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Bosch 16009 Oxygen Sensor - Downstream or Downstream Left
Reliable Oxygen Sensor for Infiniti and Mercedes-Benz Vehicles
The Bosch Actual OE Oxygen Sensor 16009 is designed to provide precise air-fuel mixture readings for select Infiniti and Mercedes-Benz models. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.
- Specific fit for Infiniti Q50, Q60, QX50 and Mercedes-Benz C300, C350e, E300, GLC300, GLC350e, Maybach S680, SLC300, SLK300
- Heated narrow-band oxygen sensor type for improved response time
- Threaded mounting type with 18 mm thread diameter and 22 mm hex size
- 16.4-inch wiring harness length with 4-pin female connector, rectangular shape
- Durable metal housing finished in steel for long-lasting use
- Standard replacement grade with 4-wire configuration
- Overall length of 19.8 inches and wiring harness included
About the Bosch Actual OE Oxygen Sensor Product Line
The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, ensuring compatibility and reliable performance. This product line focuses on delivering precise sensor readings and durability, making it suitable for specific vehicle applications such as Infiniti and Mercedes-Benz models. The 16009 sensor maintains factory-level quality and fitment, supporting emission control systems effectively.
Product Details and Specifications
This Bosch oxygen sensor features a narrow-band heated design, which allows for faster sensor warm-up and accurate monitoring of exhaust gases. The sensor includes a 4-wire configuration with a female 4-pin rectangular connector, ensuring secure electrical connections. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation. The sensor’s metal housing finished in steel provides resistance to heat and corrosion, contributing to its longevity. The wiring harness length of 16.4 inches and overall length of 19.8 inches accommodate proper placement within the exhaust system.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for Infiniti Q50, Q60, QX50 and Mercedes-Benz C300, C350e, E300, GLC300, GLC350e, Maybach S680, SLC300, SLK300
- Helps resolve engine performance problems related to faulty oxygen sensors
- Reduces emissions by ensuring proper sensor feedback to the engine control unit
- Addresses check engine light triggers caused by sensor failure
- Improves fuel efficiency by maintaining correct combustion parameters
Installation Notes and Tips
When installing the Bosch 16009 oxygen sensor, ensure the vehicle is compatible with this specific fitment. The sensor’s threaded mounting requires proper torque to avoid damage. The 4-pin female connector should be securely connected to the vehicle’s wiring harness. Avoid twisting or stretching the wiring harness during installation. It is recommended to use anti-seize compound on the threads if reusing the sensor mounting hole to facilitate future removal.
Quality Assurance and Warranty
Bosch oxygen sensors are manufactured to meet stringent quality standards, providing reliable performance and durability. The Actual OE Oxygen Sensor 16009 is a standard replacement grade part designed to match original equipment specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components to ensure customer confidence.
| Brand | Bosch |
| Part Number | 16009 |
| Position | Actual OE Oxygen Sensor, Downstream and Downstream Left |
| Wiring Harness Length | 16.4 |
| Terminal Type | Pin |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Standard replacement |
| Connector Shape | Rectangle |
| Terminal Quantity | 4 |
| Connector Gender | Female |
| Terminal Gender | Female |
| Overall Length | 19.8 |
| Mounting Type | Threaded |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.194007 lb |
| Heated (Oxygen Sensor) | Yes |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 18.6 in |
| Mounting Bracket Included | No |
| Oxygen Sensor Type | Narrow-band heated |
| Sensor Type | Narrow-band |
| Thread Diameter (Oxygen Sensor) | 18 mm |
| Thread Size | 18 |
| Wiring Harness Included | Yes |
This part fits 33 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Mercedes-Benz | Maybach S680 | 6.0L | V12 | Downstream Left | Actual OE Oxygen Sensor | |
| 2024 | Mercedes-Benz | Maybach S680 | 6.0L | V12 | Downstream Left | Actual OE Oxygen Sensor | |
| 2023 | Mercedes-Benz | Maybach S680 | 6.0L | V12 | Downstream Left | Actual OE Oxygen Sensor | |
| 2022 | Mercedes-Benz | Maybach S680 | 6.0L | V12 | Downstream Left | Actual OE Oxygen Sensor | |
| 2020 | Mercedes-Benz | GLC350e | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2020 | Mercedes-Benz | SLC300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2019 | INFINITI | Q50 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2019 | INFINITI | QX50 | AWD | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor |
| 2019 | Mercedes-Benz | E300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2019 | Mercedes-Benz | GLC300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2019 | Mercedes-Benz | GLC350e | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2019 | Mercedes-Benz | SLC300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2018 | INFINITI | Q50 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2018 | INFINITI | Q60 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2018 | Mercedes-Benz | C300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2018 | Mercedes-Benz | C350e | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2018 | Mercedes-Benz | E300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2018 | Mercedes-Benz | GLC300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2018 | Mercedes-Benz | GLC350e | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2018 | Mercedes-Benz | SLC300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2017 | INFINITI | Q50 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2017 | INFINITI | Q60 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2017 | Mercedes-Benz | C300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2017 | Mercedes-Benz | C350e | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2017 | Mercedes-Benz | E300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2017 | Mercedes-Benz | GLC300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2017 | Mercedes-Benz | SLC300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2016 | INFINITI | Q50 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2016 | Mercedes-Benz | C300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2016 | Mercedes-Benz | C350e | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2016 | Mercedes-Benz | GLC300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2016 | Mercedes-Benz | SLK300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor | |
| 2015 | Mercedes-Benz | C300 | 2.0L | L4 | Downstream | Actual OE Oxygen Sensor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.