About this part
What it does. K And N Replacement Air Filter K&N 400-33-3181 keeps dust and debris out of the intake so the engine draws clean air.
Symptoms that point to this part
- Reduced fuel economy
- Sluggish acceleration
- Visibly dirty or clogged filter element
Service note. Typically inspected at every service and replaced roughly annually.
Fitment. Catalogued as fitting 2025 Mercedes-Benz Sl55 Amg, 2022–2023 Mercedes-Benz Sl63 Amg. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.