HEAT EXCHANGER GROUP BUY - E55, SL55, CLS55
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Junior Member
Joined: Mar 2014
Posts: 46
Likes: 0
From: Rancho Cucamonga
2005 E55
Before installing it my IATs hovered around 25-30 degrees above ambient, afterwards I see 15-20 above ambient. These are crusing on the freeway numbers in 85-95 degree heat running an 80mm FSP. The only change was installing this HE. Also recovery times are drastically improved but I did not log any of that so I don't have any numbers tho throw out.
Last edited by SoCal55k; Aug 31, 2015 at 11:32 AM. Reason: Left out further explanation
Senior Member
Joined: Aug 2015
Posts: 453
Likes: 50
From: East Coast, USA
Mercedes CLS 55 AMG
Before installing it my IATs hovered around 25-30 degrees above ambient, afterwards I see 15-20 above ambient. These are crusing on the freeway numbers in 85-95 degree heat running an 80mm FSP. The only change was installing this HE. Also recovery times are drastically improved but I did not log any of that so I don't have any numbers tho throw out.
I'll add for reference: Engine temp is 190-195f. and transmission sits at 175-180f.
0-80 pull at nearly full throttle sends my IAT up to 102-105, and in 30 seconds its back into 95~f range, and then a minute later 90~f (coming off STAR monitoring).
Last edited by equitiesguy; Aug 31, 2015 at 12:05 PM.
Senior Member
Joined: Aug 2015
Posts: 453
Likes: 50
From: East Coast, USA
Mercedes CLS 55 AMG
IAT shouldn't ever be above 100f except after a pull.
Junior Member
Joined: Mar 2014
Posts: 46
Likes: 0
From: Rancho Cucamonga
2005 E55
There's something wrong with your car then. With stock setup on my CLS55, I'm running IAT of 10f over ambient (85f) in high Florida humidity mid-summer with the newer Bosch 010 pump installed.
I'll add for reference: Engine temp is 190-195f. and transmission sits at 175-180f.
0-80 pull at nearly full throttle sends my IAT up to 102-105, and in 30 seconds its back into 95~f range, and then a minute later 90~f (coming off STAR monitoring).
I'll add for reference: Engine temp is 190-195f. and transmission sits at 175-180f.
0-80 pull at nearly full throttle sends my IAT up to 102-105, and in 30 seconds its back into 95~f range, and then a minute later 90~f (coming off STAR monitoring).
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Former Vendor of MBWorld
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From: Houston
2003 W211 E55, 2003 W220 S600
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From: New Zealand
I bought one from Shardul a few months ago. Very easy to install. There are some great instructions by bbirdwell and I added a couple of pointers as well from my experience but not having to drill anything or worry about the oil cooler definitely makes this a great choice.
