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NTK 25248 Oxygen Sensor - Downstream Right
| Brand | NTK 25248 |
|---|---|
| Position | Downstream Right |
| Wiring Harness Length | 11.7500 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Thread Diameter | 18.000 |
| Mounting Type | Threaded |
| Product line | Direct Fit Oxygen Sensor |
| Fits | Mercedes-Benz · 4 vehicles |
Direct fit design. Built for specific applications with OE-style fit, form, and function.
Heated sensor. Helps the sensor reach operating temperature faster for responsive exhaust monitoring.
OE-tested quality. Manufactured and tested to meet or exceed OE specifications.
Cross-references 0085426118 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Direct Fit Oxygen Sensor
NTK 25248 is a direct fit heated oxygen sensor built for specific applications and engineered to match OE fit, form, and function. It is a threaded sensor with a 4-wire design and an 11.75-inch harness for a clean replacement on the correct application.
Fits 2012-2015 Mercedes-Benz C350, downstream right. This NTK oxygen sensor is part of the Direct Fit Oxygen Sensor line, which focuses on application-specific coverage and OE-style replacement for import and domestic vehicles.
Key Features
- Heated oxygen sensor for faster operating response.
- Specific-fit design for direct replacement on the listed application.
- Threaded mounting type for proper installation on the exhaust system.
- 4-wire configuration with an 11.75-inch harness.
- Built to meet OE specifications through manufacturing testing.
Detailed Description
NTK 25248 is an emission control oxygen sensor for the Mercedes-Benz C350, downstream right. As part of NTK's Direct Fit Oxygen Sensor line, it is designed for application-specific coverage and OE-style replacement without universal adaptation. NTK draws on its background as a major original equipment oxygen sensor supplier, and this sensor is manufactured and tested to support reliable signal performance and consistent fitment.
This part cross-references Mercedes-Benz 0085426118 for the same application.
What It Helps Solve
- Check engine light concerns related to oxygen sensor performance.
- Incorrect air-fuel feedback from a worn sensor.
- Emissions system faults tied to downstream sensor readings.
- Hard starting or drivability issues caused by inaccurate exhaust monitoring.
Installation Notes and Tips
Verify the connector, thread size, and harness length before installation. Confirm the downstream right location on the vehicle and compare the old sensor to the replacement part number 25248 before beginning service.
Quality Assurance
NTK states that its oxygen sensors are extensively tested during manufacturing to meet or exceed OE specifications. Part number 25248 is backed by that OE-focused manufacturing approach.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Mercedes-Benz | C350 | 3.5L | V6 | GAS | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2014 | Mercedes-Benz | C350 | 3.5L | V6 | GAS | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2013 | Mercedes-Benz | C350 | 3.5L | V6 | GAS | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2012 | Mercedes-Benz | C350 | 3.5L | V6 | GAS | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
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