Important!
This replacement procedure can be used for:
MERCEDES-BENZ E-Class Saloon (W124) E 300 D (124.131), MERCEDES-BENZ E-Class Saloon (W124) E 250 D (124.126, 124.129) View more

The steps may slightly vary depending on the car design.

How to change engine radiator on MERCEDES W124 [TUTORIAL AUTODOC]

video
All the parts you need to replace – Engine Radiator for E-Class Saloon (W124) and other MERCEDES-BENZ models
Alternative products
How to change Engine radiator on Mercedes E Class W124 E 250 D 2.5 (124.126, 124.129) – step-by-step instructions for straightforward car repair Engine radiator
Tools
Replacement: engine radiator – Mercedes W124. List of the tools you'll need:
Wire brush
WD-40 spray
Threadlocker
Torque wrench
Combination spanner #10
Combination spanner #19
Drive socket # 7
Drive socket # 10
Ratchet wrench
Flat screwdriver
Clip removal tool
Funnel
Fluid container
Fender cover
Replacement: engine radiator – Mercedes W124. AUTODOC recommends:
  • Follow the terms, recommendations and requirements of the part operation provided by the manufacturer.
  • Check the coolant condition and replace it if necessary.
  • Warning! Shut down the engine before starting any work – Mercedes W124.
Carry out replacement in the following order:
  1. Step 1
    How to change Engine Radiator on Mercedes E Class W124 1993 - free PDF and video manuals
    Open the hood.
  2. Step 2
    How to replace MERCEDES-BENZ E-Class Saloon (W124) E 250 D 2.5 (124.126, 124.129) 1994 Engine Radiator - step-by-step manuals and video guides
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
  3. Step 3
    Mercedes E Class W124 E 300 D 3.0 (124.131) 1995 Engine Radiator replacement: free workshop manuals
    Unscrew the coolant reservoir cap.
  4. Step 4
    Changing Engine Radiator on MERCEDES-BENZ E-Class Saloon (W124) E 220 2.2 (124.022) 1996 by yourself
    Lift the car using a jack or place it over an inspection pit.
  5. Step 5
    How to remove MERCEDES-BENZ E-CLASS E 200 D 2.0 (124.120) 1993 Engine Radiator - online easy-to-follow instructions
    Prepare a container for fluids.
  6. Step 6
    How to replace Engine Radiator on MERCEDES-BENZ E-Class Saloon (W124) 1994: download PDF manuals and video instructions
    Open the coolant drain tap. Use a flat screwdriver.
  7. Step 7
    How hard is it to do yourself: Engine Radiator replacement on Mercedes E Class W124 E 250 2.5 Turbo Diesel (124.128) 1995 - download illustrated guide
    Drain the coolant from the engine.
    Replacement: engine radiator – Mercedes W124. Tip:
    All work should be done with the engine stopped.Wait until the coolant has completely flowed out of the drain hole.
  8. Step 8
    Need to know how to renew Engine Radiator on MERCEDES-BENZ E-CLASS 1996? This free workshop manual will help you to do it yourself
    Unscrew the coolant drain plug on the engine block. Use a combination spanner #19.
  9. Step 9
    Changing of Engine Radiator on Mercedes E Class W124 1993 won't be an issue if you follow this illustrated step-by-step guide
    Drain the coolant from the engine.
    AUTODOC recommends:
    All work should be done with the engine stopped.Wait until the coolant has completely flowed out of the drain hole.
  10. Step 10
    MERCEDES-BENZ E-CLASS E 280 2.8 (124.029) Engine Radiator replacement: online guides and video tutorials
    Screw in the coolant drain plug on the engine block. Use a combination spanner #19.
  11. Step 11
    Replacing Engine Radiator on Mercedes E Class W124 1995 E 250 D 2.5 (124.126, 124.129) by yourself
    Close the coolant drain tap. Use a flat screwdriver.
  12. Step 12
    E-Class Saloon (W124) E 200 D 2.0 (124.120) 1996 Engine Radiator DIY replacement workshop manual
    Lower the car.
  13. Step 13
    How to change Engine Radiator on MERCEDES-BENZ E-Class Saloon (W124) 1993 - tips and tricks
    Unscrew the fan fasteners. Use a combination spanner #10.
  14. Step 14
    Remove the fastening bolts.
    Step 15
    Step-by-step recommendations for DIY replacement Mercedes E Class W124 1994 E 200 D 2.0 (124.120) Engine Radiator
