Delphi ES10574 Oxygen Sensor - Front or Rear

Delphi Heated Oxygen Sensor for Mercedes-Benz E320, S320, SL320

The Delphi ES10574 oxygen sensor is designed to provide accurate emissions control for select Mercedes-Benz models. Engineered as a heated sensor with a 4-wire configuration, it ensures reliable performance in both front and rear positions depending on your vehicle's requirements.

• Heated oxygen sensor type for faster response times
• 4-wire design for precise signal transmission
• Round connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with OEM specifications
• Overall length of 620.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES10574 oxygen sensor is specifically engineered for Mercedes-Benz E320, S320, and SL320 models. Its heated sensor type allows quicker warm-up, improving fuel efficiency and emissions control shortly after engine start. The 4-wire configuration supports both the sensor heater circuit and signal output, ensuring accurate oxygen level readings. The round connector shape and 18 x 1.5 mm thread size match factory specifications, facilitating straightforward replacement without modification. With an overall length of 620 mm, this sensor fits precisely in the designated exhaust locations, whether front or rear, depending on your vehicle's setup.

Common Applications and Problem Resolution

• Helps resolve rough idling caused by incorrect air-fuel mixture readings
• Addresses increased emissions and failed emissions tests
• Improves fuel economy by providing accurate oxygen level data
• Eliminates check engine light triggers related to oxygen sensor faults
• Prevents engine performance issues linked to faulty sensor signals

Installation Notes and Tips

Before installation, verify the sensor position (front or rear) specific to your Mercedes-Benz model. Use the included instruction sheet for guidance. Ensure the engine and exhaust system are cool to avoid burns. Apply anti-seize compound to the sensor threads if recommended by the vehicle manufacturer. Tighten the sensor to the specified torque to prevent leaks or damage. Confirm electrical connections are secure to maintain sensor functionality.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The ES10574 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.