1. Compatible vehicle models: Air filters suitable for models such as W211, W212, E320, E300, E350, E500, E550, C300, etc. The product number is 2730940404. 2. Interchangeable part numbers: 1120940604, 1120940004, A1120940604, A1120940004, 2730940204. 3. Other part numbers: 2730940404, A2730940204, A2730940404, 1130940004. 4. Type: Automotive engine air filter. 5. Compatibility: - Suitable for C - class W203/CL203 (2001 - 2007 models): C230, C240, C280, C320, C350, C55AMG. - Suitable for C - class W204 (2008 - 2014 models): C230, C250, C280, C300, C350. - Suitable for E - class W211 (2003 - 2009 models): E230, E240, E280, E320, E350, E350CGI, E500, E550. - Suitable for E - class W212/S212 (2010 - 2016 models): E300, E350, E500. - Suitable for E - class C207/A207 (2009 - 2011 models): E350, E500. - Suitable for S - class W220 (1998 - 2005 models): S280, S320, S350, S430, S500, S55AMG. - Suitable for S - class W221 (2006 - 2013 models): S280, S300, S350, S400, S450, S500, S550. 6. Only suitable for the following engine models: M112/M113/M272/M273. 7. Recommended replacement cycle: - Every half - year. - When the mileage exceeds 10,000 kilometers. 8. Dimensions: - Length: 13.97 inches (355 millimeters). - Width: 5.31 inches (135 millimeters). - Height: 1.96 inches (50 millimeters). 9. Material: Paper. 10. Color: Not mentioned. 11. Packaging contents: 2 air filters. 12. Note: Only the above - mentioned packaging contents are included, and other items are not included. Due to light and different monitors, the color of the item may vary slightly from the actual product. The measurement error is allowed to be ±1 - 3 centimeters.