Beck Arnley 043-1057 Fuel Filter

Fuel Filter for Mercedes-Benz and Smart

Beck Arnley 043-1057 is a fuel filter built to match foreign nameplate OE specifications for form, fit, and function. It is specified with a 10 mm inlet and 8 mm outlet, and it is listed for applications that use a water sensor connection or a removable center probe, non-heated design.

Key Features

• Fuel filter for select Mercedes-Benz and Smart applications
• 10 mm inlet size and 8 mm outlet size
• Application-specific fitment for vehicles with a water sensor connection
• OE-style replacement built to match foreign nameplate specifications
• Beck Arnley 043-1057 for direct part identification

Detailed Description

Beck Arnley 043-1057 is a replacement fuel filter for select Mercedes-Benz GL350, R350, ML350, E320, GL320, and ML320 models, plus the 2005-2007 Smart Fortwo fuel/water separator application. This part number is also referenced as Beck Arnley 043-1057 in catalog searches for Mercedes-Benz fuel filter replacement and Smart Fortwo fuel/water separator service. Beck/Arnley sources parts to OE specifications so the replacement matches the original form, fit, and function expected on these vehicles.

This filter is listed for 2010-2012 Mercedes-Benz GL350 with water sensor connection, 2010-2012 Mercedes-Benz R350 with water sensor connection, 2010-2011 Mercedes-Benz ML350 with removable center probe, non-heated, 2005-2009 Mercedes-Benz E320 with water sensor connection, 2009 Mercedes-Benz GL320 with water sensor connection, 2007-2009 Mercedes-Benz ML320 with water sensor connection, and 2005-2007 Smart Fortwo fuel/water separator service.

What It Helps Address

• Restricted fuel flow from a clogged filter
• Contamination in the fuel system
• Water separation service on listed diesel applications
• Fuel delivery issues tied to incorrect inlet or outlet sizing
• Replacement needs for vehicles with a water sensor connection

Installation Notes and Tips

• Verify the vehicle’s fuel filter layout before ordering, especially the water sensor connection or removable center probe configuration.
• Confirm the 10 mm inlet and 8 mm outlet sizes against the original part.
• Use the exact vehicle application listing for Mercedes-Benz GL350, R350, ML350, E320, GL320, ML320, or Smart Fortwo before installation.
• Inspect sealing surfaces and fuel lines during service to help prevent leaks after replacement.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. That sourcing approach supports accurate replacement selection for Mercedes-Benz and Smart fuel system service.