Quote:
Originally Posted by MB-Dude
WOW - 131K is lot for the cabin filter. I change mine every 30K (SL's and ML) and they are pretty dirty, even then. In some cases, they look worse than the engine air filter, though I'm not sure why.
Cheers,
Jeff
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I just did mine this afternoon, about 40k on the cabin filter and 20k on the air filter, and the cabin filter was definitely the dirtier of the 2. Grayer with leaves falling out all over the floor.
I'd say 30k is really the max I'd want to go on either of these 2.