Gasoline engine I4 car Mercedes E-Class (W124)
Engine Specifications
Total information Engine code: – 2.0 l engine with carburetor 102,922 – 2.0 l engine with fuel injection system 102,963 – engine 2.3 l 102,982 Working volume: – engine...
Total information Engine code: – 2.0 l engine with carburetor 102,922 – 2.0 l engine with fuel injection system 102,963 – engine 2.3 l 102,982 Working volume: – engine...
General engine data
Engine with four cylinders in line with one overhead camshaft. The crankshaft is supported by five main bearings. Thrust half rings for adjusting the axial play of the...
Engine with four cylinders in line with one overhead camshaft. The crankshaft is supported by five main bearings. Thrust half rings for adjusting the axial play of the...
Repair operations on the engine installed in the car
The following operations can be performed without removing the engine from the vehicle: removal and installation of the cylinder head; removal and installation of the...
The following operations can be performed without removing the engine from the vehicle: removal and installation of the cylinder head; removal and installation of the...
Compression (compression) pressure check
Checking the condition of the engine can be done by measuring the compression pressure in the cylinders. If this check is carried out regularly, it is possible to know...
Checking the condition of the engine can be done by measuring the compression pressure in the cylinders. If this check is carried out regularly, it is possible to know...
Top dead center (TDC) of the piston of the first cylinder
Piston top dead center is the point through which each piston passes as the crankshaft rotates. Each piston reaches TDC at the end of the compression stroke, then again...
Piston top dead center is the point through which each piston passes as the crankshaft rotates. Each piston reaches TDC at the end of the compression stroke, then again...
Cylinder head cover — removal and installation
Removing Attention! The cylinder head cover is removed together with high-voltage wires and the distributor cover. When installing the cylinder head cover, a new gasket...
Removing Attention! The cylinder head cover is removed together with high-voltage wires and the distributor cover. When installing the cylinder head cover, a new gasket...
Crankshaft pulley/vibration damper and hub
Crankshaft pulley / vibration damper Removing 1. Remove the radiator. 2. Remove the auxiliary drive belt. 3. Unscrew the mounting bolts and remove the pulley / vibration...
Crankshaft pulley / vibration damper Removing 1. Remove the radiator. 2. Remove the auxiliary drive belt. 3. Unscrew the mounting bolts and remove the pulley / vibration...
Drive chain cover — removal and installation
Removing Elements of the auxiliary drive belt tensioner with a shock absorber strut located under the tensioner A - shock absorber strut; B - tension mechanism; C -...
Removing Elements of the auxiliary drive belt tensioner with a shock absorber strut located under the tensioner A - shock absorber strut; B - tension mechanism; C -...
Checking and replacing the drive chain
Examination 1. Remove the air filter. 2. Remove the cylinder head cover. 3. For the crankshaft pulley bolt, turn the engine crankshaft and check the condition of the...
Examination 1. Remove the air filter. 2. Remove the cylinder head cover. 3. For the crankshaft pulley bolt, turn the engine crankshaft and check the condition of the...
Drive chain tensioner
Removing When installing a new chain, keep both branches of the chain taut at all times. Unscrewing the cap nut from the drive chain tensioner housing Removing the...
Removing When installing a new chain, keep both branches of the chain taut at all times. Unscrewing the cap nut from the drive chain tensioner housing Removing the...
Camshaft sprocket — removal, inspection and installation
Removing Locking the camshaft with a wrench against turning by the chamfer on the rear of the camshaft Unscrewing the camshaft sprocket bolt Removing the sprocket from...
Removing Locking the camshaft with a wrench against turning by the chamfer on the rear of the camshaft Unscrewing the camshaft sprocket bolt Removing the sprocket from...
Crankshaft sprocket — removal, inspection and installation
Removing Removing the oil pump drive clutch from the crankshaft 1. Remove the drive chain cover. 2. Using paint, apply an alignment mark to the crankshaft sprocket and...
Removing Removing the oil pump drive clutch from the crankshaft 1. Remove the drive chain cover. 2. Using paint, apply an alignment mark to the crankshaft sprocket and...
Lower Drive Chain Guide for Single Chain Models
Removing The location of the single-row drive chain on the engine 1 - crankshaft sprocket; 2 – an asterisk of a camshaft; 3 – drive chain tension mechanism; 4 - shoe; 5...
Removing The location of the single-row drive chain on the engine 1 - crankshaft sprocket; 2 – an asterisk of a camshaft; 3 – drive chain tension mechanism; 4 - shoe; 5...
Lower Drive Chain Guide for Dual Chain Models
1. Remove 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 the...
1. Remove 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 the...
Upper chain guide
Removing Using an inertia hammer with grips and an additional bolt to remove the upper chain guide dowel pin Removing the dowel pin of the upper chain guide Removing the...
Removing Using an inertia hammer with grips and an additional bolt to remove the upper chain guide dowel pin Removing the dowel pin of the upper chain guide Removing the...
Tensioner Shoe for Single Chain Drive Models
Removing Removing the shoe of the single-row drive chain tensioner 1. Remove the drive chain cover. 2. Remove the camshaft sprocket. 3. Rotate the drive chain tensioner...
Removing Removing the shoe of the single-row drive chain tensioner 1. Remove the drive chain cover. 2. Remove the camshaft sprocket. 3. Rotate the drive chain tensioner...
Tensioner Shoe for Dual Chain Drive Models
Removing Removing the pivot pin of the shoe of the double-row chain tensioner using an inertial hammer 1. Remove the drive chain cover. 2. Remove the camshaft sprocket....
