K&N air filter is it worth it?

lopez

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Joined
Jul 26, 2014
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Devon
Your Mercedes
CLS 500 c218/CLS 350cdi c218
Hi All,

Service due on my CLS500(c218) and I was wondering if it is worth to put k&n air filters on. What are real benefits? Sound, power, fuel efficiency, anything?
Thanks in advance.

lopez
 

AndySlade

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Oct 7, 2012
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Location
Tadley, Hampshire
Your Mercedes
C220 Diesel Estate, Sports Edition
The oil you use on the K&N’s can be detrimental to sensors in the intake tract. Stick with MB paper air filters. Only time a non paper filter would give advantages would be where the paper type could get very wet and possibly distintegrate like an off road vehicle.
 
OP
L

lopez

New Member
Joined
Jul 26, 2014
Messages
8
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3
Location
Devon
Your Mercedes
CLS 500 c218/CLS 350cdi c218
  • Thread Starter
  • Thread starter
  • #5
Thanks!
 

rf065

Senior Member
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May 30, 2007
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Location
Grossbritannien
Your Mercedes
SLC300 - C250d Estate 4 Matic & Z900rs
The oil you use on the K&N’s can be detrimental to sensors in the intake tract.
I fitted 4 of them to a Honda CB750 many years ago, I'd oiled them far too liberally, for the next few hundred miles the bike smoked like a 2 stroke, never noticed any benefits either.
 

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