Wix 33251 Fuel Filter - In-Line

Overview of Wix Fuel Filter 33251 for Mercedes-Benz Vehicles

The Wix 33251 fuel filter is designed to provide reliable fuel filtration for select Mercedes-Benz models, including the CLA200, E320, E350, GL320, GL350, ML320, ML350, R320, R350, Sprinter series, and Viano. This complete in-line fuel filter ensures clean fuel delivery to your engine, helping maintain optimal performance and longevity.

• Complete in-line fuel filter design for efficient fuel flow
• Cellulose media material for effective contaminant removal
• Height: 4.687 inches for precise fitment
• Inlet size: 3/8 inch; Outlet size: 5/16 inch
• Outer diameter top: 3.562 inches; Inner diameter top: closed
• Class W and Light Duty (Ld) rating for appropriate application

Detailed Product Features and Specifications

The Wix 33251 fuel filter features a cellulose media material that effectively traps dirt, rust, and other contaminants from the fuel before it reaches the engine. Its complete in-line style allows for straightforward installation within the fuel line. The filter measures 4.687 inches in height, with a 3/8 inch inlet and a 5/16 inch outlet, ensuring compatibility with the fuel systems of various Mercedes-Benz models such as the Sprinter 2500, ML350, and CLA200. The outer diameter at the top is 3.562 inches, and the inner diameter top is closed, which is typical for this filter style. Classified as Class W and designed for light-duty applications, this filter supports the fuel delivery needs of passenger and light commercial vehicles.

Compatible Mercedes-Benz Models and Applications

This Wix fuel filter 33251 is compatible with a range of Mercedes-Benz vehicles, including:

• CLA200
• E320 and E350
• GL320 and GL350
• ML320 and ML350
• R320 and R350
• Sprinter, Sprinter 2500, Sprinter 3500, Sprinter 3500XD
• Viano

Common Issues Addressed by Wix Fuel Filter 33251

• Prevents fuel system clogging caused by dirt and debris
• Reduces engine performance issues related to contaminated fuel
• Helps avoid fuel injector damage and costly repairs
• Maintains consistent fuel flow for smoother engine operation
• Protects fuel pump from premature wear

Installation Notes and Tips

When installing the Wix 33251 fuel filter, ensure the vehicle is parked on a level surface and the engine is cool. Relieve fuel system pressure before removal of the old filter. Confirm the inlet and outlet hose sizes (3/8 inch inlet and 5/16 inch outlet) match your vehicle’s fuel lines. Install the filter in the correct flow direction, typically indicated by an arrow on the filter body. Tighten connections securely to prevent leaks, and check for leaks after installation. Dispose of the old filter according to local regulations.

Quality Assurance and Warranty Information

Wix filters are manufactured to meet industry standards for fuel filtration and durability. The 33251 fuel filter undergoes rigorous quality control to ensure consistent performance. While specific warranty details may vary, Wix typically offers a limited warranty against defects in materials and workmanship. Refer to Wix’s official documentation for complete warranty terms.