Gasoline engine (I4 and V6) Mercedes C-Class (W203)

Petrol and Diesel Engine Specifications
Note: Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold. General parameters Petrol...

Checking the compression in the engine cylinders
1. Compression gives an idea of the engine's condition. The results of the test show whether the valves and pistons are in order (piston rings), or they are worn out. In...

Checking the engine with a vacuum gauge
Using a vacuum gauge, you can get information about the condition of the engine and determine if the cylinder head gasket is blown, the fuel system is damaged, the rings...

Removal and installation the engine compartment cover from the bottom side
Note on safety precautions The operation of lifting and installing the car on stands is associated with danger! Therefore, before carrying out the operation, read the...

Construction of 4-cylinder petrol engines
4-cylinder petrol engine 111 1 - Cylinder head cover; 2 - Air filter; 3 - Compressor; 4 - V-belt; 5 — Charge air cooler; 6 — Generator; 7 — Engine cover 1, upper; 8 —...

Removal and installation the cylinder head (I4)
Note: Since this job requires some experience, only the basics required for an experienced mechanic are described. Removal 1. Remove the air filter (2), depending on the...

Removal and installation the cylinder head cover (I4)
Cylinder head cover Engine 111: 3 - Cover with gasket; 4 - Gasket; 5 — Cylinder head cover gasket Removal 1. Remove the ignition coils, refer to Section Removal and...

Removal and installation the chain tensioner (I4)
The chain tensioner is screwed into the cylinder head on the right side. The tensioner is supplied with lubricating oil through a hole in the cylinder head. Removal 1....

Replacing the timing chains and setting the valve timing (I4)
Timing chain drive diagram and stages of the valve timing installation procedure. In-line petrol engine 111. Special tools: Camshaft locking tool - No.111589031500....

Checking the camshaft timing (I4)
Examination 1. Remove the cylinder head cover, refer to the relevant section. 2. Turn the crankshaft until the piston position of the first cylinder is 25±2° after TDC,...

Removal and installation the V-belt (I4)
Compressor drive belt 1 - Tension roller; 2 — Crankshaft; 3 - Deflection roller; 4 — Compressor; 5 - Generator Removal 1. Remove the fan cover or air filter depending on...

Construction of 6-cylinder petrol engines
The main elements of the 112 engine are shown in the illustrations. 3 valves are used (2 inlets and 1 outlet) and 2 spark plugs for each cylinder. A special device...

Removal and installation the cylinder head (V6)
Removal 1. Remove the engine cover or air filter vertically upwards from the cylinder head covers. 2. It is not allowed to disassemble the air intake system. 3. Secure...

Replacing the timing chains and setting the valve timing (V6)
Diagram of the timing chain drive and stages of the valve timing installation procedure. The installation position of the camshafts is "40° after TDC of the piston of...

Removal and installation the V-belt (V6)
V-belt routing diagram. Engine 112 1 - Crankshaft; 2 - Deflection roller 1 or compressor; 3 - Power steering pump; 4 - Deflection roller; 2, 5 - Generator; 6 - Coolant...

Engine lubrication system
Diagram of oil circulation in the engine The illustration is for informational purposes only and may not fully correspond to the model in question. 1 - Cylinder head oil...

Checking oil pressure
Examination 1. Check the engine oil level, refer to Section Checking fluid levels, leak monitoring . 2. Warm up the engine to operating temperature. To do this, start...

Removal and installation the oil level sensor
Removal 1. Remove the lower engine compartment cover, refer to Section Checking the engine with a vacuum gauge . 2. Drain or suck out the engine oil, refer to Section...

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TEXTHTMLBB Code

190 (W201) (1982-1993)