Air filter change Mercedes-Benz B-Class 2008 - 2011 | Haynes Manuals
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Air filter location
Undo circular clip on the air intake - use a 7mm socket or flat end screwdriver
Release the air intake
Undo the 3 Torx-25 retaining fixings
Carefully lift away the air filter box
View of the air filter cover
Air filter in position
Lift out the air filter
Clean off any debris on the surface of the filter. Replace with a new filter if heavily contaminated
Check air filter box for debris. Clean if required. Replace air filter
Reassemble the air filter housing