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Mercedes-Benz 240 D 3.0 (80 Hp) Automatic

General information
Photo of 1974 - 1976 Mercedes-Benz 240 D 3.0 (80 Hp) Automatic Sedan (80 Hp) - technical specs and dimensions
Power 80 Hp @ 4000 rpm.
Torque 172 Nm @ 2400 rpm.
Acceleration 0 - 100 km/h 20.8 sec
Maximum speed 143 km/h
Fuel consumption (economy) - combined 10.8 l/100 km
Brand
Mercedes-Benz
Model
/8
Generation
/8 (W115, facelift 1973)
Modification (Engine)
240 D 3.0 (80 Hp) Automatic
Start of production
March, 1974 year
End of production
November, 1976 year
Powertrain Architecture
Internal Combustion engine
Powertrain architecture classifies the propulsion technology of the vehicle, such as internal combustion, electric (BEV), or hybrid.
Body type
Sedan
Body type refers to the structural design and shape of the vehicle (such as Sedan, Hatchback, SUV, or Coupe).
Seats
5
Seat count specifies the maximum passenger capacity the vehicle is legally approved to transport at once.
Doors
4
Door count indicates the total number of entry points for passengers and cargo access (e.g., 3-door, 5-door).

Mercedes-Benz /8 Review

Introduced in March, 1974, the Mercedes-Benz /8 (generation /8 Coupe (W114)) is a classic Sedan offering the 240 D 3.0 (80 Hp) Automatic specification. Its propulsion comes from a 3005 cm3 setup, generating a respectable 80 Hp @ 4000 rpm.. This configuration allows it to accelerate from 0 to 100 km/h in 20.8 sec, with a top speed of 143 km/h. The model features Rear wheel drive and has an average combined fuel consumption of 10.8 l/100 km. Featuring Naturally aspirated engine aspiration, it produces a peak torque of 172 Nm @ 2400 rpm. for robust performance. The specific output is rated at 26.6 Hp/l per litre.

The Mercedes-Benz /8 Coupe (W114) 240 D 3.0 is a diesel-powered sedan that offers a unique blend of performance and efficiency. With 80 horsepower at 4000 rpm, it accelerates from 0-100 km/h in 20.8 seconds and reaches a top speed of 143 km/h. Its diesel engine provides a fuel economy of 10.8 l/100 km, making it an attractive option for those seeking a balance between power and efficiency.

