Delphi ES10260 Oxygen Sensor

Delphi Heated Oxygen Sensor for Mercedes-Benz 420SEL, 560SEC, 560SEL

The Delphi ES10260 oxygen sensor is designed to provide accurate emissions monitoring for select Mercedes-Benz models. This heated upstream sensor ensures optimal engine performance and helps maintain compliance with emission standards.

• Heated oxygen sensor for faster response times
• Three-wire design for reliable signal transmission
• Compatible connector shapes: square and round
• Thread size: 18 x 1.5 mm for secure fitment
• Overall length of 1460 mm for proper installation
• Includes oxygen sensor and instruction sheet

Product Details and Specifications

The Delphi ES10260 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its three-wire configuration supports accurate voltage signals to the engine control unit (ECU). The sensor’s thread size of 18 x 1.5 mm ensures compatibility with the upstream position on Mercedes-Benz 420SEL, 560SEC, and 560SEL models. The connector design includes both square and round shapes to match factory wiring harnesses, simplifying installation. With an overall length of 1460 mm, this sensor fits precisely in the designated upstream location to monitor exhaust gases before catalytic conversion.

Applications and Common Issues Addressed

• Helps resolve rough idling and poor engine performance
• Reduces increased fuel consumption caused by faulty sensors
• Prevents check engine light triggers related to oxygen sensor faults
• Supports emission control compliance for Mercedes-Benz 420SEL, 560SEC, and 560SEL
• Improves catalytic converter efficiency by providing accurate oxygen level data

Installation Notes and Tips

When installing the Delphi ES10260 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct 18 x 1.5 mm thread size to avoid cross-threading. Verify the connector shape matches the vehicle’s wiring harness to ensure proper electrical connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal. Follow the included instruction sheet for detailed installation guidance.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES10260 part number undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details are not provided here, Delphi products typically come with a limited warranty covering defects in materials and workmanship.