W211 AMG Discuss the W211 AMG's such as the E55 and the E63

How many of you actually drain the oil from the oil cooler in your M156?

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Old Dec 26, 2018 | 10:20 AM
  #51  
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The primary and secondary oil coolers, do not require removal the radiator, as they reside below and right of the radiator. But will require removal of your front bumper.
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Old Dec 26, 2018 | 04:08 PM
  #52  
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Originally Posted by Yuille36
The primary and secondary oil coolers, do not require removal the radiator, as they reside below and right of the radiator. But will require removal of your front bumper.
I’m confused now isn’t there only one oil cooler? It’s part 209-500-01-00; and looks (at least) the length of the radiator. This is the one I’m replacing at least as it has the oil drain plug under the radiator towards the passenger front wheel.
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Old Dec 26, 2018 | 04:28 PM
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Yes, but you don't have to remove your cars radiator, just the forward engine belly pan, and the front bumper to get complete access. You might be able to remove it without removing the front bumper....maybe.
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Old Dec 26, 2018 | 05:58 PM
  #54  
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Ok great, thanks for the help in figuring this out!
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Old Apr 6, 2019 | 10:25 PM
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Hello Yuille 36 Veteran AMG Brethren! I Own a 2007 Mercedes Benz S65 AMG M275.982 and I am in Need of Some Complete Perfectionist Oil Change Tips. I am Running Mobil 1 0W40 Mercedes Spec Oil New Mercedes OEM Dealership Drain Plug and Freebie Copper Washer and Now I am Reading there is Old Oil In The Oil Cooler.Do You Know Where My Oil Cooler Drain Bolt Is ?Is It Proper To Order a Brand New Drain Plug and Do YouHave The Torque Specs on Both Drain Plugs?Thanks.
Sincerely,Marco Mercedes
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Old Apr 7, 2019 | 03:30 PM
  #56  
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Originally Posted by marco_mercedes
Hello Yuille 36 Veteran AMG Brethren! I Own a 2007 Mercedes Benz S65 AMG M275.982 and I am in Need of Some Complete Perfectionist Oil Change Tips. I am Running Mobil 1 0W40 Mercedes Spec Oil New Mercedes OEM Dealership Drain Plug and Freebie Copper Washer and Now I am Reading there is Old Oil In The Oil Cooler.Do You Know Where My Oil Cooler Drain Bolt Is ?Is It Proper To Order a Brand New Drain Plug and Do YouHave The Torque Specs on Both Drain Plugs?Thanks.
Sincerely,Marco Mercedes
Marco,

The S65 oil cooler should be located in the same exact spot as every other AMG of that era. If you lift the car up on a lift, and remove the front engine belly pan, you'll see the oil cooler, just in front of and below the radiator.
The oil cooler drain plugs is located on the below right side of the cooler. Sorry, but I can't seem to locate any of my photos. But I do have old threads that has it. The copper washer is embedded, so no new washer is needed.
I don't use a torque spec, when tightening, as I don't have a torque wrench that goes that low. But I believe the correct spec is 18-20 ft/lbs. I just tighten them both down snugly by feel, and never had a oil leak. But definitely order a new crush washer for the oil pan drain bolt. Remember that you don't want to use tremendous torque on either bolt, especially the oil cooler. I just tighten it until it's tight, then turn a 1/4 turn. And that is it.

