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2021 C63s Engine/Cabin Air Filter Swap (OEM<K&N) DIY

Old Mar 8, 2021 | 08:45 PM
  #1  
Milap Patel's Avatar
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2021 C63s Sedan
2021 C63s Engine/Cabin Air Filter Swap (OEM<K&N) DIY

If anyone was interested I have this DIY video on swapping out OEM air filters, wait till you see what I found damaged in my brand new c63s.....

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Old Mar 9, 2021 | 02:51 AM
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I just watched the video. What are these 2 hole in the airbox for? I alway wanted to do that on my car. I had has great results with 2 hole in my Slk230 kompressor airbox. I can definitely feel the torque increase and better throttle response.
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Old Mar 9, 2021 | 09:02 AM
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Originally Posted by Milap Patel
If anyone was interested I have this DIY video on swapping out OEM air filters, wait till you see what I found damaged in my brand new c63s.....
Hwy buddy...

I would recommend using the HOOD Extenstion, when you open your hood to its stopping point, then press the red button on the drivers side arm, and it will open the hood straight up. (makes it easier to get to things more so in the back of engine bay.
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Old Mar 9, 2021 | 10:07 AM
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Originally Posted by FLC63s
Hwy buddy...

I would recommend using the HOOD Extenstion, when you open your hood to its stopping point, then press the red button on the drivers side arm, and it will open the hood straight up. (makes it easier to get to things more so in the back of engine bay.
Coo, I did not know about that extensions. I am getting my hood struts replaced as we speak...did not stay open anymore.
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Old May 24, 2021 | 07:36 AM
  #5  
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Completed an A service on my '19 C63s sedan yesterday. Picked up the car new at the end of March 2020 and put on just over 6,600 miles.

Much to my surprise, the oil filter appeared to be split along one of the pleats. There was also quite a bit of air I had to bleed out of my brake lines, resulting in me needing 2 qts of brake fluid to compete the flush. Definitely figured out why my brake pedal felt spongy and inconsistent!

Disappointing to find these defects from the factory........
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