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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

Beyond basic auto insurance

In addition to having enough liability protection, there are some other coverages you should consider:

Collision: Pays for damage to your car resulting from a collision with another car, an object or as a result of flipping over. It also covers damage caused by potholes. Even if you are at fault for the accident, your collision coverage will reimburse you for the costs of repairing your car, minus the deductible. If you are not at fault, your insurance company may try to recover the amount they paid out from the other driver’s insurance company though a process called subrogation. If the company is successful, you will be reimbursed for the deductible.

Comprehensive: Reimburses you for loss due to theft or damage caused by something other than a collision with another car or object, such as fire, falling objects, missiles, explosion, earthquake, windstorm, hail, flood, vandalism, riot, or contact with animals such as birds or deer. Comprehensive insurance will also reimburse you if your windshield is cracked or shattered; some companies may waive the deductible on the glass portion of this coverage.

Uninsured and Underinsured Motorist Coverage: Reimburses you, a member of your family, or a designated driver if one of you is hit by an uninsured or hit-and-run driver. Underinsured motorist coverage comes into play when an at-fault driver has insufficient insurance to pay for your total loss. These coverages are required in 19 states, but available in all. It is important to purchase the same amount of coverage for uninsured/underinsured motorists as you have for liability to others.

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