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Part #: C3870WS

Bosch C3870WS Cabin Air Filter

Cabin Filter, Activated Carbon
⚙️ 68 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Cabin Filter, Activated Carbon
🚗Fitment: Chrysler and Mercedes-Benz, Crossfire, SLK230, SLK32 AMG, SLK320, CLK320, CLK430, CLK55 AMG, C230, C280, C43 AMG, C36 AMG, and C220
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Overview of Bosch Cabin Filter C3870WS

The Bosch Cabin Filter, Activated Carbon C3870WS is designed to improve air quality inside your vehicle by filtering out odors and contaminants. This activated charcoal cabin air filter is compatible with select Chrysler and Mercedes-Benz models, including the C36 AMG, C43 AMG, and Crossfire.

  • Activated charcoal filter media for enhanced odor removal
  • OEM standard part ensuring reliable fit and performance
  • Dimensions: 8.74 inches width x 2.13 inches height
  • Foam automotive material for durability and effective filtration
  • Recommended replacement interval of 12,000 miles

About the Bosch Cabin Filter, Activated Carbon Line

The Bosch Cabin Filter, Activated Carbon product line focuses on providing cabin air filters that incorporate activated charcoal media to reduce odors and improve air quality inside the vehicle. The C3870WS is part of this line, offering a charcoal pre-filter designed specifically for odor removal while maintaining OEM standards for fit and filtration efficiency.

Detailed Product Description

The Bosch C3870WS cabin air filter uses activated charcoal filter media combined with foam material to effectively trap airborne particles and neutralize odors inside the cabin. This charcoal-type cabin filter is engineered as an OEM standard part, ensuring compatibility and performance for vehicles such as the Mercedes-Benz C220, CLK55 AMG, and Chrysler Crossfire. The filter measures approximately 8.74 inches in width and 2.13 inches in height, fitting precisely into the designated HVAC filter housing. It includes an activated carbon pre-filter layer specifically designed to remove unpleasant odors, enhancing the driving environment.

Applications and Problem Solving

  • Reduces cabin odors caused by pollution and external contaminants
  • Filters out dust, pollen, and other airborne particles
  • Helps maintain HVAC system efficiency by preventing clogging
  • Improves air quality for drivers and passengers in Chrysler and Mercedes-Benz models
  • Supports allergy relief by reducing airborne irritants

Installation Notes and Tips

  • Replace the cabin air filter every 12,000 miles or as recommended by the vehicle manufacturer
  • Ensure the filter is installed with the correct airflow direction indicated on the filter
  • Consult the vehicle owner’s manual for specific filter access instructions
  • Wear gloves to avoid contaminating the filter media during installation

Quality Assurance and Warranty

The Bosch C3870WS cabin air filter meets OEM standards for quality and fitment, providing reliable filtration performance. Bosch products are manufactured under strict quality controls to ensure durability and effectiveness. While specific warranty details are not provided, Bosch typically supports their automotive parts with limited warranties against manufacturing defects.

BrandBosch
Part NumberC3870WS
PositionCabin Filter, Activated Carbon
Activated Carbon Pre-Filter For Odor RemovalYes
Automotive Item TypeOEM Standard Part
Automotive MaterialFoam
Cabin Filter TypeCharcoal
Cases Per Pallet (ORLY)60
Filter Media MaterialActivated Charcoal
HEPA FilterNo
Height2.125984
Previously cataloged as #C3870
Recommended Replacement Interval12000 mi
Unit(s) per Car Qty (ORLY)1
Width8.740157

This part fits 68 vehicles. Search below:

