Diesel injection system Mercedes E-Class (W210)

Diesel engine injection system — general information
If a petrol engine is supplied with a fuel-air mixture, which is subsequently ignited by a spark plug, then in a diesel engine this occurs under the influence of high...

Main elements of the Electronic Diesel System (EDS)
Fig. 4.69. Control unit Control unit (Fig. 4.69) is mounted on the right side of the unit. It performs the following functions: providing the required amount of fuel,...

Engine operating modes
Start . Regardless of the position of the accelerator pedal, but depending on the temperature, the engine receives a different amount of fuel at startup. From 600 min⁻¹...

Idle system
Pneumatic idle speed increase system Fig. 4.73. Vacuum lines and valves diagram: 1 – control module of the air conditioning compressor; 2 – Shift Ride Awareness (ARA)...

Automatic Shift Assist (ARA)
This system is installed on cars with a manual gearbox. An electromagnet on the high-pressure fuel pump minimizes fuel supply at the right moment, thereby preventing...

Variable length intake manifold
The 6-cylinder engine on the E 300 Diesel model has a variable-length intake manifold. Using two movable flaps in the intake system, the oscillation frequency of the...

Injectors — General Description
The injectors are installed in the upper part of the cylinder head and are designed to supply fuel to the cylinder (pre-chamber). The injector needle rises at a pressure...

Turbocharger — description and maintenance
The turbocharger is flanged to the exhaust manifold and intake system. Fig. 4.75. Turbocharger in section (290TD): 1 – turbine; 2 – shaft; 3 – oil channel; 4 –...

Possible turbocharger malfunctions, their causes and troubleshooting methods
Possible turbocharger malfunctions, their causes and troubleshooting methods

Engine shutdown
Engine Shut-Off Valve (Distribution type fuel injection pump) The shut-off valve on the high-pressure fuel pump is used to stop the engine. It consists of a magnetic...

Injection system maintenance
Most work related to the repair and maintenance of the injection system should be carried out by specialists at the service station. They have the necessary diagnostic...

Removal injectors
Sequence of works 1. Remove the cross intake air duct and injector housing. Fig. 4.80. Nozzle location: 1 – nozzle; 2 – union ferrule; 3 – fuel supply line to the...

Disassembling injectors
When disassembling, pay attention to the adjusting washers, which set the same injection pressure for stable engine operation. This adjustment complicates the repair...

Accelerator pedal drive
If the pedal simply "sticks", lubricate it and "loose up" it. After each engine wash, be sure to lubricate the pedal rod and drive. Adjust the fuel supply control and...

Possible malfunctions of the diesel engine fuel system, their causes and methods of elimination
Possible malfunctions of the diesel engine fuel system, their causes and methods of elimination

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More similar sections for repairing other models

☛ Power unit: Injection system (gasoline) car Mercedes W168 (1997-2004)
☛ Power unit: Injection system (gasoline) car Mercedes W202 (1993-2000)
☛ Power unit: Fuel injection system car Mercedes W126 (1979-1991, petrol)

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W210 (1996-2002)

W124 (1984-1995)