Key facts

1979 Mercedes-Benz 300 D W 123 information summary

What body style?
sedan/saloon with 4/5 seats
How long?
4725 mm
How heavy?
1445 kg
What size engine?
3 litre, 2998 cm3
How many cylinders?
5, Straight
How much power?
88 PS / 87 bhp / 65 kW @ 4000 rpm
How much torque?
172 Nm / 127 ft.lb / 17.5 kgm @ 2400 rpm
How fast?
155 km/h, 96 mph

Mercedes-Benz

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Daimler AG

1979 Mercedes-Benz 300 D technical specifications

Introduction

The Mercedes-Benz 300 D is a 4 door sedan/saloon style road car designed by Friedrich Geiger with a front positioned engine powering the rear wheels.
The 300 D is part of Mercedes-Benz's W 123 range of cars.
Its 5 cylinder, single overhead camshaft naturally aspirated engine has 2 valves per cylinder and a volume of 3 litres. This unit develops power and torque figures of 87 bhp (88 PS/65 kW) at 4000 rpm and 172 Nm (127 lbft/17.5 kgm) at 2400 rpm respectively.
The engine transfers its power through to the wheels via a 4 speed manual gearbox.
Quoted weight at the kerb is 1445 kg.
It is said to be able to manage a top speed of 155 km/h or 96 mph.
1979 Mercedes-Benz 300 D data
1979 Mercedes-Benz 300 D W 123 data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
DesignerFriedrich Geiger
dimensions & weights
mminches
Wheelbase 2795 110
Track/tread (front) 1488 58.6
Track/tread (rear) 1445 56.9
Length 4725 186
Width 1786 70.3
Height 1440 56.7
Ground clearance 165 6.5
length:wheelbase ratio 1.69
Kerb weight 1445 kg 3186 lb
Weight distribution
fuel tank capacity 65 litres 14.3 UK Gal 17.2 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated diesel
Engine manufacturer Mercedes-Benz
Engine code OM 617 D 30 / 617.912
Cylinders Straight 5
Capacity 3 litre
2998 cc
(182.949 cu in)
Bore × Stroke 90.9 × 92.4 mm
3.58 × 3.64 in
Bore/stroke ratio 0.98
single overhead camshaft (SOHC)
2 valves per cylinder
10 valves in total
maximum power output
(DIN)
88 PS (87 bhp) (65 kW)
at 4000 rpm
Specific output
(DIN)
29 bhp/litre
0.48 bhp/cu in
maximum torque
(DIN)
172 Nm (127 ft·lb) (17.5 kgm)
at 2400 rpm
Specific torque
(DIN)
57.37 Nm/litre
0.69 ft·lb/cu3
Engine construction
sump
compression ratio 21:1
Fuel system Bo diesel inj.
bmep (brake mean effective pressure) 721 kPa (104.6 psi)
Maximum RPM
crankshaft bearings 6
Engine coolant Water
Unitary capacity 599.6 cc
Aspiration Normal D.
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 155 km/h (96 mph)
Power-to-weight ratio 61.04 PS/g
44.9 kW/g
60.21 bhp/ton
0.03 bhp/lb
Weight-to-power ratio 22.27 kg/kW
37.2 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering recirculating ball PAS
turns lock-to-lock
Turning circle 11.30 m
Front suspension I.W.CS.
Rear suspension I.STA.CS.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R Di/Di-S
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 1.00
Final drive ratio 3.90
general
Carfolio.com ID61127
Production total
Model code
Model family W 123
RAC rating 25.6
Insurance classification No information available
Tax band No information available
1979 Mercedes-Benz 300 D added before December 1995.
Last modified 2013-06-19.

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1979 Mercedes-Benz 300 D


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