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

Reliable Fuel Tank Sending Unit for Mercedes-Benz Vehicles

The VDO Fuel Tank Sending Unit 221-838-002-018Z is designed specifically for select Mercedes-Benz models, including the CL55 AMG, CL500, CL600, S55 AMG, S430, S500, and S600. This 12-volt, negative ground component ensures accurate fuel level readings and seamless integration with your vehicle's fuel system.

• Compatible with Mercedes-Benz CL55 AMG, CL500, CL600, S55 AMG, S430, S500, and S600 models
• Operates on 12 volts with negative ground configuration
• Specific fit design for precise installation and performance
• Plastic-metal housing for durability and corrosion resistance
• Includes gasket or seal for secure mounting
• Blade terminal type with 5 male terminals and 2 oval-shaped connectors
• Fuel type: Gasoline
• Resistance range: 10 ohms (empty) to 209 ohms (full) for accurate fuel level measurement

Detailed Product Description

The VDO Fuel Tank Sending Unit part number 221-838-002-018Z is engineered to provide reliable fuel level data to your vehicle’s dashboard. Its plastic-metal housing offers a balance of strength and resistance to fuel exposure, while the included gasket or seal ensures a tight, leak-free installation. Designed exclusively for specific Mercedes-Benz models, this sending unit features a blade terminal type with five male terminals and two oval-shaped connectors, facilitating a secure electrical connection. The unit operates on a 12-volt negative ground system and is calibrated for gasoline fuel types, with resistance values ranging from 10 ohms when the tank is empty to 209 ohms when full, ensuring precise fuel gauge readings.

Common Applications and Issues Addressed

• Restores accurate fuel level readings on Mercedes-Benz CL55 AMG, CL500, CL600, S55 AMG, S430, S500, and S600 models
• Replaces faulty or damaged fuel tank sending units causing erratic or incorrect fuel gauge behavior
• Eliminates fuel gauge dropouts or stuck readings due to worn or corroded components
• Prevents fuel system leaks with included gasket or seal
• Ensures compatibility with 12-volt negative ground electrical systems

Installation Notes and Tips

Installation of the VDO Fuel Tank Sending Unit 221-838-002-018Z requires attention to the specific fitment for Mercedes-Benz models listed. Ensure the vehicle’s electrical system is negative ground and operates at 12 volts before installation. The blade terminal type and oval-shaped connectors must be properly aligned and secured to avoid electrical issues. Follow all manufacturer installation warnings and guidelines to maintain safety and functionality. The included gasket or seal should be inspected and properly seated to prevent fuel leaks.

Quality Assurance and Warranty

VDO is a recognized brand in automotive fuel system components, known for precision and durability. This fuel tank sending unit undergoes rigorous quality control to meet OEM standards. While specific warranty details are not provided here, VDO products typically come with manufacturer-backed warranties to ensure reliability and customer confidence.