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Mercedes-Benz W123 W123 (1975–1986) Specs

Specifications, engines, dimensions and technical data.

Gen 1 1975 - 1986 W123 Sedan
Mercedes-Benz W123
Engine —
Power —
Fuel —
Gears —
Platform —

Body Style



Mercedes-Benz W123 W123 overview

The Mercedes-Benz W123 (W123) is the 1st generation of the W123, built from 1975 to 1986. It is offered as a Sedan with 18 engines (diesel, petrol), from 55 HP to 177 HP. The 280 (156 Hp) accelerates from 0 to 100 km/h in 10.6 s, reaches a top speed of 190 km/h and is 4725 mm long.

How much horsepower does the Mercedes-Benz W123 have?

The Mercedes-Benz W123 (W123) has 55 HP to 177 HP, depending on the engine: 2.0 Om615 (55 HP), 2.2 Om615 (60 HP), 2.4 Om616 (65 HP), 2.4 Om616 (72 HP), 3.0 Om617 (78 HP), 3.0 Om617 (80 HP), 3.0 Om617 (84 HP), 3.0 Om617 (88 HP), 2.0 M115 (94 HP), 2.0 M102 (101 HP), 2.3 M115 (109 HP), 2.0 M102 (109 HP), 3.0 Om617 (121 HP), 3.0 Om617 (125 HP), 2.5 M123 (129 HP), 2.3 M102 (136 HP), 2.8 M110 (156 HP), 2.8 M110 (177 HP).

What engines are available for the Mercedes-Benz W123?

The Mercedes-Benz W123 is available with 18 engines: 2.0 Om615 (55 HP, diesel), 2.2 Om615 (60 HP, diesel), 2.4 Om616 (65 HP, diesel), 2.4 Om616 (72 HP, diesel), 3.0 Om617 (78 HP, diesel), 3.0 Om617 (80 HP, diesel), 3.0 Om617 (84 HP, diesel), 3.0 Om617 (88 HP, diesel), 2.0 M115 (94 HP, petrol), 2.0 M102 (101 HP, petrol), 2.3 M115 (109 HP, petrol), 2.0 M102 (109 HP, petrol), 3.0 Om617 (121 HP, diesel), 3.0 Om617 (125 HP, diesel), 2.5 M123 (129 HP, petrol), 2.3 M102 (136 HP, petrol), 2.8 M110 (156 HP, petrol), 2.8 M110 (177 HP, petrol).

What are the dimensions of the Mercedes-Benz W123?

The Mercedes-Benz W123 is 4725 mm long, 1786 mm wide, 1438 mm tall, with a 2795 mm wheelbase.

How fast is the Mercedes-Benz W123?

The Mercedes-Benz W123 280 (156 Hp) goes from 0 to 100 km/h in 10.6 s and has a top speed of 190 km/h.

Advanced Specs

Overview

Generation Mercedes-Benz W123
Year 1975–1981
Platform Mercedes-Benz W123
Variant 280 (156 Hp)
Body type sedan
Engine type Fuel
Fuel type Petrol
Seats 5
Doors 4

Power & torque

Power 156 HP
Power @ max rpm 5500 rpm
Torque 223 Nm
Torque @ max rpm 4000 rpm

Performance

Top speed 190 km/h
0–100 km/h 10.6 s
0–62 mph 10.6 s

Engine

Engine code M110.923
Displacement 2746 cc
Cylinders 6
Configuration inline
Bore 86.0 mm
Stroke 78.8 mm
Compression ratio 8.7
Valves per cylinder 2
Injection system carburettor
Aspiration Naturally Aspirated Engine
Valvetrain dohc
Oil capacity 7.0 L
Coolant 10.0 L
Engine layout Front Longitudinal

Drivetrain & transmission

Drive Rear Wheel Drive
Powertrain architecture Internal Combustion Engine
Drivetrain architecture The Internal Combustion Engine Ice Drives The Rear Wheels Of The Vehicle
Gearbox type manual
Gears 4
Gearbox code 4mt
Gearbox manufacturer Mercedes Benz

Dimensions

Length 4725 mm
Width 1786 mm
Height 1438 mm
Wheelbase 2795 mm
Front track 1488 mm
Rear track 1446 mm

Mass

Kerb weight 1455 kg
Max weight 1975 kg
Max load 520 kg

Consumption & emissions

Fuel urban 18.5 L/100km
Fuel extra urban 10.2 L/100km
Fuel tank 80.0 L

Chassis & brakes

Front suspension Double Wishbone
Rear suspension Trailing Arm
Front brakes disc
Rear brakes disc
Steering type Cone Worm With Recirculation Balls
Power steering Hydraulic Steering
Tire size Front wheel tires: 195/70 R14Rear wheel tires: 195/70 R14
Wheel rims Front wheel rims: 6J x 14Rear wheel rims: 6J x 14

Efficiency ratios

Weight-to-power 9.3 kg/Hp, 107.2 Hp/tonne
Weight-to-torque 6.5 kg/Nm, 153.3 Nm/tonne

Other

Start Of Production 1975
End Of Production 1981

Performance

Engine speed (1k/rpm)

Figures from catalog data; real-world values may differ.

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