F/S: Renntech Carbon Fiber Airbox - M113 - C55/CLK55 etc.
These airboxes do make about 10 to 15 whp. Check out my thread (linked below) with my dyno comparison to the stock C55 airbox. Includes 2 K&N filters with approx 5,000 miles on them. There are other board members who have done similar comparisons and the improved performance has been replicated each time.
Looking for local pickup, but if I can't find anyone who can pick up, then I'll ship at buyer's cost.
Asking $800--please let me know if there are any questions.
Thanks
https://mbworld.org/forums/c32-amg-c...ch-airbox.html
A couple pics. This is my actual car.

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Looks to me like it would fit any NA M113... Does the CLK have hood clearance issues or is it maybe the firewall?