MercedesDad

Hi guys, interesting thread. I have two questions as I am looking for minor performance upgrades for my 2010 ML63:

1. What is the purpose of the famous charcoal filters?

2. What would be the purpose of removing them?

I have seem a decent amount of comments with or without CEL lights going off. Is it worth the hassle after all?

Hoping for some feedback with true facts. Thank you in advance!

natman316

no performance gain for me at all...didnt notice it get any louder either, but when i took my car to the track (c63s are notorious for over heating on the track), I think my car ran a little cooler(more air getting in maybe?) and didnt over heat like the last time I went. although I did do a OE tune and secondary cat delete as well so I cant tell if it is purely the CF delete

Sidv22

i switched to afe filters couple of days ago and my butt dyno does not feel any gain at all. maybe the engine breathes a little better now but doesnt translate into better performance on the street and no improvement in sound either.

MercedesDad

Interesting point. The OE tune might be the one to give credit for the better performance of the C63. I used to own one before my ML63 and remember it always run a tad warm.

MercedesDad

Thank you for the input! Just as I suspected. I might leave the filters alone for right now and maybe go the "resonator delete" route. It might not provide HP gain but at least it will make the engine sound the way those AMG engineers wanted it to. I miss the bark of the C63.

khmergod

I've been doing lots of research on all mods I've planned on. Heard horror stories on faulty filters and not warranteed by mb. Is 10 HP worth headaches and a giant repair bill? Safest bet is to get row airboxes for ~$500. This is solely my opinion.

MercedesDad

You've got my attention, what are ROW boxes?

crazy1eye

Rest Of World. No charcoal filters, probably why those models are rated at 457hp in stead of 451hp

khmergod

And slightly larger induction. Very small increase, but still.

MercedesDad

Can the ROW airbox be ordered thru the dealer?

princealidds

I just installed the age dry filters (charcoal delete was done.months ago already) but for some.odd reason the beast doesn't have the bark it did before??? Any ideas? Or as I put more.miles it will return...... thanks!