Mercedes Benz Cabin Air Filter Replacement W176, W246, C117, X156, A Class, B Class, CLA, GLA Class

I replaced the cabin air filter because each time I turned on the A/C, a foul smell was coming out in the beginning. The OEM replacement part number is: MERCEDES-BENZ A2468300118 I used a FI.BA Filter part: CF-220/C Applications: For Infiniti Q30 2015+, QX30 2016+ Mercedes A-Class 2012+, B-Class 2011+, CLA 2013+, GLA 2013+ This filter Replaces COOPERSFIAAM PCK8371 HENGST E2993LC KNECHT/MAHLE LAK 879 MANN + HUMMERL CUK 26007 PURFLUX AHC402 I used Dynamax DXT8 A/C Cleaner. It did the job, but the instructions were not very clear.