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1977 Mercedes-Benz S123 250 T (129 Hp)

1978 Mercedes-Benz S123 - Photo 1
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Key specs

Mercedes-Benz W123 Station wagon (estate) 1977, 1978, 1979

What is the body type, Mercedes-Benz S123?Station wagon (estate), 5 Doors, 5 Seats
How fast is the car, 1977 S123 250 T (129 Hp)?185 km/h | 114.95 mph
0-100 km/h: 11.9 sec
0-60 mph: 11.3 sec
How much power, Mercedes-Benz W123 Station wagon (estate) 1977 250 T (129 Hp)?129 Hp, 196 Nm
144.56 lb.-ft.
What is the engine size, Mercedes-Benz W123 Station wagon (estate) 1977 250 T (129 Hp)?2.5 l
2525 cm3
154.08 cu. in.
How many cylinders, 1977 Mercedes-Benz 250 T (129 Hp)?6, Inline
What is the drivetrain, Mercedes-Benz S123 Station wagon (estate) 1977 250 T (129 Hp)?Rear wheel drive. Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
How long is this vehicle, 1977 Mercedes-Benz W123 Station wagon (estate)?4725 mm
186.02 in.
How wide is the vehicle, 1977 Mercedes-Benz W123 Station wagon (estate)?1786 mm
70.31 in.
What is the curb weight, 1977 Mercedes-Benz S123 250 T (129 Hp)?1510 kg
3328.98 lbs.
What is the gross weight, 1977 Mercedes-Benz S123 250 T (129 Hp)?2130 kg
4695.85 lbs.
How many gears, What type is the gearbox, 1977 Mercedes-Benz S123 250 T (129 Hp)?4, manual transmission

Mercedes-Benz S123 250 T (129 Hp) 1977, 1978, 1979 Specs

General information
BrandMercedes-Benz
Model W123
Generation S123
Modification (Engine) 250 T (129 Hp)
Start of production September, 1977 year
End of production September, 1979 year
Powertrain Architecture Internal Combustion engine
Body typeStation wagon (estate)
Seats 5
Doors 5
Performance specs
Fuel consumption (economy) - urban 16.4 l/100 km 14.34 US mpg
17.22 UK mpg
6.1 km/l
Fuel consumption (economy) - extra urban 9.8 l/100 km 24 US mpg
28.82 UK mpg
10.2 km/l
Fuel Type Petrol (Gasoline)
Acceleration 0 - 100 km/h11.9 sec
Acceleration 0 - 62 mph11.9 sec
Acceleration 0 - 60 mph (Calculated by Auto-Data.net) 11.3 sec
Maximum speed 185 km/h 114.95 mph
Weight-to-power ratio 11.7 kg/Hp, 85.4 Hp/tonne
Weight-to-torque ratio 7.7 kg/Nm, 129.8 Nm/tonne
Engine specs
Power 129 Hp @ 5500 rpm.
Power per litre 51.1 Hp/l
Torque 196 Nm @ 3500 rpm. 144.56 lb.-ft. @ 3500 rpm.
Engine layout Front, Longitudinal
Engine Model/Code M 123 V 25 / 123.920
Engine displacement 2525 cm3 154.08 cu. in.
Number of cylinders 6
Engine configuration Inline
Cylinder Bore 86 mm 3.39 in.
Piston Stroke 72.45 mm 2.85 in.
Compression ratio 8.7:1
Number of valves per cylinder 2
Fuel injection system Carburettor
Engine aspiration Naturally aspirated engine
Valvetrain SOHC
Engine oil capacity 7.5 l 7.93 US qt | 6.6 UK qt
Engine oil specification Log in to see.Log in to see.
Coolant 10 l 10.57 US qt | 8.8 UK qt
Space, Volume and weights
Kerb Weight 1510 kg 3328.98 lbs.
Max. weight 2130 kg 4695.85 lbs.
Max load 620 kg 1366.87 lbs.
Fuel tank capacity 70 l 18.49 US gal | 15.4 UK gal
Dimensions
Length 4725 mm 186.02 in.
Width 1786 mm 70.31 in.
Height 1470 mm 57.87 in.
Wheelbase 2795 mm 110.04 in.
Front track 1488 mm 58.58 in.
Rear (Back) track 1453 mm 57.2 in.
Drivetrain, brakes and suspension specs
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheel Rear wheel drive
Number of gears and type of gearbox 4 gears, manual transmission
Front suspension Double wishbone
Rear suspension Trailing arm
Front brakesDisc
Rear brakesDisc
Steering type Cone worm with recirculation balls
Power steering Hydraulic Steering
Tires size Front wheel tires: 195/70 R14
Rear wheel tires: 195/70 R14
Wheel rims sizeFront wheel rims: 6J x 14
Rear wheel rims: 6J x 14