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This might sounds like a weird topic but I am trying to wrap my head around what the 2 intercoolers on either side of the car ( visible right below the headlights do ) actually do in the C63s. Initially I thought the intercoolers' job was to cool the hot air getting out of the turbos and into the engine. But apparently the two intercoolers on the C63s / Coupe are there to cool the transmission oil. So I started reading about the 9G Transmission ( since it will be standard in the facelift ) and this is what I found on page 44 : http://documents.epfl.ch/users/f/fr/...002_002_en.pdf
This document shows that the intercooler actually cools the Transmission oil directly but sucking it without the using any kind of coolant , but when I check C63s photos, I can clearly see the Intercooler Coolant reservoir just behind the air intake.
So my questions are :
1.If the intercoolers are responsible for cooling the transmission oil directly then what's the point of having the Intercooler coolant fluid ?
2.if the Intercooler are responsible for cooling the transmission then how is the air getting into the engine cooled ?
Thank you .
Last edited by Neapolis; May 15, 2018 at 06:10 PM.
This might sounds like a weird topic but I am trying to wrap my head around what the intercoolers actually do in the C63s. Initially I thought the intercoolers' job was to cool the hot air getting out of the turbos and into the engine. But apparently the two intercoolers on the C63s / Coupe are there to cool the transmission oil. So I started reading about the 9G Transmission ( since it will be standard in the facelift ) and this is what I found on page 44 : http://documents.epfl.ch/users/f/fr/...002_002_en.pdf
This document shows that the intercooler actually cools the Transmission oil directly but sucking it without the using any kind of coolant , but when I check C63s photos, I can clearly see the Intercooler Coolant reservoir just behind the air intake.
So my questions are :
1.If the intercoolers are responsible for cooling the transmission oil directly then what's the point of having the Intercooler coolant fluid ?
2.if the Intercooler are responsible for cooling the transmission then how is the air getting into the engine cooled ?
Thank you .
There are 2 inter coolers to cool the intake air to the engine and a separate transmission oil cooler to keep the oil in the trans at an appropriate temp. the trans oil in pumped to a radiator up front and cooled.
There are 2 inter coolers to cool the intake air to the engine and a separate transmission oil cooler to keep the oil in the trans at an appropriate temp. the trans oil in pumped to a radiator up front and cooled.
can you please tell me where the transmission cooler is located in the C63 w205 ?
can you please tell me where the transmission cooler is located in the C63 w205 ?
The trans cooler is at the bottom of the engine radiator and gets air to cool it up from the bottom-(horizontal). the 2 inter coolers are outboard and in a vertical plane to cool the air from the turbos before entering the engine intake ports.
The trans cooler is at the bottom of the engine radiator and gets air to cool it up from the bottom-(horizontal). the 2 inter coolers are outboard and in a vertical plane to cool the air from the turbos before entering the engine intake ports.
that's what i thought too . But if you check this video of shmee at minute 8:54 , having to deal with a broken intercooler ( https://youtu.be/zPeKk2tsUKE ) he says the one on the right is actually responsible for the tran cooling . So that leaves the left one for engine air cooling and no inter cooler on the engine radiator ? It's a GT R but i think the set up is identical to that of the c63 since the engines are so similar.
that's what i thought too . But if you check this video of shmee at minute 8:54 , having to deal with a broken intercooler ( https://youtu.be/zPeKk2tsUKE ) he says the one on the right is actually responsible for the tran cooling . So that leaves the left one for engine air cooling and no inter cooler on the engine radiator ? It's a GT R but i think the set up is identical to that of the c63 since the engines are so similar.
No each side has a seperate inter cooler.
You can look and see the inlet to the air box with filter and out to turbo and down to the inter cooler and then to the manifold feeding the intakes--Google it and see some pics with the engine alone with all inter coolers etc
No each side has a seperate inter cooler.
You can look and see the inlet to the air box with filter and out to turbo and down to the inter cooler and then to the manifold feeding the intakes--Google it and see some pics with the engine alone with all inter coolers etc
So if the left and right side air dams are the heat exchangers for the turbo intercoolers what's the vertical cooler that sits in front of the radiator look after?
On my car this centre vertical cooler is puntured and empties out the small reservoir in front of these turbos.
The above diagram in the video video does not show that the intercooler system is connected to the centre vertical or small horizontal coolers.
From memory the small horizontal cooler is for the transmission so what is so what is the vertical cooler for???
Or, are all the heat exchangers plumbed together to this one reservoir?
The first cooling circuit is like any other car and uses the large main radiator/heat exchanger sitting behind the center grille. This is your normal coolant that cools the engine like any other car. It ties into the large coolant reservoir up front on the passenger side.
The second circuit is your engine oil cooler. This circuit runs through the long, thin heat exchanger that is in front of and below the main radiator. This is the heat exchanger that is exposed under the car. My understanding is this is an air-to-oil cooler that doesn't have coolant running through it.
The third circuit is the intake air coolers and transmission cooler. For whatever reason these two work off the same cooling circuit. The intake heat exchangers are the two coolers on the left and right side of the front. Each cools air for the corresponding intake side of the engine. The transmission heat exchanger is an element within the main radiator. It looks like one large unit, but it has seperate elements for the main cooling needs and the transmission needs. The intake coolers and the transmission coolers all tie into the same coolant circuit that uses both the reservoir on top on the engine and one located directly below it.
The first cooling circuit is like any other car and uses the large main radiator/heat exchanger sitting behind the center grille. This is your normal coolant that cools the engine like any other car. It ties into the large coolant reservoir up front on the passenger side.
The second circuit is your engine oil cooler. This circuit runs through the long, thin heat exchanger that is in front of and below the main radiator. This is the heat exchanger that is exposed under the car. My understanding is this is an air-to-oil cooler that doesn't have coolant running through it.
The third circuit is the intake air coolers and transmission cooler. For whatever reason these two work off the same cooling circuit. The intake heat exchangers are the two coolers on the left and right side of the front. Each cools air for the corresponding intake side of the engine. The transmission heat exchanger is an element within the main radiator. It looks like one large unit, but it has seperate elements for the main cooling needs and the transmission needs. The intake coolers and the transmission coolers all tie into the same coolant circuit that uses both the reservoir on top on the engine and one located directly below it.
So installing a interchiller will it replace the main one or two separate ones ?
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