Mercedes C140 Intake Manifold Temperature Sensor A0115425117

Mercedes C140 Intake Manifold Temperature Sensor is a precision component of the intake system, responsible for reliable measurement of the air temperature drawn into the engine. A properly functioning sensor supports stable engine operation, optimizes fuel dosage, and influences both engine performance and fuel consumption. By choosing this item from the Temperature sensors category, you are opting for a solution structurally matched to Mercedes C140 series models.

Specifications and technical data

• SKU: A0115425117
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0115425117
• Substitutable numbers: A0115425117, A 011 542 51 17
• Category: Temperature Sensors

Function and role of the intake manifold temperature sensor

The intake manifold temperature sensor in a Mercedes C140 transmits information about the current air temperature in the intake system to the engine control unit. Based on this, the electronics select the appropriate operating parameters, which helps maintain the correct fuel-air mixture under various load conditions and ambient temperatures.

A functional component from this group:

• stabilizes engine operation at idle and under load,
• reduces the risk of excessive fuel consumption,
• supports the proper operation of emission control systems.

Benefits of using an original Mercedes sensor

The original Mercedes intake manifold temperature sensor is structurally matched to the manifold geometry and the controller parameters used in the C140 series. This ensures the correct measurement characteristics and electrical compatibility with the vehicle's wiring. This translates into predictable engine behavior and reduces the risk of diagnostic errors.

Key advantages include:

• dedicated temperature measurement characteristics for Mercedes C140 engines,
• secure fitment in the intake manifold and sealing at the mounting point,
• consistency with factory engine control logic.

Condition of the component and service application

The presented sensor comes from the Temperature sensors group and is intended for service applications in Mercedes C140 vehicles experiencing issues with intake manifold air temperature readings. It can be used both for the typical replacement of a worn-out component and for diagnosing faults related to rough engine operation, increased fuel consumption, or error codes appearing in the controller's memory.

Choosing a used, functional sensor is an economical solution that allows you to restore the correct operating parameters of the engine without the need to invest in a new component, while maintaining compliance with factory specifications.

Selection by part numbers and technical support

When selecting an intake manifold temperature sensor for a specific Mercedes C140 engine version, it is crucial to pay attention to the manufacturer's markings and interchangeable numbers to ensure full compatibility with the electrical system and engine controller. In practice, this means comparing the data with the existing component or the vehicle's documentation.

If you want to better understand when choosing a used sensor makes sense, how to interpret manufacturer markings, and how to safely install electronic components in the engine control system, check out the tips in the article: Used automotive electronics – ECU modules and second-hand sensors.

Expanding the temperature measurement system in a Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional temperature sensors, cooling system measurement elements, or sensors in the intake area, check out the available parts in the Mercedes temperature sensors category.