Charcoal Filter airflow direction?

mikemillen

Active Member
Joined
Feb 2, 2013
Messages
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Location
Bognor Regis
Your Mercedes
W220 S500 LWB 2004 (facelift)
Yesterday I changed the charcoal filters on my W220 S500.

The filters I removed were Purflux (AHC394-2) and the airflow arrows printed on them pointed toward the passenger door.
The new filters are UFI (54.141.00) and the airflow arrows pointed towards the centre of the car.

Both these filters are listed as equivalent to each other and to the MB part number.

I can only assume that the Purflux filters were incorrectly marked... certainly one of them was!

I *think* the airflow is towards the centre, but I'd like confirmation, please.

Thanks,
Mike
 


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