Standard Ignition AX418 HVAC Heater Core Temperature Sensor

Overview of Standard Ignition HVAC Heater Core Temperature Sensor AX418

The Standard Ignition HVAC Heater Core Temperature Sensor AX418 is designed to provide accurate temperature readings for the heating and air conditioning system in select Mercedes-Benz vehicles. This sensor ensures optimal climate control performance by monitoring heater core temperature and relaying data to the vehicle’s HVAC system.

• Connector Gender: Female
• Connector Quantity: 1
• Connector Shape: Rectangular
• Connector Type: Plug in
• Terminal Gender: Male
• Terminal Quantity: 2
• Terminal Type: Pin
• Contents: Sensor only

Detailed Product Description

The AX418 heater core temperature sensor from Standard Ignition features a female rectangular plug-in connector with a single connection point, designed for secure and reliable electrical contact. It includes two male pin terminals that facilitate precise signal transmission to the HVAC control module. This sensor is engineered to meet the specifications required for Mercedes-Benz models such as the B250e, CLA45 AMG, CLS63 AMG S, G63 AMG, and S550, among others. By accurately measuring the temperature of the heater core, it helps maintain the desired cabin temperature and supports efficient HVAC system operation.

Compatible Mercedes-Benz Models and Applications

This HVAC heater core temperature sensor AX418 is compatible with a range of Mercedes-Benz vehicles, including but not limited to:

• B250e
• CLA45 AMG, CLA250
• CLS63 AMG S, CLS400, CLS550
• E400, E550
• G63 AMG, G550
• GLA45 AMG, GLA250
• GLC43 AMG, GLC300
• Metris
• S63 AMG, S65 AMG, S550, S550e, S600

Common Issues Addressed by the AX418 Sensor

• Inaccurate cabin temperature readings causing HVAC inefficiency
• Heater core temperature sensor failure leading to improper climate control
• Intermittent HVAC system faults related to sensor connectivity
• Reduced heating performance in Mercedes-Benz models listed
• HVAC system error codes triggered by faulty temperature sensor

Installation Notes and Tips

When installing the Standard Ignition AX418 sensor, ensure the female rectangular plug is securely connected to the vehicle’s wiring harness. Verify that the two male pin terminals are properly seated to avoid signal loss or intermittent faults. It is recommended to disconnect the vehicle battery before installation to prevent electrical shorts. Proper alignment and secure connection will help maintain accurate temperature readings and reliable HVAC system performance.

Quality Assurance and Warranty

Standard Ignition manufactures the AX418 sensor to meet OEM specifications for fit, form, and function. While specific warranty details are not provided here, Standard Ignition products typically come with a limited warranty covering defects in materials and workmanship. This sensor is designed to provide consistent performance in Mercedes-Benz HVAC systems, supporting long-term reliability.