NGK NTK Exhaust Gas Temperature Sensor - RTA9000-EE035

The NGK NTK exhaust gas temperature sensor RTA9000-EE035 is designed as an OE replacement for Merc...

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eBayNTK 92015 Exhaust Gas Temperature Sensor Fits Mercedes C-Class Coupe T-Model
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Product Information

Full details

The NGK NTK RTA9000-EE035 exhaust gas temperature sensor is an essential component for Mercedes vehicle owners looking to maintain optimal engine management and protect their exhaust system from thermal damage. Designed as a high-quality OE replacement, this sensor provides precise, real-time temperature monitoring to ensure efficient operation and prevent component degradation. While it offers superior heat and vibration resistance, users must verify specific vehicle compatibility to ensure proper fitment and sensor response before installation.

All features

Model Part NumberRTA9000-EE035
BrandNGK NTK

Extended Product Information

FAQs

How do I know if my EGT sensor is failing?

Common symptoms include an illuminated check engine light, decreased fuel efficiency, or the engine entering limp mode during acceleration.

Can I reuse the old sensor if I am just swapping the exhaust?

It is generally recommended to replace the sensor if it has been exposed to high heat for a long duration, as these components often seize or lose accuracy over time.

Does this sensor require calibration after installation?

No, this is a plug-and-play OE replacement; however, you should clear any existing error codes from your vehicle's computer.

What tools are needed for installation?

Typically, you will need a specialized oxygen sensor or EGT sensor socket and a torque wrench to ensure proper installation force.

Is this part compatible with all Mercedes models?

No, compatibility is engine and model-specific. Always verify the MPN RTA9000-EE035 against your vehicle's requirements.

Should I apply grease to the sensor threads?

Use a high-temperature anti-seize compound on the threads, taking great care to keep it away from the sensor tip/probe to avoid contamination.

Troubleshooting

Check Engine Light persists after installation

Clear the diagnostic trouble codes (DTC) using an OBD-II scanner, as the ECU may require a reset to recognize the new sensor.

Erratic temperature readings

Ensure the electrical connector is fully seated and free of corrosion or debris.

Sensor stuck in exhaust port

Use a penetrating oil and allow it to soak for several hours before attempting to loosen the sensor with the proper flare nut wrench.

Pros and Cons

Pros

  • OE-standard fit and function
  • High accuracy in temperature readings
  • Excellent resistance to extreme heat
  • Robust build quality for long-term reliability
  • Improves overall engine efficiency

Cons

  • Requires specific tool access for exhaust installation
  • Must verify exact model year compatibility
  • Sensitive electrical connections require careful handling

Setup, Compatibility & Care

Installation should be performed while the exhaust system is completely cool to avoid injury. Because the sensor is threaded directly into the exhaust tract, use a thread lubricant or anti-seize compound sparingly to ensure it can be removed in the future. Always disconnect the negative battery terminal before unplugging the wiring harness to prevent short circuits. Compatibility must be verified by checking the MPN RTA9000-EE035 against your specific Mercedes VIN or engine code. If you notice the sensor body is bent, corroded, or the wiring insulation is frayed during routine maintenance, the sensor should be replaced immediately to avoid inaccurate data transmission.

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