Hello and Congratulations on your SL320. I have a 96 SL320. The cabin filter is located right under the hood between the mono-wiper and the firewall behind the engine. You will see a black cover with two big phillips screws in it. Take the screws out and then there are 3 little clips in the front, pop those off with a flathead and the filter is right underneath! Keep the filter clean and it will prolong the life of your blower motor. Happy Benzing!

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Brian W. Heitman

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