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Specs of Mercedes-Benz C123 300 CD (78 Hp) Automatic /1977, 1978, 1979/

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Key specs

Mercedes-Benz C123 300 CD (78 Hp) Automatic /Coupe 1977 - 1979/

What is the body type of Mercedes-Benz C123?
Coupe, 2 Doors, 4 Seats
What is the fuel consumption and economy of Mercedes-Benz C123 300 CD (78 Hp) Automatic?
11.5 l/100 km
20.5 US mpg
24.6 UK mpg
8.7 km/l
How fast is 1977 C123 300 CD (78 Hp) Automatic?
143 km/h | 89 mph
0-100 km/h: 20.8 sec
0-60 mph: 19.8 sec
What is the power output of Mercedes-Benz W123 Coupe 1977 300 CD (78 Hp) Automatic?
78 Hp, 156 Nm
115 lb.-ft.
What is the engine displacement of Mercedes-Benz W123 Coupe 1977 300 CD (78 Hp) Automatic?
3.0 l
3005 cm3
183.38 cu. in.
What is the number of cylinders in 1977 Mercedes-Benz 300 CD (78 Hp) Automatic?
5, Inline
What is the drivetrain of Mercedes-Benz C123 Coupe 1977 300 CD (78 Hp) Automatic?
Rear wheel drive. Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
What is the length of 1977 Mercedes-Benz W123 Coupe?
4763 mm
187.52 in.
What is the width of 1977 Mercedes-Benz W123 Coupe?
1786 mm
70.31 in.
What is the kerb weight of 1977 Mercedes-Benz C123 300 CD (78 Hp) Automatic?
1550 kg
3417 lbs.
What is the maximum permissible mass of 1977 Mercedes-Benz C123 300 CD (78 Hp) Automatic?
2015 kg
4442 lbs.
What are the number of gears and the gearbox type of 1977 Mercedes-Benz C123 300 CD (78 Hp) Automatic?
4, automatic transmission

General information

Model
Generation
Modification (Engine)
300 CD (78 Hp) Automatic
Start of production
May, 1977
End of production
September, 1979
Powertrain Architecture
Internal Combustion engine
Body type
Coupe
Seats
4
Doors
2
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Performance specs

Fuel consumption (economy) - combined
11.5 l/100 km 20.5 US mpg
24.6 UK mpg
8.7 km/l
Fuel Type
Diesel
Acceleration 0 - 100 km/h
20.8 sec
Acceleration 0 - 62 mph
20.8 sec
Acceleration 0 - 60 mph (Calculated by Auto-Data.net)
19.8 sec
Maximum speed
143 km/h 89 mph
Weight-to-power ratio
19.9 kg/Hp, 50.3 Hp/tonne
Weight-to-torque ratio
9.9 kg/Nm, 100.6 Nm/tonne

Engine specs

Power
78 Hp @ 4400 rpm.
Power per litre
26 Hp/l
Torque
156 Nm @ 2400 rpm. 115 lb.-ft. @ 2400 rpm.
Engine layout
Front, Longitudinal
Engine Model/Code
OM 617 D 30 / 617.912
Engine displacement
3005 cm3 183.38 cu. in.
Number of cylinders
5
Engine configuration
Inline
Cylinder Bore
91 mm 3.58 in.
Piston Stroke
92.4 mm 3.64 in.
Compression ratio
21.5:1
Number of valves per cylinder
2
Fuel injection system
Multi-port manifold injection
Engine aspiration
Naturally aspirated engine
Valvetrain
SOHC
Engine oil capacity
7.5 l 7.93 US qt | 6.6 UK qt
Engine oil specification
Coolant
11 l 11.62 US qt | 9.68 UK qt

Volume and weights

Kerb Weight
1550 kg 3417 lbs.
Max. weight
2015 kg 4442 lbs.
Max load
465 kg 1025 lbs.
Fuel tank capacity
80 l 21.13 US gal | 17.6 UK gal

Dimensions

Length
4763 mm 187.52 in.
Width
1786 mm 70.31 in.
Height
1395 mm 54.92 in.
Wheelbase
2710 mm 106.69 in.
Front track
1488 mm 58.58 in.
Rear (Back) track
1446 mm 56.93 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, automatic transmission
Front suspension
Double wishbone
Rear suspension
Trailing arm
Front brakes
Disc
Rear brakes
Disc
Steering type
Recirculating-ball steering
Power steering
Hydraulic Steering
Tire size
Front wheel tires: 195/70 R14
Rear wheel tires: 195/70 R14
Wheel rim size
Front wheel rims: 6J x 14
Rear wheel rims: 6J x 14