MERCEDES A0015404617 Downstream Oxygen Sensor 001540921726 Benz O2

( Manufacturer Part Number: A0015404617 ), ( Part Type: Sensor ), ( Oe/oem Part Number: Original Genuine, W163, Ml-class, Ml Class, Cls500, Cls55 Amg, E500, E55 Amg, E320, C230, Ml 350, Ml 500, Slk 230, Ml 320, Ml 430, 2000, 2001, 2002, 2003, A0015407617, A001-540-76-17, 001-540-76-17, 0015407617, A0015404617, A001-540-46-17, 001-540-46-17, 0015404617 ), ( Universal Fitment: No ), ( Placement On Vehicle: Left ), ( UPC: 001540921726 )

Review MERCEDES benz Ml class Downstream O2 Oxygen Sensor Oem fits W163 2000–2003

The Mercedes-Benz A0015404617 Downstream O2 Oxygen Sensor is an essential component of the exhaust system in ML-Class vehicles manufactured between the years 2000 and 2003, which are based on the W163 platform. This sensor plays a crucial role in ensuring the vehicle's engine operates efficiently and meets emission standards.

This particular sensor is designed to measure the amount of unburnt oxygen present in the exhaust gases exiting the engine. It uses a zirconia sensor element to detect the oxygen concentration. The sensor converts the oxygen concentration into an electrical signal, which is then transmitted to the vehicle's engine control module (ECM).

The ECM uses this information to adjust the fuel-air mixture in the engine's combustion process. Proper oxygen sensor function is critical for maintaining optimal fuel efficiency and minimizing harmful emissions.

The Mercedes-Benz A0015404617 Downstream O2 Oxygen Sensor features a robust and durable design, with a ceramic heater element to improve the sensor's response time in cold operating conditions. The sensor's electrical connections are protected by a waterproof, thermally insulated connector.

When this sensor begins to fail, it can cause a multitude of issues within the vehicle's engine system. Symptoms may include poor engine performance, increased fuel consumption, and check engine lights illuminating on the dashboard. Replacing the faulty sensor with a new, high-quality part, such as the Mercedes-Benz A0015404617, can help resolve these issues and restore the vehicle to its optimal performance.

This O2 oxygen sensor is a direct replacement for the original part and comes with all necessary mounting hardware for a seamless installation process. By choosing a genuine Mercedes-Benz part, you can trust that you're getting a component that meets the highest standards of quality and reliability.

Buying a Mercedes-Benz W163 ML-Class downstream O2 oxygen sensor (part number: A0015404617) involves considering its potential benefits and drawbacks. Here's a brief analysis of each.

1. Improved Fuel Efficiency: A faulty oxygen sensor can cause poor fuel economy. Replacing it with a new one ensures accurate oxygen sensor readings, enabling the engine management system to optimize fuel usage.

2. Better Emissions: The downstream oxygen sensor is responsible for monitoring the exhaust gases' oxygen content to ensure the correct air-fuel mixture for optimal combustion. A new sensor ensures that the vehicle complies with emission standards.

3. Smoother Engine Performance: A faulty oxygen sensor can lead to poor engine performance, including rough idling, stalling, or hesitation. Replacing it can help restore smooth engine operation.

4. Longer Engine Life: By preventing engine misfires and ensuring optimal fuel and air mixture, a new oxygen sensor can contribute to a longer engine life.

5. Enhanced Safety: Proper engine performance is essential for vehicle safety. Replacing a faulty oxygen sensor can help prevent potential engine failures and improve overall vehicle safety.

1. Cost: The cost of buying a new Mercedes-Benz W163 ML-Class downstream O2 oxygen sensor can be relatively high. Factors such as labor costs, taxes, and shipping fees increase the overall expense.

2. Time Consumption: Replacing an oxygen sensor is a time-consuming process, especially if you choose to do it yourself. If you take your vehicle to a professional mechanic, you may need to spend a few hours waiting for the repair to be completed.

3. Potential for Additional Repairs: A faulty oxygen sensor could be a sign of other underlying engine issues. Replacing the sensor doesn't guarantee that other repairs won't be necessary in the future.

Weighing the benefits and drawbacks, it's clear that replacing a faulty downstream oxygen sensor (A0015404617) in your Mercedes-Benz W163 ML-Class can contribute to improved fuel efficiency, better emissions, smoother engine performance, longer engine life, and enhanced safety. However, the cost and time consumption associated with the replacement may be a concern. Ultimately, if you value the reliability and performance of your vehicle, it's worth considering the investment in a new oxygen sensor.

If you're experiencing symptoms of a faulty downstream oxygen sensor, such as poor fuel economy, rough idling, or engine hesitation, it's recommended that you replace the sensor as soon as possible. You can choose to do it yourself or take your vehicle to a professional mechanic. If you decide to purchase the part online, ensure that you buy a high-quality, genuine Mercedes-Benz sensor to ensure optimal performance and longevity.

Details:

2000 - 2003 MERCEDES W163 ML-CLASS DOWNSTREAM O2 OXYGEN SENSOR A OEM: THIS ITEM IS IN GREAT WORKING CONDITION. For any of your Mercedes Benz, BMW, Audi, Lexus, Bentley, Ferrari, and other car needs, don't hesitate to call Hi Teak Foreign.

part #: a0015404617 prices

• $92.07-$257.00

specifications inswico:

• for makes: Mercedes
• for years: 2000-2003
• mpn: A0015404617
• part type: Sensor
• oe/oem part number: Original Genuine, W163, Ml-class, Ml Class, Cls500, Cls55 Amg, E500, E55 Amg, E320, C230, Ml 350, Ml 500, Slk 230, Ml 320, Ml 430, 2000, 2001, 2002, 2003, A0015407617, A001-540-76-17, 001-540-76-17, 0015407617, A0015404617, A001-540-46-17, 001-540-46-17, 0015404617
• universal fitment: No
• placement on vehicle: Left
• upc: 001540921726

seller inswico:

• # reviews: 2663
• rating: 96.8%
• city: North Hollywood, California

shipping inswico:

• type: Fixed
• service: UPS Ground
• cost: $0.00
• transit: 2-7 Days
• carrier: UPS
• class: Standard

returns inswico:

• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted

general inswico:

• Car Truck Parts Accessories > Interior Parts Accessories > Switches Controls
• condition: Used

payments inswico:

• other
• credit card: Discover
• wallet: Google-pay

offer inswico:

• best offers: True
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: November 5, 2025
• sold: 0

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