William
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Old Oct 23, 2019 | 05:20 PM
  #57  
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A little trap when checking oil level, there are two o rings on the head of dip stick which act like a plunger, forcing the oil back down the tube causing inconsistent readings.
take the o rings off and check where its at after a refill, or carefully slide in dipstick to where the o rings just touch the neck of tube and measure the difference. On mine the low mark is actually full. took me a while to work this one out!
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Old Oct 23, 2019 | 05:27 PM
  #58  
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Originally Posted by Zulututsi3
A little trap when checking oil level, there are two o rings on the head of dip stick which act like a plunger, forcing the oil back down the tube causing inconsistent readings.
take the o rings off and check where its at after a refill, or carefully slide in dipstick to where the o rings just touch the neck of tube and measure the difference. On mine the low mark is actually full. took me a while to work this one out!
The original dipstick that came on the car would show me accurate results each time I checked. It looked like a cable. The plastic on the tip cracked, which turned out to be common issue, forcing MB to come up with a newer design that looks like a flat twisted metal. This one always shows over the max for me even if I put 8quarts. I drain 9 quarts with an oil extractor and pour in the same amount. Can’t rely on the new dipstick- horrible design
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Old Oct 24, 2019 | 08:23 AM
  #59  
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AMG says that the M156 engine holds 9.2 qts, I just did an oil change two weeks ago. And poured in 9 qts and the dip stick which has a min and max indicators read full.
This was after letting the oil warm up. Now thinking about it, I should recheck the oil level again.
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Old Nov 11, 2019 | 09:54 PM
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Originally Posted by Yuille36
It so simple a cave man can do it. Just find the drain bolt, located on the lower right side of the cooler. Place a catch pan under it, and remove the drain bolt.
It uses the same metal gasket as the oil pan. Remember not to over tighten it, or you risk cracking your oil cooler.
Would I be insanely unpolited if I asked for some pictures of the exact location? As I'm far far from a tech guy - just a curious cave man which happens to care for my stuff - I'd like to be precise on the task.
On a side note, the Black Series has a couple more oil coolers... Would you recommend also draining it once in a while?
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Old Nov 12, 2019 | 04:22 AM
  #61  
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Originally Posted by Vpatriota
Would I be insanely unpolited if I asked for some pictures of the exact location? As I'm far far from a tech guy - just a curious cave man which happens to care for my stuff - I'd like to be precise on the task.
On a side note, the Black Series has a couple more oil coolers... Would you recommend also draining it once in a while?
Check out post 16. https://mbworld.org/forums/w211-amg/...hange-e63.html
The secondary oil cooler that has a cooling fan attached could also be drained, by unbolted the lower drain tube, but would require replacing the o-ring.
I don't drain this because, disconnecting the drain lines along with replacing the o-ring, could result in leaks.
Sorry, don't have any photos, but did see some on the internet awhile back. I drain the oil cooler because they contain at least a 1/2 quart of oil.
And I prefer not to have that much oil mixing with the new oil, but it's inevitable. The BS does have additional coolers, I'm pretty sure that they must have drain plugs as well.

Last edited by Yuille36; Nov 12, 2019 at 09:49 AM.
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Old Nov 12, 2019 | 02:17 PM
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i do request my friend upon oil change to also drain the oil cooler. he does this through the drain plug and NOT the hard line. I replace the aluminum washer with a new unit as I do with the oil pan drain plug every time. yes, 1/2 quart does come out.
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Old Nov 13, 2019 | 10:39 AM
  #63  
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I have heard of some members draining the old oil from the hard line of the secondary cooler. To me this is a issue, as one can pinch the o-ring there by causing an oil leak, that could go undetected. So I choose just to drain the front oil cooler and oil pan instead.

Last edited by Yuille36; Nov 18, 2019 at 08:53 AM.
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Old Jan 9, 2020 | 11:40 AM
  #64  
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has anyone found the accurate crush washers at Napa or Autozone or similar as I need to pick one up today (cannot make it to the dealer)? I quickly looked on Napa's website it shows 17mm but oem is 16mm and honestly don't know if that will make one bit of difference (guess I could try and just watch for oil seepage). Thank you
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Old Jan 9, 2020 | 11:58 AM
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I hear you.... I've never purchased crush washers from either of these auto parts store. I have however purchased crush washers from AutoHausAZ and RockAuto, and they have always been the wrong dam size.
I do prefer to buy them directly from the dealer. That way, I can be assured that I have the right part. But if Autozone sells a 16mm aluminum or copper crush washer then it should fit.

Last edited by Yuille36; Jan 10, 2020 at 10:00 AM.
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Old Jan 9, 2020 | 06:24 PM
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Purchased a bunch from Pelican Parts with filters. you are all correct in that finding the correct washer is impossible. the actual ones are aluminum and very cheap from Pelican Parts. I'm sure FCP Euro has them as well.
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Old Jan 10, 2020 | 10:06 AM
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I purchased like ten of them each for the drain plug and oil cooler from my local MB dealer.
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