About this part
What it does. K And N Replacement Air Filter K&N 400-33-3173 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 2026 Mercedes-Benz Glc350e, 2025–2026 Mercedes-Benz Gle350, 2024–2025 Mercedes-Benz Gle450e, 2024–2025 Mercedes-Benz Cle300, 2025 Mercedes-Benz Glc300, 2024 Mercedes-Benz E350. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.