Mercedes-Benz 300 SD is a rear wheel drive (RWD) sedan/saloon that has 5 seats and 4 doors. It is presented in 1979. The vehicle has the following dimensions: length - 5219.00 mm, height - 1424.00 mm, width - 1870.00 mm. In addition, the length of the wheelbase of this model is 2864.00 mm, its front track is 1520.00 mm and its rear track is 1506.00 mm. Its curb weight is 1716 kg. The engine of Mercedes-Benz 300 SD is turbocharged and has 5 cylinders with 2 valves per cylinder, single overhead camshaft (SOHC) and engine displacement of 2998 cc. It is placed in the front of the vehicle and its alignment is longitudinal. Its cylinders are inline-arranged. The length of the piston stroke is 92.40 mm and the diameter of the cylinders is 90.90 mm . The compression ratio of the pistons is 21.50:1. The maximum power generated by the engine is 89 kW / 121 ps at 4350 rpm and its maximum torque is 231 Nm at 2400 rpm. The oiling system used for lubricating the engine's parts is wet sump. From 0 to 100 km/h the vehicle can accelerate for 16.20 s. The Mercedes-Benz 300 SD has a 4-speed automatic transmission. The top gear ratio is 1.00:1. Its final drive ratio is 3.07:1. The fuel tank has a capacity of 82.00 l. The vehicle has a recirculating ball steering assembly. The steering wheel can make 2.7 complete rotations from one extreme position to another. The front suspension includes anti-roll bar, coil springs, double wishbones, independent and the rear suspension - anti-roll bar, coil springs, independent, semi-trailing arm. The size of the front wheels is 6J x 14 H 2-B. The size of the rear wheels is 6J x 14 H 2-B. The size/type of tyres in the front is 185 HR 14. The size/type of the rear tyres is 185 HR 14. The front brakes are equipped with ventilated disks. The rear brakes are provided with disks, servo assistance. The diameter of the front brakes is 278.00 mm and the one of the rear brakes is 279.00 mm.
The name of the company, which has manufactured this vehicle.
The series the vehicle's model belongs to.
The model name of the vehicle.
The code provided by the manufacturer, which marks this model.
|W 116 D 30 A|
A family this model belongs to.
The year since the model has been in production.
|Type of vehicle|
Information about the body type of this vehicle.
The type of the drive system used in the vehicle.
|rear wheel drive (RWD)|
|Number of seats|
The number of seats the vehicle has.
|Number of doors|
The number of doors the vehicle has.
The distance from the rear-most point to the front-most point of the vehicle.
|5219.00 mm (millimeters)|
205.4724 in (inches)
17.1227 ft (feet)
The width of the vehicle. Devices like door handles, mirrors and lights usually are not included in the calculation of the width. The width is measured with doors and windows closed and the wheels in a straight-ahead position.
|1870.00 mm (millimeters)|
73.6220 in (inches)
6.1352 ft (feet)
The distance from the floor to the top-most part of the vehicle.
|1424.00 mm (millimeters)|
56.0630 in (inches)
4.6719 ft (feet)
The horizontal distance between the centers of the front and rear wheels. The distance between the front and rear axle.
|2864.00 mm (millimeters)|
112.7559 in (inches)
9.3963 ft (feet)
The distance between the centers of the wheels on the front axle.
|1520.00 mm (millimeters)|
59.8425 in (inches)
4.9869 ft (feet)
The distance between the centers of the wheels on the rear axle.
|1506.00 mm (millimeters)|
59.2913 in (inches)
4.9409 ft (feet)
The distance from the lowest hanging point under the vehicle to the ground, measured with standard vehicle equipment, without cargo or passengers.
The weight of a vehicle with standard equipment and all necessary operating consumables, without passengers or cargo.
|1716 kg (kilograms)|
3783.13 lb (pounds)
The percentage of weight distribution on the front and rear tyres.
The name of the company, which has manufactured the enginge.
