K&N E-0638 High-Flow Air Filter for 20-25 Mercedes-Benz A45/CLA45/GLA45 AMG 2.0L

Vehicle Fitment

• 2020-2025 Mercedes-Benz CLA45 AMG 2.0 L Turbo I4
• 2021-2024 Mercedes-Benz A45 AMG S 2.0 L Turbo I4
• 2021-2023 Mercedes-Benz GLA45 AMG 2.0 L Turbo I4

Features

• High-flow cotton gauze media engineered to increase horsepower and acceleration
• Washable and reusable design - no disposable filter replacements required
• Direct-fit drop-in replacement for factory air box - no modifications
• Improved airflow while maintaining superior filtration of contaminants
• Designed for long service-intervals - clean approx. every 75,000 miles under normal driving
• Durable construction backed by K&N's lifetime limited warranty
• Reduces waste and ongoing cost compared to standard disposable filters
• Pre-oiled and ready to install right out of the box

Specifications

• Media: Multi-layer oiled cotton gauze
• Shape: Round drop-in replacement
• Height: ~4.938"
• Inside Diameter (flange): ~5.938"
• Outside Diameter: ~8.063"
• Weight: ~2.1 lb (≈1 kg)
• Service Interval: Clean approx. every 75,000 miles under normal highway driving

Included Components

• 1x K&N E-0638 washable high-flow engine air filter
• Installation instructions with cleaning and reuse guidelines

Product Description

The K&N E-0638 High-Flow Air Filter is specifically engineered for the 2.0 L Turbo I4 AMG models of Mercedes-Benz: the A45 AMG S, CLA45 AMG, and GLA45 AMG. Its drop-in design means it can be installed into the factory air box without any modifications, delivering improved airflow and enhanced engine responsiveness while maintaining top-tier filtration.

Ideal for performance enthusiasts or track-day drivers who want reliable longevity, this washable and reusable filter reduces long-term cost, minimizes waste from disposable filters, and supports durable operation through spirited driving. Routine service is simplified - cleaning roughly every 75,000 miles under normal driving conditions.

Please note: Fitment is confirmed through model year 2025 for the listed vehicles. Always verify the engine (2.0 L Turbo I4), drivetrain, and vehicle configuration before purchase.