 in
Fuel detailsBore/Stroke ratio1
Fuel supplycommon rail direct diesel injectionEngine displacement3996 cm3 / 243.9 cu in / 243.9 cu in
Engine Main bearingsUnitary capacity499.50 cm3/cylinder / 30.481 cu in/cylinder / 30.481 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio17.0 : 1
SumpwetMax. output power235.6 kW / 315.9 hp / 315.9 hp at 3600 rpm / 3600 rpm / 3600 rpm
AspirationturbochargedMax. torque730.0 N·m / 538.4 lb·ft / 538.4 lb·ft at 2200 rpm / 2200 rpm / 2200 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)130.8 kW / 175.4 hp / 175.4 hp (est.)
CoolantwaterSpecific output59.0 kW/l / 1.296 bhp/cu in / 1.296 bhp/cu in
Catalytic converteryesSpecific torque182.7 N·m/l / 1.60 lb·ft/cu in / 1.60 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears7
Wheel driverear wheel driveTop gear (drive) ratio0.73
  Final gear (drive) ratio2.65

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed250 km/h / 155 mph / 155 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio151.2 kW/ton / 114.6 bhp/ton / 114.6 bhp/ton
Acceleration 0-100 km/h6.60 s / 6.60 s / 6.60 sFuel consumption, City (urban)13.0 l/100km / 21.7 mpg-UK / 18.1 mpg-US
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)7.2 l/100km / 39.2 mpg-UK / 32.7 mpg-US
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)9.4 l/100km / 30.1 mpg-UK / 25.0 mpg-US
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions247 g/km / 397 g/mi / 397 g/mi
  Range957 km / 595 mi / 595 mi

Chassis

Engine locationfrontEngine alignmentlongitudinal
Steeringrack & pinion VPASSteering details
Turns lock-to-lockTurning circle
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front235/55 R 17Tyres rear235/55 R 17
Brakes frontventilated discBrakes rearventilated disc
Brake diameter frontBrake diameter rear
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of Mercedes-Benz S 420 CDI

Infobox

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