The engine air filter for the Mercedes C-Class W206 with the M254 four-cylinder mild-hybrid engine. This high-flow filter element uses a multi-layer synthetic media that provides superior filtration while allowing maximum airflow to the turbocharged engine. Replaces every 25,000km or 2 years.

1. 1
2. Open bonnet
3. 2
4. Locate air filter housing on right side of engine bay
5. 3
6. Release 4 spring clips around housing lid
7. 4
8. Lift lid and note filter orientation
9. 5
10. Remove old filter
11. 6
12. Wipe inside of housing with clean cloth — do not blow with compressed air inside engine side
13. 7
14. Insert new filter ensuring rubber seal seats fully in groove
15. 8
16. Clip housing lid shut.