S 350 (140.134) L6-3.5L DSL Turbo (603.971) (1995)
Cabin Air Filter: Service and Repair
Replacing Activated Charcoal Filter
Filter Replacement Interval
Every 60,000 miles or:
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Every 30,000 miles of frequent vehicle operation in heavily contaminated environments (severe operating conditions).
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In case customer requests replacement due to personal health interests.
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In case of excessive filter contamination with resulting loss of efficiency and or continuous odor.
NOTE: The activated charcoal filter cannot be cleaned.
Filter Replacement Procedure
Model 140 with Code (306a) Activated Charcoal filter (Odor Filter):
3 Phillips head screw
1 Vacuum connection
1. Remove windshield wiper assembly
2. Cover dust filter.
3. Remove windshield wiper bearing. Use special tool 140 589 00 07 00
4. Remove 4 screws and remove water collector.
5. Remove phillips head screws (3) and remove cover.
6. Remove 5 screws and remove cover (inside heater housing).
7. Apply vacuum to the pneumatic seal of active charcoal filter. Use special tool 201 589 13 21 00.