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Electronically controlled mechanical fuel injection. The engine control unit (ECU) may be either analog or digital, and the system may or may not have closed-loop lambda control. The system is based on the K-Jetronic mechanical system, with the addition of an electro-hydraulic actuator, essentially a fuel injector inline with the fuel return.
The M110.984 was the first engine with the new Bosch K-Jetronic injection. This system is mechanical. The air that is taken in is weighed to then determine the amount of fuel to inject. Power output: 130 kW (177 PS; 174 hp) at 6000 rpm up to April 1978; 136 kW (185 PS; 182 hp) at 5800 rpm from April 1978. Applications: 1975-1981 280E (W123)
From 1975 onward they used the K-Jetronic mechanical fuel injection system, a less complicated system that proved to be much more reliable in the long run with injectors costing significantly less than those used on the D-Jetronic system. The W116 equipped with the K-Jetronic system used a cast-iron fuel distributor which can be prone to rust ...
A 2.0 L multi-point fuel-injected (KE-Jetronic) variation of the M102.921. An "E" was added to the model of the vehicle (standing for "einspritzung", the German word for fuel injection). This engine is identified by TSZ ignition and multiple belts for the alternator, power steering and air conditioning compressor (where fitted).
In 1974, Bosch introduced the K-Jetronic system, which used a continuous flow of fuel from the injectors (rather than the pulsed flow of the D-Jetronic system). K-Jetronic was a mechanical injection system, using a plunger actuated by the intake manifold pressure which then controlled the fuel flow to the injectors. [55]
As introduced, it utilized a mechanical fuel injection system designed and built in-house by Daimler-Benz. The 6.8 L (6,834 cc) version used a Bosch K-Jetronic Continuous Injection System . The 6.3 L power plant was conservatively rated at 250 PS (184 kW), with 503 N⋅m (371 lb⋅ft) of torque helping to compensate for the 2.82 to 1 final ...
Therefore, the injection timing has to be precise to minimise unburnt fuel (and thus HC emissions). Because of this, continuously injecting systems such as the Bosch K-Jetronic are obsolete. [1] Modern multi-point injection systems use electronically controlled intermittent injection instead. [6]
Fuel system: Continuous multi-point injection: Management: Bosch K(E)-Jetronic: Fuel type: Gasoline: Oil system: Wet sump: Cooling system: Water-cooled: Output; Power output: 185–300 PS (136–221 kW; 182–296 hp) Torque output: 298–455 N⋅m (220–336 lb⋅ft) Chronology; Predecessor: Mercedes-Benz M100 engine: Successor: Mercedes-Benz ...
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