Removing Removing the pivot pin of the shoe of the double-row chain tensioner using an inertial hammer 1. Remove the drive chain cover. 2. Remove the camshaft sprocket....
Intermediate shaft — removal, inspection and installation
Removing Unscrewing the bolt securing the intermediate shaft retainer Removing the intermediate shaft retainer Removing the intermediate shaft from the engine block 1....
Removing Unscrewing the bolt securing the intermediate shaft retainer Removing the intermediate shaft retainer Removing the intermediate shaft from the engine block 1....
Valve drive, tappets and camshaft
Attention! Parts of the valve drive and oil sprayer have many modifications, therefore, when replacing them, it is necessary to consult a Mercedes-Benz representative....
Attention! Parts of the valve drive and oil sprayer have many modifications, therefore, when replacing them, it is necessary to consult a Mercedes-Benz representative....
Cylinder head — removal and installation
Cylinder head 1 – a head of the block of cylinders; 2 – a cover of the bearing of a camshaft; 3 - oil supply pipe; 4 – laying of a head of the block of cylinders; 5 – a...
Cylinder head 1 – a head of the block of cylinders; 2 – a cover of the bearing of a camshaft; 3 - oil supply pipe; 4 – laying of a head of the block of cylinders; 5 – a...
Oil pan — removal and installation
Engine lubrication system 1 - oil pan; 2 - dipstick for measuring the level of engine oil; 3 - crankshaft; 4 - oil intake; 5 – inner rotor; 6 – outer rotor; 7 - oil pump...
Engine lubrication system 1 - oil pan; 2 - dipstick for measuring the level of engine oil; 3 - crankshaft; 4 - oil intake; 5 – inner rotor; 6 – outer rotor; 7 - oil pump...
Oil pump — removal and installation
Attention! When installing the oil pump, a new oil pickup pipe gasket and a new O-ring for the oil feed pipe must be used. Oil pump Removing Removing the oil pickup pipe...
Attention! When installing the oil pump, a new oil pickup pipe gasket and a new O-ring for the oil feed pipe must be used. Oil pump Removing Removing the oil pickup pipe...
Flywheel / drive plate — removal, inspection and installation
Removing 1. Remove the engine or transmission. 2. Remove the clutch. 3. Secure the flywheel against turning by placing a lock on the flywheel ring gear. Put alignment...
Removing 1. Remove the engine or transmission. 2. Remove the clutch. 3. Secure the flywheel against turning by placing a lock on the flywheel ring gear. Put alignment...
Replacement of sealing rings of a cranked shaft
Front o-ring 1. Remove the crankshaft pulley/vibration damper and hub. 2. Measure the installation depth of the front O-ring. 3. Drill two small holes in the o-ring at...
Front o-ring 1. Remove the crankshaft pulley/vibration damper and hub. 2. Measure the installation depth of the front O-ring. 3. Drill two small holes in the o-ring at...
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 transmission input shaft rests. Location of...
On models with a manual transmission, a bearing is installed at the end of the crankshaft on the flywheel side, on which the transmission input shaft rests. Location of...
Checking and replacing the support of the power unit
Examination The location of the front supports of the power unit The power unit rests on three pillars. Two supports on both sides of the engine and one support on the...
Examination The location of the front supports of the power unit The power unit rests on three pillars. Two supports on both sides of the engine and one support on the...
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- General information
- Vehicle description
- Working conditions and tools
- Car care
- Diesel engines
- Engine repair
- Lubrication system
- Cooling system
- Injection system
- Supply system
- Exhaust system
- Gasoline engines
- Engine repair
- Lubrication system
- Cooling system
- Control system
- Power and exhaust system
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Drive shafts
- Chassis
- Car suspension
- Steering
- Tires and wheels
- Brake system
- Body
- Exterior (external elements)
- Interior (internal elements)
- Doors and windows
- Heating and ventilation
- Electrical equipment
- Equipment and devices
- Power devices
- Lighting and signaling
- Electrical circuits
- General information
- Governing bodies
- Driving and operation
- Weekly care
- Maintenance (gasoline)
- Maintenance (diesel)
- Troubleshooting
- Power unit
- I4 petrol engine
- V6 petrol engine (SOHC)
- V6 petrol engine (DOHC)
- Diesel engines
- Engine overhaul
- Cooling system
- Heating and ventilation
- Fuel system (carburetor)
- Injection system «Bosch CIS-E»
- Injection system «Bosch HFM»
- Diesel fuel system
- Supply system
- Starting and charging system
- Ignition system (I4)
- Ignition system (V6)
- Preheating
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Drive shafts
- Chassis
- Brake system
- Car suspension
- Steering
- Body
- Exterior (external elements)
- Interior (internal elements)
- Doors, locks and windows
- Electrical equipment
- Equipment and devices
- Switches
- Headlights and lighting
- Electrical circuits
- General information
- Introduction to the guide
- Power unit
- Engine device
- Repair M102 engines
- Repair M110 and M123 engines
- Cooling and lubrication (M102)
- Cooling (M110 and M123)
- Ignition system
- Power system «Stromberg»
- Power system «Solex 4A1»
- Fuel injection «K-Jetronic»
- Fuel injection «L-Jetronic»
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Cardan and rear axle
- Chassis
- Front suspension
- Rear suspension
- Steering
- Brake system
- Body
- Exterior (external elements)
- Interior (internal elements)
- Doors, locks and windows
- Electrical equipment
- Equipment and devices
- Power devices
- Electrical circuits
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