Ignition and engine management system M-Class (W163)
Engine Electrical System Specifications Note. Separate characteristics are also given in the text of the Chapter and, if they are mandatory, are highlighted in bold. Accumulator battery Electrolyte density at...
Basic Information and Safety Precautions The ignition system ignites the air-fuel mixture supplied to the combustion chambers of the cylinders. To form a spark of the required intensity, the 12-volt voltage of...
Ignition and injection control system checks Note. See also Section Troubleshooting in the Introduction at the beginning of the Guide. General information Components of ignition/engine control systems are among the...
Checking and adjusting the ignition timing Since the ignition timing is constantly monitored and adjusted by the engine management system, manual adjustment of this setting is not provided. If necessary, the...
Spark plugs — condition check The spark plug consists of a central electrode, an insulator with a housing and an electrode (ov) masses. A spark jumps between the central electrode and the mass...
Removing and installing the camshaft Hall sensor 112, 113 series gasoline engines and 612 series diesel engines. The installation details of the camshaft Hall sensor on gasoline engines of the 112 and 113 series are...
Diesel engine preheating system To achieve the required ignition temperature of the air-fuel mixture compressed in the cylinders of a cold engine, a pre-glow system is used. A special candle is screwed...
Checking glow plugs If you have difficulty starting the engine, first of all, you should check the correct functioning of all glow plugs. The test is carried out on a cold engine (ambient...
Removal and installation of glow plugs Installation details of diesel engine glow plugs 1. Details of the installation of glow plugs are shown in the illustration, to which all references in the text refer....