M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

ML Engine Bay Cleaning

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Old Mar 13, 2017 | 09:17 PM
  #1  
moemoe's Avatar
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Joined: Jan 2016
Posts: 64
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From: British Columbia, Canada
2000 ML55 AMG (W163)
ML Engine Bay Cleaning

Hi forum,

Lots of videos out there how to clean the engine bay. Most of them using a spray (de-greaser) and let that sit for a while then using a power wash to clean it out. As we know the ML have a lot of electrical components that wouldn't take water to well, things like battery portals are obvious areas to cover/avoid.

would be interesting to see if anyone have done this, what to cover, what to avoid, power wash or not, what de-greasers to use etc.
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Old Mar 15, 2017 | 11:23 PM
  #2  
ldotmurray's Avatar
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Joined: May 2015
Posts: 31
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2003 Black E320
I've cleaned my engine bay several times. When doing general cleaning I leave the engine cover on. I use plastic grocery bags to cover the alternator. I hose down the engine. I spray degreaser and agitate with brushes. Then rinse. After rinsing I remove the bags and start the truck. After a few minutes I turn off the vehicle and spray an engine shine and wipe everything down. I have done this with all of my vehicles and some customers' as well. Never a problem.
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Old Mar 24, 2017 | 03:24 AM
  #3  
DrX's Avatar
DrX
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Joined: Mar 2002
Posts: 282
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From: Brisbane, Australia
2002 ML320, 2003 A160
If you enjoy dealing with multiple misfires and spending $$$ on new coil packs, then go ahead and power-wash your engine. Like this owner did:
http://www.benzworld.org/forums/w163...l#post15654090

I don't see why you need to get the engine so clean anyway. Are you planning to grill on it?
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