Mercedes W211 C219 Exhaust Temperature Sensor Particulate Filter A2114404805

Mercedes W211 C219 Exhaust Temperature Sensor Particulate Filter is a specialized exhaust system component designed for diesel engines, responsible for precisely transmitting the signal from the exhaust gas temperature sensor. Thanks to the proper selection of the cable, the sensor can operate stably in a demanding high-temperature environment, which promotes proper control of the combustion process. This solution helps maintain the efficiency of the exhaust system and supports the correct operation of the diesel engine control electronics.

Specifications and technical data

• SKU: A2114404805
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2114404805
• Substitutable numbers: A2114404805, A 211 440 48 05
• Fuel type: Diesel
• Category: Oxygen Sensors

Purpose and function in the exhaust system

The exhaust gas temperature sensor cable in Mercedes W211 and C219 models works with the diesel engine control electronics, transmitting the signal from the sensor to the controller. A properly functioning cable enables:

• real-time exhaust gas temperature monitoring,
• maintaining stable engine operating parameters,
• supporting emission control systems in the diesel engine.

As a result, the exhaust system can react to changes in load and driving conditions, and the controller has access to reliable measurement data.

Technical category: Lambda sensors and O2 sensors

The offered component belongs to the Lambda sensors and O2 sensors category, a group of components responsible for monitoring exhaust gas composition and operating conditions in the exhaust system. In vehicles with a diesel engine, the exhaust gas temperature sensor cable is an important supplement to the sensors controlling exhaust parameters, because it:

• ensures a stable electrical connection in a high-temperature zone,
• reduces the risk of measurement signal interference,
• supports correct data interpretation by the engine controller.

Selecting a cable from the same functional group as other sensors in the exhaust system facilitates maintaining parameter consistency and the reliability of the entire system.

Performance characteristics and application benefits

The exhaust gas temperature sensor cable for Mercedes has been designed for operation in the demanding environment of a diesel engine. In practice, this means:

• adaptation to thermal loads typical for diesel units,
• compatibility with the factory exhaust gas temperature sensor,
• the ability to restore proper communication between the sensor and the controller.

Using the correct cable allows for reducing errors related to exhaust gas temperature readings, which can translate into more stable engine operation and more predictable performance of emission control systems. This is particularly important in vehicles used intensively, where the exhaust system is exposed to long-term loads.

Product condition and application in service practice

The offered cable is an aftermarket component, which allows for an economical repair of the exhaust system while maintaining compliance with the solutions used in Mercedes W211 and C219 models. This type of part is suitable both for replacing a damaged cable and for comprehensive exhaust system maintenance in a diesel engine, when it is necessary to restore proper communication with the exhaust gas temperature sensor.

Choosing a cable dedicated to a specific vehicle platform reduces the risk of installation problems and makes it easier to maintain the factory routing of the wiring harness in the engine compartment and the exhaust zone.

Expert support and selection of used electronics

When working with measurement and control systems in modern cars, it is worth paying attention to the quality of aftermarket components and how they are selected. If you want to better understand when it is worth reaching for used electronic and measurement components in a car, check out our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Mercedes and need other elements from the same group, such as lambda sensors, O2 sensors, or additional signal cables, check out the available parts in the Lambda sensors and O2 sensors Mercedes category.