83.00_135 PDF

A service bulletin that outlines the procedure for cleaning the HVAC foam in various Mercedes-Benz models. It provides detailed instructions on how to operate the vehicle's air conditioning system to prepare for cleaning, including running the A/C and setting it to specific settings. The document includes warnings and diagrams guiding the process, such as removing certain components, drilling a hole for access, and using specific cleaning tools. It emphasizes the replacement of the cabin filter after the procedure and lists the evaporator core cleaner as a necessary component.