C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe
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C320 engine cover removal, help please

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Old May 17, 2003 | 01:35 AM
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carlssonist's Avatar
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From: DairyLand
2002 mercedes c320
C320 engine cover removal, help please

Hi, I want to change my air filter with the K&N, but I don't know how to remove the engine cover, can someone help me, please.
I have the c320.
Thanks
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Old May 17, 2003 | 02:50 AM
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P-U-L-L!
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Old May 17, 2003 | 08:51 AM
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From the front of the car, bend Waaay over into the engine bay, grab the airbox midway back on each side and pull straight up. You may have to yank it pretty good. Once you get it off, you'll see how the clips hold it in place. DON'T try to detach the front fairing from the rear first... there's no reason to do so and it's clips break easily. I broke mine (MB fixed it under warranty).

If you replace with K&Ns, let us know your impressions afterwards. Some say it will do no good, others say mileage will increase.
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Old May 17, 2003 | 11:11 AM
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From: DairyLand
2002 mercedes c320
MB-BOB, what do you mean by "mileage will increase" ?
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Old May 17, 2003 | 11:20 AM
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i have the k&n and i beleive it works much better, especially in the higher rpms and speed.

as for the cover, grab the front piece of the airbox and pull up slightly, then pull straight back, this will remove the front piece. as to the rest of the airbox, PULL straight up and it will come off.
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Old May 17, 2003 | 11:36 AM
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Don't detach front piece first!

MB-BOB is right, do not detach front piece from rest of airbox. You can pull up on it slightly to detach its clip from the engine, then grab airbox on both sides midway and pull straight up. You'll need a torx screwdriver to remove the air filters.
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Old May 17, 2003 | 10:38 PM
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Originally posted by carlssonist
MB-BOB, what do you mean by "mileage will increase" ?
I mean that some folks say the power benefit is not so noticeable, but that the fuel efficiency increases (more MPG than before). I want to learn if this is true myself, so keep some records for comparison.

And to reiterate, there is no reason to remove the front piece of the airbox. It's purely decorative and can stay attached to the main part of the airbox. There are lots of plastic clips that are easily broken if you don't know how to remove it properly, so don't bother.
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