    Remove the cooling fan.
  15. Step 16
    DIY replacement of Engine Radiator on MERCEDES-BENZ E-Class Saloon (W124) E 200 2.0 (124.019) 1995 is not an issue anymore with our step-by-step tutorial
    Remove the fan shroud clips. Use a clip removal tool.
  16. Step 17
    How to change Engine Radiator on Mercedes E Class W124 1993 - free PDF and video manuals
    Loosen the clamps of the upper coolant hose. Use a drive socket #7. Use a ratchet wrench.
  17. Step 18
    How to replace MERCEDES-BENZ E-Class Saloon (W124) E 250 D 2.5 (124.126, 124.129) 1994 Engine Radiator - step-by-step manuals and video guides
    Detach the upper coolant hose.
    Replacement: engine radiator – Mercedes W124. AUTODOC experts recommend:
    Caution! Coolant may leak from radiator openings.
  18. Step 19
    Mercedes E Class W124 E 300 D 3.0 (124.131) 1995 Engine Radiator replacement: free workshop manuals
    Remove the fan shroud.
  19. Step 20
    Changing Engine Radiator on MERCEDES-BENZ E-Class Saloon (W124) E 220 2.2 (124.022) 1996 by yourself
    Loosen the clamp of the expansion tank hose. Use a drive socket #7. Use a ratchet wrench.
  20. Step 21
    How to remove MERCEDES-BENZ E-CLASS E 200 D 2.0 (124.120) 1993 Engine Radiator - online easy-to-follow instructions
    Detach the expansion tank hose from the radiator.
  21. Step 22
    How to replace Engine Radiator on MERCEDES-BENZ E-Class Saloon (W124) 1994: download PDF manuals and video instructions
    Clean the fastener of the lower automatic transmission cooler line. Use a wire brush. Use WD-40 spray.
  22. Step 23
    How hard is it to do yourself: Engine Radiator replacement on Mercedes E Class W124 E 250 2.5 Turbo Diesel (124.128) 1995 - download illustrated guide
    Unscrew the fastener of the lower automatic transmission cooler line. Use a drive socket #10. Use a ratchet wrench.
  23. Step 24
    Need to know how to renew Engine Radiator on MERCEDES-BENZ E-CLASS 1996? This free workshop manual will help you to do it yourself
    Loosen the clamps of the lower coolant hoses. Use a drive socket #7. Use a ratchet wrench.
  24. Step 25
    Changing of Engine Radiator on Mercedes E Class W124 1993 won't be an issue if you follow this illustrated step-by-step guide
    Detach the lower coolant hoses. Use a clip removal tool.
    Replacement: engine radiator – Mercedes W124. Tip from AUTODOC:
    Caution! Coolant may leak from radiator openings.
  25. Step 26
    Clean the fasteners connecting the automatic transmission cooler lines to the radiator. Use a wire brush. Use WD-40 spray.
    Step 27
    MERCEDES-BENZ E-CLASS E 280 2.8 (124.029) Engine Radiator replacement: online guides and video tutorials
    Unscrew the fasteners connecting the automatic transmission cooler lines to the radiator. Use a combination spanner #19.
    AUTODOC recommends:
    Be careful! Transmission fluid may leak from the lines and radiator housing.
  26. Step 28
    Replacing Engine Radiator on Mercedes E Class W124 1995 E 250 D 2.5 (124.126, 124.129) by yourself
    Detach the automatic transmission cooler lines from the radiator.
  27. Step 29
    E-Class Saloon (W124) E 200 D 2.0 (124.120) 1996 Engine Radiator DIY replacement workshop manual
    Remove the upper engine radiator clips. Use a clip removal tool.
  28. Step 30
    How to change Engine Radiator on MERCEDES-BENZ E-Class Saloon (W124) 1993 - tips and tricks
    Remove the radiator.
  29. Step 31
    Step-by-step recommendations for DIY replacement Mercedes E Class W124 1994 E 200 D 2.0 (124.120) Engine Radiator
    Install the new radiator.
  30. Step 32
    DIY replacement of Engine Radiator on MERCEDES-BENZ E-Class Saloon (W124) E 200 2.0 (124.019) 1995 is not an issue anymore with our step-by-step tutorial
    Install the upper engine radiator clips.
  31. Step 33
    How to change Engine Radiator on Mercedes E Class W124 1993 - free PDF and video manuals
    Attach the automatic transmission cooler lines to the radiator.
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