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W123 (1976-1985) W124 (1984-1995) W210 (1996-2002)
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Starting the engine after major repairs (Mercedes-Benz E-Class W124)

0
Contents: Petrol engines ↡ Diesel engines ↡ All engines ↡
With the engine installed in the engine compartment of the vehicle, check the engine oil and coolant levels. Check that all previously removed wires and hoses are installed in their places.

Petrol engines



1. Remove the spark plugs, disconnect the electrical connector from the ignition unit and remove the fuel pump relay.

2. Crank the engine with the starter until the oil pressure warning light goes out, then connect the electrical connector to the ignition unit, install the fuel pump relay, screw in the spark plugs and connect the high-voltage wires to them.

Diesel engines



1. Disconnect the electrical connector from the engine shut-off solenoid valve on the high pressure fuel pump.

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2. Crank the engine with the starter until the oil pressure warning light goes out, then connect the electrical connector to the engine stop solenoid valve.

3. Press the accelerator pedal all the way down, turn the ignition key to position 2 and wait until the glow plug preheating indicator light goes out.

All engines



1. Start the engine. The engine may take longer than usual to start due to the fuel system being disconnected.

2. With the engine idling, check for fuel, coolant, and oil leaks. At this stage of engine operation, you may notice odor and smoke from hot engine parts as oil that got on the engine during assembly burns off.

3. Let the engine idle until the coolant is warm, which can be felt through the upper radiator hose, then turn the engine off.



4. After the engine has cooled down, check the oil and coolant levels.

5. When installing new pistons, piston rings or crankshaft bearings in the engine, it is necessary to run the engine in for the first 800 km. Do not operate the engine with the throttle valve wide open or under heavy load at low engine speed. It is recommended to change the oil and oil filter at the end of the break-in period.
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The article has been verified: Levin Kirill Glebovich
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E-Class W124 / Engine overhaul
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Installing pistons with connecting rods
Installing the crankshaft
Checking the main bearing clearance
Selection of crankshaft main bearings
Installing piston rings
 
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W210 (1996-2002) 
  • 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
W124 (1984-1995) 
  • 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
W123 (1976-1985) 
  • 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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