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Mercedes-Benz W123 Coupe

(1977 model)

Brief specs of 1977 Mercedes-Benz W123 Coupe

coupé, petrol (gasoline) 4-cylinder straight (inline) engine, 2307 cm3 / 140.8 cu in / 140.8 cu in, manual 4-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)Mercedes-BenzIssued from1977
ModelW123 CoupeIssued until
SerieW123Number made
Model familyBody construction
Model codeBody designation


Base platformNumber of doors
Bodywork typecoupéNumber of seats
Bodywork designerCargo capacity (volume)
Passenger space (volume)4840 l / 170.92 cu ft / 170.92 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4650 mm / 183.1 in / 183.1 inTotal (curb) weight1350 kg / 2976 lb / 2976 lb
Width1790 mm / 70.5 in / 70.5 inDry weight
Height1400 mm / 55.1 in / 55.1 inLoad capacity
Wheelbase2720 mm / 107.1 in / 107.1 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearanceFuel capacity
Length/wheelbase ratio1.71  


Drag coefficient (Cd, Cx, Cw)0.4Frontal area (A)2.13 m2 / 22.9 sq ft / 22.9 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.85 m2 / 9.2 sq ft / 9.2 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)21.2 kW / 28.4 hp / 28.4 hp (est.)


Engine CodeTotal number of cylinders4
Engine Typestraight (inline) (Inline, 4 cylinder)Total number of valves
Engine ManufacturerValves per cylinder
Engine constructionBore
Fuelpetrol (gasoline)Stroke
Fuel detailsBore/Stroke ratio
Fuel supplyCarburettorEngine displacement2307 cm3 / 140.8 cu in / 140.8 cu in
Engine Main bearingsUnitary capacity
Cam DesignCompression ratio
SumpMax. output power at
AspirationnaturalMax. torque at
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)
CoolantSpecific output
Catalytic converterSpecific torque


Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio


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


Engine locationEngine alignment
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front175/80-R14Tyres rear175/80-R14
Brakes frontdiscBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Mercedes-Benz W123 Coupe


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