URO 0075421318 Ambient Air Temperature Sensor

Ambient Air Temperature Sensor for Mercedes-Benz

This URO ambient air temperature sensor restores accurate outside temperature readings for a wide range of Mercedes-Benz models. Built as a direct-fit OE replacement, part number 0075421318 is designed for plug-and-play installation and dependable sensor operation.

Key Features

• Direct-fit OE replacement for ambient air temperature sensor service
• Plug-and-play OE-style connector for straightforward installation
• High-quality materials selected to handle engine compartment heat
• Alloy conductors help reduce electrical resistance for accurate signal transfer
• Oval connector design with 2 terminals, female connector and male terminals
• Clip-style attachment method with black housing
• Designed and tested for reliable long-term operation

Detailed Description

URO part number 0075421318 is an ambient air temperature sensor engineered for Mercedes-Benz HVAC systems that rely on accurate outside temperature input. When the sensor signal is stable, the vehicle can display correct ambient temperature information and support proper climate-control behavior. This OE-style replacement uses a clip-mounted, oval connector design for a direct connection that matches the original layout on many Mercedes-Benz C-Class, E-Class, S-Class, ML-Class, GL-Class, SL-Class, and related applications. This part cross-references VEMO V30-72-0155 for the same application.

Compatible Mercedes-Benz applications include models such as the C250, C300, E350, ML350, S550, and SLK350 across the listed year ranges. The part number 0075421318 is also referenced by interchange numbers including 007 542 1318 and 0005428418.

What It Helps Solve

• Incorrect outside temperature display on the dash
• Intermittent or erratic ambient air temperature readings
• HVAC control issues tied to faulty temperature input
• Sensor failure from heat exposure or connector wear
• Electrical resistance problems that affect signal accuracy

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style before installation. This sensor uses a clip attachment and an OE-style plug-in connection, so replacement is typically straightforward when the original sensor location and harness are intact. Confirm vehicle-specific fitment for your Mercedes-Benz model and year before ordering.

Quality Assurance

URO manufactures this sensor using materials selected for heat resistance and long service life, with testing focused on reliable operation. Part number 0075421318 includes a 24-month unlimited mileage warranty.