Diesel car engine Mercedes E-Class (W124)

Engine specifications
Engine code: – 4-cylinder 2.0L engine 601,912 – 5-cylinder 2.5 l engine: • without turbocharging 602,912 • turbocharged 602,962 – 6-cylinder 3.0 l engine: • without...

General engine data
The design of engines with four, five and six cylinders is similar except for the number of cylinders. The engines have an in-line arrangement of cylinders with one...

Repair operations on the engine installed in the vehicle
The following operations can be performed without removing the engine from the vehicle: check compression pressure; removing and installing the cylinder head cover;...

Checking the compression pressure
Caution! To check the compression pressure, it is necessary to use a compression tester for diesel engines. The engine condition can be checked by measuring the...

Top dead center (TDC) of the piston of the first cylinder
Top dead center of a piston is the point through which each piston passes as the crankshaft rotates. Each piston reaches the TDC position at the end of the compression...

Cylinder Head Cover — Removal and Installation
Removal 1. Remove the ground cable from the battery. 2. Open the hood and place it in a vertical position. 3. On turbocharged engines, remove the air duct connecting the...

Crankshaft Pulley/Vibration Damper and Hubs
On 4-cylinder engines of early releases, a torsional vibration damper was not installed. On 4-cylinder engines of later releases and all 5 - and 6-cylinder engines, a...

Timing Chain Cover — Removal and Installation
Caution! When removing the drive chain cover, a lifting mechanism must be used. When installing the cover, a sealant must be used. Removal Location of the two bolts on...

Drive chain — checking and replacing
Examination 1. Remove the cylinder head cover. 2. Turn the engine crankshaft using the crankshaft pulley mounting bolt and check the condition of the chain along its...

Drive chain tensioning mechanism
Drive chain tensioning mechanism Removal Location of the drive chain on a diesel engine 1 – tension mechanism; 2 – tension mechanism shoe; 3 – upper drive chain guide 1....

Camshaft and crankshaft sprocket
Camshaft Sprocket Removal 1. Remove the auxiliary drive belt. 2. Remove the cylinder head cover. 3. Unscrew the drive chain tensioner mechanism. 4. If present, remove...

Chain Tensioners — Removal, Checking and Installation
Attention! To remove the upper chain guide, you must use an inertia hammer with an adapter. The location of the fastening brackets connecting the outer and inner parts...

Camshafts and tappets
Sequence of removing the camshaft bearing caps on a 4-cylinder engine First of all, bearing caps No.1, 3 and 5 are removed (light arrows), and then bearing caps 2 and 4...

Checking hydraulic tappets
Hydraulic pusher 1 – low pressure oil chamber; 2 – high pressure oil chamber; 3 – pusher cylinder; 4 – valve stem; 5 – camshaft cam Camshaft 1. Check the bearing...

Camshafts — Installation
1. Lubricate the hydraulic lifters with clean engine oil and install them into the cylinder head seats. 2. Install the thrust half ring to adjust the axial clearance of...

Cylinder head — removal and installation
Caution! A lifting mechanism must be used to remove the cylinder head. A new gasket must be used when installing the cylinder head. A new bolt must be used to secure the...

Oil pan — removal and installation
Caution! A lifting mechanism must be used to remove the oil pan, and a new gasket must be used when installing the oil pan. Location of the oil level sensor on the oil...

Oil pump and drive chain — removal and installation
Lubrication system 1 – oil pump housing for a 4-cylinder engine; 2 – oil pump housing of a 5-cylinder engine; 3 – mesh filter bracket; 4 – mesh filter; 5 – oil pump...

Replacing the crankshaft sealing rings
Front Crankshaft Oil Seal 1. Remove the crankshaft pulley/vibration damper and hub. 2. Measure the installation depth of the sealing ring. 3. Using a screwdriver blade,...

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W210 (1996-2002)

W124 (1984-1995)