Pronto PA99604 Engine Air Filter

Engine Air Filter for Mercedes-Benz Applications

Pronto PA99604 is a regular-grade engine air filter built with cellulose filter media and a cylindrical shape for direct replacement service. It is sized at 15.98 in. long, 7.91 in. wide, and 1.54 in. high, making it a practical maintenance part for Mercedes-Benz models that call for this filter style.

Compatible With Mercedes-Benz AMG GT 43, E450, GLE450, GLS450, S500, and related AMG and CLE applications, Pronto PA99604 supports routine intake system service on a wide range of late-model vehicles. The PA99604 part number is also a useful reference when matching the correct engine air filter for Mercedes-Benz AMG GT 53 and CLS450 applications.

Key Features

• Engine air filter for air and fuel delivery service
• Cellulose filter media for standard filtration needs
• Cylindrical filter shape
• Regular grade construction
• Non-reusable design for replacement maintenance
• Dimensions: 15.98 in. length, 7.91 in. width, 1.54 in. height
• Not marine approved

Detailed Product Overview

Pronto PA99604 is an engine air filter intended for Mercedes-Benz vehicles that use a cylindrical air filter element. It is listed for applications including 2019-2025 Mercedes-Benz AMG GT 53, 2021-2026 Mercedes-Benz AMG GT 43, 2019-2023 Mercedes-Benz CLS450, 2019-2023 Mercedes-Benz CLS53 AMG, 2021-2026 Mercedes-Benz E450, 2019-2023 Mercedes-Benz E53 AMG, 2024-2026 Mercedes-Benz CLE450, 2024-2026 Mercedes-Benz CLE53 AMG, 2020-2026 Mercedes-Benz GLE450, 2022-2026 Mercedes-Benz GLE450 SUV, 2020-2026 Mercedes-Benz GLE53 AMG, 2021-2026 Mercedes-Benz GLE53 AMG SUV, 2020-2026 Mercedes-Benz GLS450, 2021-2026 Mercedes-Benz S500, 2023-2026 Mercedes-Benz S580e, 2021-2023 Mercedes-Benz S450L, 2025-2026 Mercedes-Benz G550, and 2025-2026 Mercedes-Benz E53 AMG. The PA99604 part number should be matched to the vehicle’s specified air filter housing and service requirements.

Common Service Issues It Can Address

• Restricted airflow from a dirty or clogged engine air filter
• Routine maintenance replacement for scheduled filter service
• Dust and debris buildup in the intake path
• Reduced filtration performance from an aged filter element
• Incorrect filter selection when replacing a Mercedes-Benz cylindrical air filter

Installation Notes and Tips

Verify the vehicle’s air filter housing shape and dimensions before installation. Confirm fitment by model, year, and engine configuration, especially on Mercedes-Benz AMG and SUV applications. Inspect the air box, sealing surfaces, and intake tract during service, and replace the filter at the interval specified by the vehicle manufacturer.

Quality Assurance

Pronto PA99604 is a standard replacement engine air filter built to match listed vehicle applications with cellulose media and regular-grade construction. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.