The code of the engine.
|OM 617 D 30 A / 617.|
The total volume of the air/fuel mixture an engine can produce during one complete cycle. The engine displacement is the sum if the displacement of its cylinders, which includes the volume of the space between the upper and lower dead point of every cylinder.
|~ 3.0 l (liters)|
2998 cc (cubic centimeters)
|Number of cylinders|
The total number of cylinders in the engine. A cylinder is the space, in which a piston moves between it's upper and lower dead point.
Information on how the cylinders in the engine are arranged. Some of the most common arrangements are: Inline, V and Boxer (opposite).
|Valves per cylinder|
Most engines have two or more valves per cylinder to control the flow of gases and fluids at proper timings. Intake valves are used to control the flow of air and fuel into each cylinder, while the exhaust valves make sure exhaust gases leave the cylinder.
The diameter of the cylinder in the engine. Most internal combustion engines have bores in the 70 mm - 105 mm range.
|90.90 mm (millimeters)|
3.5787 in (inches)
0.2982 ft (feet)
The length of the piston stroke within the cylinders. The distance the piston travels back-and-forth between it's upper and lower dead point.
|92.40 mm (millimeters)|
3.6378 in (inches)
0.3031 ft (feet)
The ratio between the largest and the smallest volume of the combustion chamber when the piston is at the top of its stroke (smallest volume) and the bottom of its stroke (largest volume).
Break mean effective pressure is the average pressure that acts on the piston. The higher the pressure is, the more optimized design has been achieved. BMEP takes into account engine's volume, rpm and power output.
|139.76 psi (pounds per square inch)|
963.61 kPa (kilopascals)
9.64 bar (bars)
The type of aspiration. Some engines are naturally aspirated, while others are turbo/supercharged.
The design of the engine in regards to the number and arrangement of camshaft(s), intake and exhaust valves, etc.
|single overhead camshaft (SOHC)|
The lubricating oil system used to oil the engine's parts. Lubrication prevents friction and respectively - wearing out of the elements, which are in contact while the engine is working. There are two main types of sump systems - wet and dry.
The main bearings are the bearings on which the crankshaft rotates. The number of main bearings depends on the engine type.
The type of engine coolant system used to remove the heat from the engine.
An air-to-air or air-to-liquid heat exchange device used between the turbo and the intake manifold to reduce the temperature of the air, which increases its density.
The location of the engine in the vehicle - whether it is front mounted, middle mounted or rear mounted.
The alignment/orientation of the engine in the vehicle. A transverse engine is mounted so that the engine's crankshaft axis is perpendicular to the long axis of the vehicle. Longitudinal engine is mounted so that the crankshaft is paralel to the long axis of the vehicle.
The fuel system type used to store and supply fuel in the cylinder chamber.
It reduces the toxicity of the emissions from the engine by causing a chemical reaction that transforms harmful gases into less harmful substances.
The maximum amount of power the engine can produce.
|89 kW (kilowatts)|
121 ps (Pferdestärke)
120 hp (horse power)
|Max power at rpm|
The number of revolutions per minute at which the engine produces its maximum power.
|4350 rpm (revolutions per minute)|
The maximum torque the engine can produce. Torque is the turning effect, produced when force is applied to rotate an object around an axis, fulcrum, or pivot.
|231 Nm (newton meters)|
170 ft-lb (foot-pounds)
23 kgm (kilogram meters)
|Max torque at rpm|
The number of revolutions per minute at which the engine produces its maximum torque.
|2400 rpm (revolutions per minute)|
The maximum speed the vehicle can achieve.
|171 km/h (kilometers per hour)|
106.25 mph (miles per hour)
The maximum number of revolutions per minute of the crankshaft the engine is allowed to run.
|0 - 60 mph|
The time in seconds in which the vehicle accelerates from 0 to 60 miles per hour.
|0 - 100 km/h|
The time in seconds the vehicle needs to accelerate from 0 to 100 kilometers per hour.
|16.20 s (seconds)|
|Quarter mile time|
The time in seconds the vehicle needs to do a quarter mile.