YearMakeModelPositionNotes
2008ChryslerCrossfireN/ACabin Filter, Activated Carbon
2007ChryslerCrossfireN/ACabin Filter, Activated Carbon
2006ChryslerCrossfireN/ACabin Filter, Activated Carbon
2005ChryslerCrossfireN/ACabin Filter, Activated Carbon
2004ChryslerCrossfireN/ACabin Filter, Activated Carbon
2004Mercedes-BenzSLK230N/ACabin Filter, Activated Carbon
2004Mercedes-BenzSLK32 AMGN/ACabin Filter, Activated Carbon
2004Mercedes-BenzSLK320N/ACabin Filter, Activated Carbon
2003Mercedes-BenzCLK320N/AFor blower; Cabin Filter, Activated Carbon
2003Mercedes-BenzCLK320N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2003Mercedes-BenzCLK430N/AFor blower; Cabin Filter, Activated Carbon
2003Mercedes-BenzCLK430N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2003Mercedes-BenzSLK230N/ACabin Filter, Activated Carbon
2003Mercedes-BenzSLK32 AMGN/ACabin Filter, Activated Carbon
2003Mercedes-BenzSLK320N/ACabin Filter, Activated Carbon
2002Mercedes-BenzCLK320N/AFor blower; Cabin Filter, Activated Carbon
2002Mercedes-BenzCLK320N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2002Mercedes-BenzCLK430N/AFor blower; Cabin Filter, Activated Carbon
2002Mercedes-BenzCLK430N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2002Mercedes-BenzCLK55 AMGN/AFor blower; Cabin Filter, Activated Carbon
2002Mercedes-BenzCLK55 AMGN/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2002Mercedes-BenzSLK230N/ACabin Filter, Activated Carbon
2002Mercedes-BenzSLK32 AMGN/ACabin Filter, Activated Carbon
2002Mercedes-BenzSLK320N/ACabin Filter, Activated Carbon
2001Mercedes-BenzCLK320N/AFor blower; Cabin Filter, Activated Carbon
2001Mercedes-BenzCLK320N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2001Mercedes-BenzCLK430N/AFor blower; Cabin Filter, Activated Carbon
2001Mercedes-BenzCLK430N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2001Mercedes-BenzCLK55 AMGN/AFor blower; Cabin Filter, Activated Carbon
2001Mercedes-BenzCLK55 AMGN/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2001Mercedes-BenzSLK230N/ACabin Filter, Activated Carbon
2001Mercedes-BenzSLK320N/ACabin Filter, Activated Carbon
2000Mercedes-BenzC230N/ACabin Filter, Activated Carbon
2000Mercedes-BenzC280N/ACabin Filter, Activated Carbon
2000Mercedes-BenzC43 AMGN/AFor blower; Cabin Filter, Activated Carbon
2000Mercedes-BenzC43 AMGN/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2000Mercedes-BenzCLK320N/AFor blower; Cabin Filter, Activated Carbon
2000Mercedes-BenzCLK320N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2000Mercedes-BenzCLK430N/AFor blower; Cabin Filter, Activated Carbon
2000Mercedes-BenzCLK430N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
2000Mercedes-BenzSLK230N/ACabin Filter, Activated Carbon
1999Mercedes-BenzC230N/ACabin Filter, Activated Carbon
1999Mercedes-BenzC280N/ACabin Filter, Activated Carbon
1999Mercedes-BenzC43 AMGN/AFor blower; Cabin Filter, Activated Carbon
1999Mercedes-BenzC43 AMGN/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
1999Mercedes-BenzCLK320N/AFor blower; Cabin Filter, Activated Carbon
1999Mercedes-BenzCLK320N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
1999Mercedes-BenzCLK430N/AFor blower; Cabin Filter, Activated Carbon
1999Mercedes-BenzCLK430N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
1999Mercedes-BenzSLK230N/ACabin Filter, Activated Carbon
1998Mercedes-BenzC230N/ACabin Filter, Activated Carbon
1998Mercedes-BenzC280N/ACabin Filter, Activated Carbon
1998Mercedes-BenzC43 AMGN/AFor blower; Cabin Filter, Activated Carbon
1998Mercedes-BenzC43 AMGN/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
1998Mercedes-BenzCLK320N/AFor blower; Cabin Filter, Activated Carbon
1998Mercedes-BenzCLK320N/AFresh Air Cabin Filter; Cabin Filter, Activated Carbon
1998Mercedes-BenzSLK230N/ACabin Filter, Activated Carbon
1997Mercedes-BenzC230N/ACabin Filter, Activated Carbon
1997Mercedes-BenzC280N/ACabin Filter, Activated Carbon
1997Mercedes-BenzC36 AMGN/ACabin Filter, Activated Carbon
1996Mercedes-BenzC220N/ACabin Filter, Activated Carbon
1996Mercedes-BenzC280N/ACabin Filter, Activated Carbon
1996Mercedes-BenzC36 AMGN/ACabin Filter, Activated Carbon
1995Mercedes-BenzC220N/ACabin Filter, Activated Carbon
1995Mercedes-BenzC280N/ACabin Filter, Activated Carbon
1995Mercedes-BenzC36 AMGN/ACabin Filter, Activated Carbon
1994Mercedes-BenzC220N/ACabin Filter, Activated Carbon
1994Mercedes-BenzC280N/ACabin Filter, Activated Carbon

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2108300818

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.