Just curious, what type of air filter were you going to buy at this auto parts store? I don't know of any chain auto parts stores that sell any of the OEM filters for Mercedes.
1994 MB E320 Coupe (199,500 mi)
1992 MB 190E 2.6 (173,000 mi)
1983 Porsche 911SC (148,000 mi)
2004 Volvo V70 2.5T (198,000 mi)
President of CT/Westchester Section