Finally removed the charcoal filter
Thread Starter
Member
Joined: Nov 2008
Posts: 101
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From: Calabasas, CA
CLK63 BS, Panamera, Prius, Mini Cooper S
Finally removed the charcoal filter
I was not expecting much but I highly recommend this if you have not done this already. The throttle feels smoother/more responsive and definitely a noticeable gain in power. I am losing traction a little more readily as compared to before the removal.
Thinking of putting in the BMC filters next. If there is similar improvement as the charcoal filter removal, I would be very happy.
One interesting effect I noticed while normal(slow) driving is that the exhaust sound seems to have gotten a little smoother/quieter. Not too sure about this though. It could be because I am giving it less gas to get similar power as before.
Thinking of putting in the BMC filters next. If there is similar improvement as the charcoal filter removal, I would be very happy.
One interesting effect I noticed while normal(slow) driving is that the exhaust sound seems to have gotten a little smoother/quieter. Not too sure about this though. It could be because I am giving it less gas to get similar power as before.
Thread Starter
Member
Joined: Nov 2008
Posts: 101
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From: Calabasas, CA
CLK63 BS, Panamera, Prius, Mini Cooper S
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Joined: Oct 2007
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From: Manassas, VA
10 Cayenne GTS, 07 Porsche 911 Turbo
I was not expecting much but I highly recommend this if you have not done this already. The throttle feels smoother/more responsive and definitely a noticeable gain in power. I am losing traction a little more readily as compared to before the removal.
Thinking of putting in the BMC filters next. If there is similar improvement as the charcoal filter removal, I would be very happy.
One interesting effect I noticed while normal(slow) driving is that the exhaust sound seems to have gotten a little smoother/quieter. Not too sure about this though. It could be because I am giving it less gas to get similar power as before.
Thinking of putting in the BMC filters next. If there is similar improvement as the charcoal filter removal, I would be very happy.
One interesting effect I noticed while normal(slow) driving is that the exhaust sound seems to have gotten a little smoother/quieter. Not too sure about this though. It could be because I am giving it less gas to get similar power as before.
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Joined: Jul 2007
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08 SL55
Thought I read somewhere there is ~12 bhp after removing the charcoal filters? Perhaps someone might verify....
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From: Mid Atlantic
CLK BS
The actual gain is probably 3 hp...do a search, it's been covered before.
TPS reset:
1. get in car, close all doors
2. turn the key to ON position (but don't start!), then press the gas pedal all the way in for 5 seconds
3. keep gas pedal in while turn the key to off. THen take foot off gas, and wait for 2 minutes.
4. restart the car.
THere's some claim that this resets the throttle position, along the same line as resetting the ECU. However, I drove the car again today, not much difference. Also, it's been said that the ECU is quite powerful and learns / adjusts to your driving style. If you drive harder it'll responds better.
Seat of pants couldn't tell much difference, but the transmission seems more eager to kick down with any light thump on the throttle.
TPS reset:
1. get in car, close all doors
2. turn the key to ON position (but don't start!), then press the gas pedal all the way in for 5 seconds
3. keep gas pedal in while turn the key to off. THen take foot off gas, and wait for 2 minutes.
4. restart the car.
THere's some claim that this resets the throttle position, along the same line as resetting the ECU. However, I drove the car again today, not much difference. Also, it's been said that the ECU is quite powerful and learns / adjusts to your driving style. If you drive harder it'll responds better.
Seat of pants couldn't tell much difference, but the transmission seems more eager to kick down with any light thump on the throttle.
Thread Starter
Member
Joined: Nov 2008
Posts: 101
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From: Calabasas, CA
CLK63 BS, Panamera, Prius, Mini Cooper S
If you take the air boxes apart to get to the air filters, flip over the top half of the box once you've unscrewed it from the base (where the air filters are located) and you'll see the charcoal filters.
Thought I read somewhere there is ~12 bhp after removing the charcoal filters? Perhaps someone might verify....
Thought I read somewhere there is ~12 bhp after removing the charcoal filters? Perhaps someone might verify....
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Thread Starter
Member
Joined: Nov 2008
Posts: 101
Likes: 0
From: Calabasas, CA
CLK63 BS, Panamera, Prius, Mini Cooper S
The actual gain is probably 3 hp...do a search, it's been covered before.
TPS reset:
1. get in car, close all doors
2. turn the key to ON position (but don't start!), then press the gas pedal all the way in for 5 seconds
3. keep gas pedal in while turn the key to off. THen take foot off gas, and wait for 2 minutes.
4. restart the car.
THere's some claim that this resets the throttle position, along the same line as resetting the ECU. However, I drove the car again today, not much difference. Also, it's been said that the ECU is quite powerful and learns / adjusts to your driving style. If you drive harder it'll responds better.
Seat of pants couldn't tell much difference, but the transmission seems more eager to kick down with any light thump on the throttle.
