Replacing the Recirculating Air Filter in a 1993 300SD (140134) - Step-by-Step Guide
Cabin Air Filter: Service and Repair
Recirculating Air Filter
Replacement Interval
Filter replacement is recommended every 2 years or 30,000 miles. An earlier replacement interval is recommended in areas of high dust contamination.
NOTE: The filter cannot be cleaned.
Replacement Procedure
Recirculated Air Filter
Recirculated Air Filter
1. Using a screwdriver, turn latches (arrows) 90° to left.
2. Lower cover with recirculating air filter (2).
3. Unclip recirculating air filter from the cover.
4. Open recirculating air filter housing and remove filter.
NOTE: Recirculating air filters can not be cleaned, they must be replaced.
5. Install in reverse sequence.