|Drag coefficient (Cd/Cx/Cw)|
Quantifies the resistance (drag) of the vehicle, while moving through the air. Contemporary automobiles achieve a drag coefficient from 0.30 to 0.35. Cd is also known as Cx in France and Cw in Germany
|Frontal area (A)|
The total surface area of the front of a vehicle that is exposed to the air flow.
|Drag area (CdA)|
Expresses the aerodynamic efficiency of the vehicle and is measured by multiplying the drag coefficient (Cd) and the frontal surface area (A). The lower the drag area is the more efficient aerodynamically the vehicle is.
The maximum amount of fuel that the vehicle's fuel tank can hold.
|82.00 l (liters)|
21.66 US gal (US gallons)
18.04 UK gal (UK gallons)
|Fuel consumption - urban|
The amount of fuel used by the vehicle to cover the distance of 100 kilometers where the speed varies from 0 to 50 km/h.
|Fuel consumption - extra urban|
The amount of fuel used by the vehicle to cover the distance of 100 kilometers where the speed varies from 80 to 120 km/h.
|Fuel consumption - combined|
The average amount of fuel consumed by the vehicle per unit distance in urban and extra-urban traffic.
Information about the carbone dioxide emitted by the vehicle. The average CO2 emissions rating is 167 grams of carbon dioxide per kilometer driven.
Information about the front suspension mechanism used in the vehicle. The mechanical system that connects the wheels and axles to the chassis of the vehicle.
Information about the rear suspension mechanism used in the vehicle. The suspension contributes to the vehicle's handling and braking, isolates the passengers from the road noise and vibrations.
A transmission a.k.a gearbox adapts the output of the engine to the drive wheels. The transmission can increase the torque while reducing the speed of the crankshaft or do the opposite - reduce the torque while increasing the speed of the crankshaft.
|Number of gears|
The number of gears in the transmision of the vehicle.
|Top gear ratio|
The gear ratio of the top gear. The gears ratio expresses the ratio between the number of teeth of the larger gear and the pinion, or simply put the ratio between the gears radiuses/diameters. E.g. the ratio of a gear with 24 teeth and a pinion with 13 teeth is 1.84:1.
|Final drvie ratio|
The final drive ratio expresses the ratio between the number of rotations of the drive shaft for one rotation of a wheel or the ratio between the number of revolutions of the pinion for one revolution of the drive axle.
The brake system used on the front wheels. In general, the brake system transmits the force from the brake pedal to the brake pads, which allows the vehicle to slow down and stop.
Information about the brake system used on the rear wheels.
|Front brake diameter|
The diameter of the front brake disks. The brake disk is located between the brake pads, which when forced against both sides of the disk slow and stop the rotation of the wheel.
|278.00 mm (millimeters)|
10.9449 in (inches)
0.9121 ft (feet)
|Rear brake diameter|
The diameter of the rear brake disks.
|279.00 mm (millimeters)|
10.9843 in (inches)
0.9154 ft (feet)
The size/type of the front wheels. For example in "7.5J x 16", the first number represents the width in inches, the second one represents the height in inches. The letter J represents the wheel contour.
|6J x 14 H 2-B|
The size/type of the rear wheels used in the vehicle.
|6J x 14 H 2-B|
The size/type of the front tyres. For example in the tyre code "225/55 R 16" the first number stands for width in mm, the second number stands for aspect ratio of height to width in %, R stands for construction type (radial) and 16 stands for wheel diameter in inches.
|185 HR 14|
The size/type of the rear tyres used in the vehicle.
|185 HR 14|
The smallest possible diameter of the circle described by the outside wheels when the vehicle is turning on full lock.
Information about the design of the mechanism used in the vehicle which allows it to follow the desired course. The steering mechanism aims to ensure that the wheels are pointing in the desired directions.
|Turns lock to lock|
The number of complete rotations a steering wheel makes when turned from one extreme lock position to the other. For example, from extreme left to extreme right.
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