TPS reset:
1. get in car, close all doors
2. turn the key to ON position (but don't start!), then press the gas pedal all the way in for 5 seconds
3. keep gas pedal in while turn the key to off. THen take foot off gas, and wait for 2 minutes.
4. restart the car.
THere's some claim that this resets the throttle position, along the same line as resetting the ECU. However, I drove the car again today, not much difference. Also, it's been said that the ECU is quite powerful and learns / adjusts to your driving style. If you drive harder it'll responds better.
Seat of pants couldn't tell much difference, but the transmission seems more eager to kick down with any light thump on the throttle.
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MBWorld Fanatic!
Joined: Jul 2007
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08 SL55
You are correct but, I think it's only one connected wire that needs to be disconnected. Can't remember for sure as I haven't done mine yet. Is it really that difficult to disconnect?
Thread Starter
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Joined: Nov 2008
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From: Calabasas, CA
CLK63 BS, Panamera, Prius, Mini Cooper S
I am sure there are tricks you can use but I was not too familiar with the process involved and did not want to chance breaking anything by using too much force in the wrong way.
I actually removed the shock tower brace and all that and removed the charcoal filter on the table, which I would not do if I had to do it again.
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CLK63 Black Series
To flip the box, the electronic sensor attachment and the air inlet attachment has to be disconnected. To disconnect the passenger side electronic sensor attachment(the driver side attachment can be taken out by accessing the top of the attachment), the box actually has to be flipped over to get to the underside of the attachment, which cannot be done unless you remove the shock tower brace.
I am sure there are tricks you can use but I was not too familiar with the process involved and did not want to chance breaking anything by using too much force in the wrong way.
I actually removed the shock tower brace and all that and removed the charcoal filter on the table, which I would not do if I had to do it again.
I am sure there are tricks you can use but I was not too familiar with the process involved and did not want to chance breaking anything by using too much force in the wrong way.
I actually removed the shock tower brace and all that and removed the charcoal filter on the table, which I would not do if I had to do it again.
Thread Starter
Member
Joined: Nov 2008
Posts: 101
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From: Calabasas, CA
CLK63 BS, Panamera, Prius, Mini Cooper S
There is no need to remove the strut tower brace. I changed my stock airbox for a carbon fiber unit with the strut tower brace in place. Just unplug the sensors for the left and right bank and loosen the clamps on the rubber intake. Only if you want to change the box the sensors have to be removed and transferred. Takes about 10 minutes.
The first time, I did not know how easy/hard it would be to loosen the charcoal filter. I did this procedure on an E60 M5 before, and on that car, you almost had to break some plastic to get the charcoal filter out as it was held in place by metal clips.
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Joined: Aug 2005
Posts: 369
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From: CT
2008 CLK 63 Black Series, 2013 G63, 2014 RS5 Coupe, 2013 JKUR 10A
I seem to recall a thread some time ago that had pictures showing how to remove the air box and filters, including screw locations and sensor removal. Maybe someone else has the same recollection or is better at doing a search.
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CLK63 Black Series
First, remove the front cover (the one that has the MB star on it) of the airbox by lifting it up. Take the plastic covers off the left and right MAF, also by lifting it up. Disconnect the plugs for the right and left MAF sensors. Driverside is easier, push down the tab in the middle of the plug and pull off at the same time. Passenger side has the tab to push down on the other side towards the intake manifold. Loosen the 2 clamps that connect the airbox to the rubber intake. Remove the 5 torx screws from each airbox and pull it off the rubber intake. Done.
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From: Vegas and Vancouver, BC
.
That sounds abour right. Brian@GT PRO just did a dyno a couple weeks ago on a C63 and gained 10 HP (forget if that was crank or wheel) from the removal of the charcoals.
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CLK Black Series
fun
I was not expecting much but I highly recommend this if you have not done this already. The throttle feels smoother/more responsive and definitely a noticeable gain in power. I am losing traction a little more readily as compared to before the removal.
Thinking of putting in the BMC filters next. If there is similar improvement as the charcoal filter removal, I would be very happy.
One interesting effect I noticed while normal(slow) driving is that the exhaust sound seems to have gotten a little smoother/quieter. Not too sure about this though. It could be because I am giving it less gas to get similar power as before.
Thinking of putting in the BMC filters next. If there is similar improvement as the charcoal filter removal, I would be very happy.
One interesting effect I noticed while normal(slow) driving is that the exhaust sound seems to have gotten a little smoother/quieter. Not too sure about this though. It could be because I am giving it less gas to get similar power as before.
Thread Starter
Member
Joined: Nov 2008
Posts: 101
Likes: 0
From: Calabasas, CA
CLK63 BS, Panamera, Prius, Mini Cooper S
Well, after the BMC filter, which I have not done yet, I am thinking of spacers to push the wheels out a little(10 -12mm) and maybe lower the car ~1 inch.
After that I think I will be pretty much done. Do not want to go the route of reflashing the ecu and exhaust yet.
After that I think I will be pretty much done. Do not want to go the route of reflashing the ecu and exhaust yet.
