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Decided to change out the filters on the C300 last week with the K&N version from Advance Auto Parts.
Install took me about 10 minutes and first impression is the throttle feels more lively. I didn't reset the shift points or anything but I feel it's a little more lively throughout the power band.
So for $78 with the 20% off coupon I feel like it's a good addition even though it might be all in my head.
Last edited by muskaroxs; May 19, 2014 at 09:46 AM.
Decided to change out the filters on the C300 last week with the K&N version from Advance Auto Parts.
Install took me about 10 minutes and first impression is the throttle feels more lively. I didn't reset the shift points or anything but I feel it's a little more lively throughout the power band.
So for $78 with the 20% off coupon I feel like it's a good addition even though it might be all in my head.
A few years back, I put the K&N filter on my W208. Driving around I do not see anything different (power or mileage), the 2nd weeks, the CEL come on, my mechanic said : BAD MAF SENSOR. I guessed the oil in the K&N made the sensor dirty. Before I replace the MAF SENSOR (almost $200.00), I stop by Chief auto parts store, buy a can of MAF cleaning fluid, I clean the MAF sensor, have it dry overnight, put it back the next day, I also took the K&N out, put back the paper filter. No more CEL. Never look back, never use K&N again but ONLY OEM filters. You feel your car "more lively" that's in your head. You should do a dyno BEFORE & AFTER be sure it "more lively" NOT by the seat of the pant. MB is a very complex & sophisticated car (in engine management wise), I do not want to spend a lot of money to fix a problems (causing by myself) while the car is running fine. I believe MB is tuned to the MAX for each model (C300, C350 & performance C63 AMG for W204), take the pick to your driving style before buying the car, rather UPGRADE the power like most Japanese cars. It would not help you wallet .
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