180F Thermostat and Thermal intake gasket worth it?
A quick google search led me to this site, perhaps an alternative to the mhp piece- https://www.mishimoto.com/mercedes-b...2008-2012.html
good price alternative to the mhp unit which is $400 whereas this is $60.
Looking for some input, if its even worth changing the oem thermostat or if will make a difference, and reliability as well especially since i have the blower now. i don't mind my car being the guinea pig for this experiment!
Last edited by akmatic63; Aug 19, 2016 at 11:52 PM.




Was also thinking about the placement of the IAT sensor, which is currently on the back of the intake. I'm about to take off my intake manifold and finally put on the Sikky phenolic gaskets I've had sitting here for 6mo - hopefully this weekend if I can find the time. One of the early MHP posts on the C63 upgrade path had a stage with relocation of this sensor to the intake air snorkels. The reasoning is that the air is hot by the time it gets to the OE placement, and moving it up front will register cooler temps and run a richer AFR and advanced timing. Wondering if anyone has had any success doing this?
And yes I believe the thermostat is held into the housing with a spring clip so just remove it and replace with that t stat....keep us posted if you do run it
As far as moving the iat sensor to adjust the afr and timing why not just adjust the tune and if you are already tuned I would worry you may be run into some issues
http://www.m5board.com/vbulletin/e39...elocation.html
http://www.m5board.com/vbulletin/e39...maf-wires.html




http://www.m5board.com/vbulletin/e39...elocation.html
http://www.m5board.com/vbulletin/e39...maf-wires.html
Ordered new t-stat and will get a new IAT sensor also. More projects yay.
The Best of Mercedes & AMG
80% of all under hood engine bay head comes from the exhaust manifold, 15% from radiator heat, 5% radiating off the engine itself.
All you have to do to drastically improve the cooling is get your headers ceramic coated... And I mean REAL ceramic coating, not that bull**** black paint that come with the most headers. That's just mismarketed gimmick ceramic based paint (which actually has no real heat insulating properties)
Jet Hott is decent but only blocks about half the heat, swaintech white lightening is by far the best coating on the market, and is so good roughly an inch off the headers is almost room temp.
Trying to isolate heat from the intake is a waste of time, solve the problem at the source (exhaust manifold)
Last edited by ML63 AMG; Aug 20, 2016 at 05:20 PM.
80% of all under hood engine bay head comes from the exhaust manifold, 15% from radiator heat, 5% radiating off the engine itself.
All you have to do to drastically improve the cooling is get your headers ceramic coated... And I mean REAL ceramic coating, not that bull**** black paint that come with the most headers. That's just mismarketed gimmick ceramic based paint (which actually has no real heat insulating properties)
Jet Hott is decent but only blocks about half the heat, swaintech white lightening is by far the best coating on the market, and is so good roughly an inch off the headers is almost room temp.
Trying to isolate heat from the intake is a waste of time, solve the problem at the source (exhaust manifold)
Last edited by mthis; Aug 21, 2016 at 10:11 AM.
Interested to hear your opinions.
When my LTH arrive, I will definitely send them for ceramic coating before I install them.
Was also thinking about the placement of the IAT sensor, which is currently on the back of the intake. I'm about to take off my intake manifold and finally put on the Sikky phenolic gaskets I've had sitting here for 6mo - hopefully this weekend if I can find the time. One of the early MHP posts on the C63 upgrade path had a stage with relocation of this sensor to the intake air snorkels. The reasoning is that the air is hot by the time it gets to the OE placement, and moving it up front will register cooler temps and run a richer AFR and advanced timing. Wondering if anyone has had any success doing this?
I had full exhaust, cams, CNC ported heads etc.
I relocated the IAT sensor from the standard position to directly in the air flow stream at the front of the car. Using torque I noticed considerable drops in the IAT across the board.
At the drags, my car would suffer badly from heat soak and pull timing from standing in the que.
With the IAT relocation, I was not pulling timing after waiting in the que.
I would only do this if your tuner is aware.








Also looks like you be getting yours put on way sooner, let us know how it is and if you notice temp changes with the tstat!


