Gasoline engine I4 car Mercedes E-Class (W124)

Engine specifications
General information Engine code: – 2.0 l engine with carburetor 102,922 – 2.0L engine with fuel injection system 102,963 – 2.3 l engine 102,982 Working volume: – 2.0 l...

General engine data
An engine with four cylinders arranged in line with one overhead camshaft. The crankshaft rests on five main bearings. Thrust half rings for adjusting the axial play of...

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

Checking the compression pressure
The engine condition can be checked by measuring the compression pressure in the cylinders. If this check is carried out regularly, it is possible to know in advance the...

Top dead center (TDC) of the piston of the first cylinder
The 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...

Cylinder Head Cover — Removal and Installation
Removal Caution! The cylinder head cover is removed together with the high-voltage wires and distributor cap. When installing the cylinder head cover, a new gasket must...

Crankshaft Pulley/Vibration Damper and Hubs
Crankshaft pulley / vibration damper Removal 1. Remove the radiator. 2. Remove the auxiliary drive belt. 3. Loosen the mounting bolts and remove the pulley/vibration...

Timing Chain Cover — Removal and Installation
Removal Elements of the auxiliary drive belt tensioning mechanism with a shock absorber strut located under the tensioning mechanism A – shock absorber strut; B –...

Checking and replacing the drive chain
Examination 1. Remove the air filter. 2. Remove the cylinder head cover. 3. Turn the engine crankshaft using the crankshaft pulley mounting bolt and check the condition...

Drive chain tensioning mechanism
Removal When installing a new chain, keep both chain runs taut at all times. Unscrewing the cap nut from the drive chain tensioner housing Removal the spring and sealing...

Camshaft Sprocket — Removal, Inspection and Installation
Removal Fixing the camshaft from turning with a wrench by the chamfer on the rear part of the camshaft Unscrewing the camshaft sprocket mounting bolt Removal the...

Crankshaft Sprocket — Removal, Inspection and Installation
Removal Removal the oil pump drive coupling from the crankshaft 1. Remove the drive chain cover. 2. Using paint, make an alignment mark on the crankshaft sprocket and...

Lower chain guide for single-row drive chain models
Removal Location of single row drive chain on engine 1 – crankshaft sprocket; 2 – camshaft sprocket; 3 – drive chain tensioning mechanism; 4 – shoe; 5 – upper chain...

Lower chain guide for double-row chain models
1. Remove the intermediate shaft. 2. Remove the drive chain from the crankshaft sprocket. 3. Using a puller, remove the sprocket from the crankshaft to make room for...

Upper chain guide
Removal Using a hammer with jaws and an extra bolt to remove the upper chain guide mounting pin Removal the upper chain guide mounting pin Removal the upper timing chain...

Tensioner shoe for single row drive chain models
Removal Removal the shoe of the single-row drive chain tensioning mechanism 1. Remove the drive chain cover. 2. Remove the camshaft sprocket. 3. Rotate the drive chain...

Tensioner shoe for models with double-row drive chain
Removal Removal the pivot pin of the shoe of the double-row chain tensioning mechanism using an inertia hammer 1. Remove the drive chain cover. 2. Remove the camshaft...

Intermediate shaft — removal, inspection and installation
Removal Unscrewing the intermediate shaft retainer mounting bolt Removal the intermediate shaft retainer Removal the intermediate shaft from the engine cylinder block 1....

Valve train, tappets and camshaft
Attention! Valve drive and oil sprayer parts have many modifications, so when replacing them, you must consult a Mercedes-Benz representative. The valve drive is...

Cylinder head — removal and installation
Cylinder head 1 – cylinder head; 2 – camshaft bearing cap; 3 – oil supply pipe; 4 – cylinder head gasket; 5 – cylinder head cover; 6 – partition; 7 – cylinder head cover...

Oil pan — removal and installation
Engine lubrication system 1 – oil pan; 2 – dipstick for measuring engine oil level; 3 – crankshaft; 4 – oil intake; 5 – inner rotor; 6 – outer rotor; 7 – oil pump...

Oil pump — removal and installation
Caution: When installing the oil pump, it is necessary to use a new oil pickup pipe gasket and a new O-ring for the oil supply pipe. Oil pump Removal Removal the oil...

Flywheel/Drive Plate — Removal, Inspection and Installation
Removal 1. Remove the engine or gearbox. 2. Remove the clutch. 3. Secure the flywheel from turning by installing a locking pin on the flywheel ring gear. Apply alignment...

Replacing the crankshaft sealing rings
Front O-ring 1. Remove the crankshaft pulley/vibration damper and hub. 2. Measure the installation depth of the front seal ring. 3. Drill two small holes in the sealing...

Replacing the bearing at the end of the crankshaft
On models with a manual transmission, a bearing is installed at the end of the crankshaft on the flywheel side, on which the input shaft of the gearbox rests. Bearing...

Checking and replacing the powertrain support
Examination Location of the front powertrain mounts The power unit rests on three supports. Two supports on either side of the engine and one support on the rear of the...

This section is available on: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

More similar sections for repairing other models

☛ Power unit: Engine repair car Mercedes W168 (1997-2004)
☛ Power unit: Engine repair car Mercedes W463 (1999-2019)
☛ Power unit: 8-cylinder V8 engine car Mercedes W116 (1972-1980, petrol)
☛ Diesel engine OM646: Engine repair car Mercedes Vito 2 (2003-2014, diesel)

Share with friends:

Link in different formats to this section

TEXTHTMLBB Code

W210 (1996-2002)

W124 (1984-1995)