Bosch C3893WS Cabin Air Filter

Bosch Cabin Filter for Mercedes-Benz

Bosch C3893WS is an activated carbon cabin air filter built for Mercedes-Benz SUVs and crossovers from the 2006-2013 model years. It uses a multi-layer design to help reduce outside odors and airborne contaminants entering the HVAC system, supporting cleaner air inside the cabin.

Key Features

• Activated charcoal filter media for odor reduction
• 5-layer construction with an added carbon layer and protective cover layer
• OEM standard part design for direct replacement service
• Helps absorb ozone, nitrogen oxide, sulfur dioxide, and hydrocarbons
• Fits Mercedes-Benz R350, GL350, GL450, GL550, ML350, ML450, ML550, ML63 AMG, GL320, ML320, R320, ML500, R500, and R63 AMG applications
• Recommended replacement interval: 12,000 miles

Product Details

The Bosch Cabin Filter, Activated Carbon line is engineered for drivers who want a service replacement that addresses both particulate filtration and odor control. Part number C3893WS uses activated charcoal media and a foam-based construction to help capture common cabin air pollutants while the carbon layer works to reduce unpleasant exhaust and roadway odors. For Mercedes-Benz R350 and ML350 cabin filter service, as well as GL450 and GL550 HVAC maintenance, this Bosch C3893WS filter provides an OE-standard fitment approach.

Compatible With 2006-2013 Mercedes-Benz R350, 2010-2012 Mercedes-Benz GL350, 2007-2012 Mercedes-Benz GL450, 2008-2012 Mercedes-Benz GL550, 2006-2011 Mercedes-Benz ML350, 2010-2011 Mercedes-Benz ML450, 2008-2011 Mercedes-Benz ML550, 2007-2011 Mercedes-Benz ML63 AMG, 2007-2009 Mercedes-Benz GL320, 2007-2009 Mercedes-Benz ML320, 2007-2009 Mercedes-Benz R320, 2006-2007 Mercedes-Benz ML500, 2006-2007 Mercedes-Benz R500, and 2007 Mercedes-Benz R63 AMG.

Common Issues This Filter Can Address

• Persistent cabin odors from traffic, exhaust, or roadside pollutants
• Reduced HVAC air freshness during daily driving
• Dust and airborne debris entering the passenger compartment
• Service intervals overdue on Mercedes-Benz cabin air filtration
• Loss of odor-control performance in the factory-style cabin filter

Installation Notes and Tips

Replace the cabin air filter according to the vehicle service schedule or sooner in dusty or high-traffic driving conditions. Verify the filter dimensions and housing orientation before installation, and inspect the HVAC intake area for debris during service. For Mercedes-Benz ML350, GL450, and R350 cabin filter replacement, follow the vehicle-specific access procedure in the service manual.

Quality Assurance

Bosch cabin filters are built to OEM-standard specifications and use a multi-layer filtration design focused on cabin air quality and odor reduction. Part number C3893WS is designed for service replacement on the listed Mercedes-Benz applications.