VDO 221-838-002-018Z Fuel Tank Sending Unit

OE Fuel Tank Sending Unit for Mercedes-Benz

The VDO 221-838-002-018Z fuel tank sending unit is a specific-fit replacement for select Mercedes-Benz models. Built as a genuine OEM part, it matches OE fit, form, and function for accurate fuel level reporting and straightforward installation.

Key Features

• Specific-fit fuel tank sending unit for gas applications
• 12-volt, negative ground electrical design
• Blade terminals with a 2-connector, oval connector layout
• Plastic-metal housing for OE-style construction
• Gasket or seal included for service replacement
• Resistance range: 10 ohms empty, 209 ohms full
• Built in OE ISO TS certified facilities

Detailed Description

VDO part number 221-838-002-018Z is engineered for Mercedes-Benz CL500, CL55 AMG, CL600, S430, S500, S55 AMG, and S600 applications from 2000 through 2002. This fuel tank sending unit is made to the same fit and function standards used in original equipment, helping restore accurate fuel gauge operation in the tank module assembly. This part number 221-838-002-018Z is a direct replacement choice for technicians and DIY repairs where OE-style fitment matters. This part cross-references Mercedes-Benz 2205421417 and Spectra Premium FG228A for the same application.

Common Uses

• Corrects inaccurate fuel gauge readings
• Addresses intermittent or erratic fuel level indication
• Replaces a worn or failed sending unit in the fuel tank module
• Helps restore proper fuel level signal output to the instrument cluster
• Supports service work on Mercedes-Benz CL500 and S-Class fuel systems

Installation Notes and Tips

Verify connector shape, terminal count, and resistance specifications before installation. Confirm the vehicle application against the listed fitment for 2000-2002 Mercedes-Benz CL500, 2001-2002 CL55 AMG, 2001-2002 CL600, 2000-2002 S430, 2000-2002 S500, 2001-2002 S55 AMG, and 2001-2002 S600. The included gasket or seal should be inspected during service, and installation warnings should be reviewed before beginning work.

Quality Assurance

VDO fuel modules are manufactured as genuine OEM parts in OE ISO TS certified facilities and built to OE standards for fit, form, and function. The result is a replacement fuel tank sending unit designed for dependable performance and simplified installation in Mercedes-Benz fuel system service.