SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: Sl65 Heat Exchanger in frontspoiler

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Old 02-28-2009, 07:58 AM
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SL65 AMG, X5-4.8i M-Sport, 530D, 528i
Sl65 Heat Exchanger in frontspoiler

On my 2005 SL65-AMG there is an HE (heat Exchanger) located in the right hand side of the front spoiler, including a FAN in front of it! Anybody know what’s that for?
(I’ve searched the forum, but no luck!).
Old 02-28-2009, 08:10 AM
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Sounds like the additional engine-oil cooler.
Old 02-28-2009, 08:15 AM
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new balance
Originally Posted by sprins
Sounds like the additional engine-oil cooler.
+1
Old 02-28-2009, 08:51 AM
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civic
maybe its an Engine oil cooler!!
Old 02-28-2009, 11:31 AM
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2005 Crossfire SRT-6
It is an engine oil cooler.............I have one sitting on my shelf in my garage.
Old 02-28-2009, 12:33 PM
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Thank you, moparrburst - I like precise answers!
Old 02-28-2009, 09:15 PM
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05 E55, 07 SL65, 06 S4
Originally Posted by RNSL65
On my 2005 SL65-AMG there is an HE (heat Exchanger) located in the right hand side of the front spoiler, including a FAN in front of it! Anybody know what’s that for?
(I’ve searched the forum, but no luck!).
It's the transmission oil cooler - the engine oil cooler is all the way in front of the radiator/condenser/intercooler stack and vents to below the nose of the car
Old 03-01-2009, 03:05 AM
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SL65 AMG, X5-4.8i M-Sport, 530D, 528i
Just to make everything clear, I'm aware of the engine oil cooler ,the long low one, in front of the low temperature cooler (for intercoolers), air-condition cooler and the engine heat cooler.
I’m asking for a small cooler located behind the front spoiler and in front of the right front tire, with air ducts leading cold air from the front spoiler and warm air leads out from he side of the spoiler in front of the right front tire. This spoiler is standard on the Sl65 but not on the SL55!
Transmission oil cooler sounds more reasonable to me – anybody else?
Old 03-03-2009, 06:57 PM
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It's an additional engine-oil cooler. The SL55 with 030 package also have it.
Old 03-03-2009, 07:45 PM
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05 E55, 07 SL65, 06 S4
Originally Posted by sprins
It's an additional engine-oil cooler. The SL55 with 030 package also have it.
Seems to be a logical conclusion, except when you notice that every E55 has the exact same aux cooler (and probably every SL55) I know it looks strange when you consider there is no air extraction behind the cooler - go figure!

BTW - the Audi S4 has one of these coolers on each side - and no air extraction!



I stick with the trans cooler
Old 03-03-2009, 08:03 PM
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'03 SL55
If it's this one, it's a cooler for the ABC system. Don't know about all SL55s but my 2003 has one.
Attached Thumbnails Sl65 Heat Exchanger in frontspoiler-abc_cooler.gif  
Old 03-03-2009, 08:36 PM
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Additional...............ENGINE OIL COOLER



Old 03-04-2009, 01:47 AM
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05 E55, 07 SL65, 06 S4
Thanks - that is indeed very interesting.

Why did you remove this cooler?
Old 03-04-2009, 10:42 AM
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Look at the picture in my signature. You see the air-out in the front bumper? Well, that's for an oil cooler that takes air-in from the front of the bumper. It's part of the 030 package that is available for the SL55, and that bumper is standard on the SL65. There is a fan connected to that cooler in that right-front corner of the bumper. That cooler/heat-exchanger is AN ADDITIONAL OIL COOLER FOR THE ENGINE OIL.
Old 03-04-2009, 11:01 AM
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Thanks!
Old 03-04-2009, 09:30 PM
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Originally Posted by CA_E55
Thanks - that is indeed very interesting.

Why did you remove this cooler?

It was damaged....................but is still perfectly useable.
Old 06-21-2021, 06:54 PM
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SL55
Originally Posted by sprins
Look at the picture in my signature. You see the air-out in the front bumper? Well, that's for an oil cooler that takes air-in from the front of the bumper. It's part of the 030 package that is available for the SL55, and that bumper is standard on the SL65. There is a fan connected to that cooler in that right-front corner of the bumper. That cooler/heat-exchanger is AN ADDITIONAL OIL COOLER FOR THE ENGINE OIL.

is there a baffle or air deflector plate that channels the air through the slots or fins on the bumper? If so, would you happen to know the part number for that baffle?

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