📊 Model Comparison AnalysisThis model is **0.9 seconds** slower to 100 km/h. This model delivers **+15 Hp** more power compared to its sibling 240 D (65 Hp), is **6.8 seconds** faster from 0 to 100 km/h, consumes around **14%** more fuel.
FAQ
How many horsepower does Mercedes-Benz 240 D 3.0 (80 Hp) Automatic have? +
The Mercedes-Benz 240 D 3.0 (80 Hp) Automatic model is equipped with an engine producing 80 Hp @ 4000 rpm. total horsepower.
What is the fuel type of Mercedes-Benz 240 D 3.0 (80 Hp) Automatic? +
This vehicle operates on a 10.8 l/100 km fuel system.
What is the 0-100 km/h acceleration of Mercedes-Benz 240 D 3.0 (80 Hp) Automatic? +
The Mercedes-Benz 240 D 3.0 (80 Hp) Automatic can accelerate from 0 to 100 km/h in just 20.8 sec.
What is the top speed of Mercedes-Benz 240 D 3.0 (80 Hp) Automatic? +
According to technical specs, the maximum speed of the vehicle is 143 km/h.
What drivetrain does the Mercedes-Benz 240 D 3.0 (80 Hp) Automatic have? +
This model transfers power to the road via a Rear wheel drive drivetrain.
Is the Mercedes-Benz 240 D 3.0 (80 Hp) Automatic a good car? +
Considering the technical specs and market position, the Mercedes-Benz 240 D 3.0 (80 Hp) Automatic is a highly competitive and desirable model in its class.
Performance specs
Fuel consumption (economy) - combined
10.8 l/100 km
Fuel consumption shows how much fuel the car consumes on average per 100 km. Lower figures represent better fuel economy and lower running costs.
Fuel Type
Diesel
Fuel type defines the primary source of energy required by the vehicle’s engine (petrol, diesel, electricity, hybrid, LPG, etc.).
Acceleration 0 - 100 km/h
20.8 sec
The 0-100 km/h sprint time measures how quickly the vehicle accelerates from a standstill. It is a key indicator of raw performance and responsiveness.
Acceleration 0 - 62 mph
20.8 sec
The 0-100 km/h sprint time measures how quickly the vehicle accelerates from a standstill. It is a key indicator of raw performance and responsiveness.
Acceleration 0 - 60 mph (Calculated by User)
19.8 sec
Maximum speed
143 km/h
Maximum speed represents the upper limit of velocity the vehicle can reach, limited by gear ratios, engine power, and aerodynamic resistance.
Weight-to-power ratio
17.9 kg/Hp, 55.9 Hp/tonne
Weight-to-torque ratio
8.3 kg/Nm, 120.3 Nm/tonne
Engine specs
Power
80 Hp @ 4000 rpm.
Power per litre
26.6 Hp/l
Power per litre (specific power) measures the engine power relative to its displacement. A higher value indicates advanced efficiency and engineering quality.
Torque
172 Nm @ 2400 rpm.
Torque represents the engine’s rotational force, which determines pulling power. High torque ensures responsive acceleration and stronger uphill performance.
Engine layout
Front, Longitudinal
Engine layout defines the position and alignment of the engine block. This layout affects the car’s weight distribution, handling, and interior cabin space.
Engine Model Code
OM 617 D 30 / 617.910
Engine displacement
3005 cm3
Engine displacement represents the combined volume of all cylinders. It is a direct indicator of engine size and baseline performance potential.
Number of cylinders
5
Cylinder count represents the number of combustion chambers. More cylinders generally result in smoother operation and a refined engine note.
Engine configuration
Inline
Cylinder bore
91 mm
Piston stroke
92.4 mm
Compression ratio
21:1
Number of valves per cylinder
2
Valves per cylinder control the airflow into and exhaust out of the engine. More valves improve high-RPM breathing and performance.
Fuel injection system
Precombustion chamber injection
Engine aspiration
Naturally aspirated engine
Aspiration describes how the engine draws air into its cylinders, distinguishing naturally aspirated setups from turbochargers or superchargers.
Valvetrain
SOHC
Space, Volume and weights
Kerb Weight
1430 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. weight
1950 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. load
520 kg
Fuel tank capacity
65 l
Dimensions
Length
4680 mm
Width
1770 mm
Height
1440 mm
Wheelbase
2750 mm
Front track
1448 mm
Rear / Back Track
1440 mm
Drivetrain, brakes and suspension specs
Drivetrain Architecture
The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Drive wheel
Rear wheel drive
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Number of gears and type of gearbox
4 gears, automatic transmission
Front suspension
Double wishbone
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
Rear suspension
Trailing arm
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
Front brakes
Disc
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
Rear brakes
Disc
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
Steering type
Cone worm with recirculation balls
Wheel rims size
Front wheel rims: 5.5J x 14Rear wheel rims: 5.5J x 14
Common OBD2 Fault Codes
P0130 🔴 High
MERCEDES P0130 O2 Sensor Circuit Malfunction
Diagnostic Guide
P0128 🟡 Medium
MERCEDES P0128 Coolant Thermostat Malfunction
Diagnostic Guide
P0113 🟡 Medium
MERCEDES P0113 Intake Air Temperature Circuit High Input
Diagnostic Guide
P0102 🟡 Medium
MERCEDES P0102 Mass Air Flow Circuit Low Input
Diagnostic Guide
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User Reviews
H
Henry T.
18 months ago
★★★★★
Mainly using it for my daily commute to work. 10.8 l/100 km efficiency is surprisingly good for this class. The exterior design looks sharp and modern in person. If you're undecided, just go for it.
•
J
James S.
13 months ago
★★★★★
Does anyone experience any rattles or squeaks over time?
•
H
Henry T.
21 months ago
★★★★★
Bought a used model in great condition last year. 10.8 l/100 km economy is better than I expected. The infotainment is fast and lag-free. If you're undecided, just go for it.
•

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