PARTCATALOG PC-1004117 Mercedes Benz Ambient Air Temperature Sensor C240

( Brand: Partcatalog ), ( Manufacturer Part Number: PC-1004117 ), ( Part Type: Sensor )

Review PARTCATALOG Ambient Air Temperature Sensor Compatible Mercedes benz

The **PartCatalog PC-1004117 Ambient Air Temperature Sensor** is a precision-engineered component designed specifically for the **Mercedes-Benz C240 (W203) models from 2001 and 2002**, playing a critical role in maintaining optimal engine performance and fuel efficiency. This sensor, often referred to as the **ambient air temperature (AAT) sensor** or **intake air temperature (IAT) sensor**, is strategically positioned in the air intake system to monitor the temperature of the air entering the engine. By providing real-time data to the vehicle s Engine Control Unit (ECU), it enables the system to adjust the air-fuel mixture, ignition timing, and throttle response with precision, ensuring smoother operation, reduced emissions, and improved fuel economy especially under varying environmental conditions.

Constructed with high-quality materials to withstand the demanding conditions of automotive use, this sensor features a robust **thermistor-based design**, which allows for accurate and responsive temperature readings across a wide range of ambient conditions, from freezing cold to scorching heat. The component is typically housed in a **durable metal or plastic casing** with a sealed, corrosion-resistant construction to protect against moisture, dust, and debris, which are common culprits in sensor failure over time. The sensor s wiring harness is designed for easy installation, featuring a **connector compatible with the OEM wiring loom**, ensuring a secure and interference-free connection to the vehicle s electrical system.

For Mercedes-Benz C240 owners, this sensor is particularly vital, as its failure can lead to noticeable performance issues, including **rough idling, reduced power output, increased fuel consumption, or even activation of the check engine light** due to incorrect air-fuel ratio calculations. Replacing a faulty ambient air temperature sensor with the **PC-1004117** ensures that the engine receives the correct calibration data, restoring optimal functionality and preventing further damage to the fuel injection system or catalytic converter. This sensor is a **direct-fit replacement**, meaning it is engineered to match the exact specifications of the original equipment manufacturer (OEM), including physical dimensions, electrical resistance curves, and mounting orientation, guaranteeing seamless integration without the need for modifications.

Beyond its technical functionality, the **PC-1004117** is a testament to Mercedes-Benz s commitment to precision engineering, offering reliability and longevity for those who demand the highest standards in automotive performance. Whether addressing a diagnosed fault code (such as P0112 or P0113) or proactively maintaining the vehicle s health, this sensor is an essential component for preserving the C240 s legendary driving dynamics while ensuring compliance with modern emissions regulations. With its straightforward installation process and compatibility with aftermarket diagnostic tools, this part is an ideal choice for both professional mechanics and discerning DIY enthusiasts seeking to maintain their Mercedes-Benz in peak condition.

### Pros and Cons of buying a PartCatalog PC-1004117 Ambient Air Temperature Sensor for a Mercedes-Benz C240 (2001-2002)

1. **Compatibility** The sensor is specifically designed for the Mercedes-Benz C240 models from 2001 and 2002, ensuring a proper fit without modifications.

2. **Reliability** As an OEM or high-quality aftermarket part, it should function as reliably as the original component, reducing the risk of frequent failures.

3. **Performance Impact** A faulty ambient air temperature sensor can cause inaccurate fuel mixture calculations, leading to poor engine performance, reduced fuel efficiency, or even engine stalling. Replacing it with a working sensor restores proper engine operation.

4. **Diagnostic Clarity** A new sensor can help clear error codes related to incorrect air temperature readings, preventing unnecessary diagnostic trouble.

5. **Longevity** A quality sensor should last as long as the original, avoiding repeated replacements and associated labor costs.

6. **Ease of Installation** Since it is a direct replacement, installation is typically straightforward, requiring only basic tools and minimal mechanical skill.

7. **Warranty Coverage** If purchased from a reputable seller, the sensor may come with a warranty, providing peace of mind against defects.

1. **Cost** Aftermarket sensors, even high-quality ones, are often more expensive than OEM parts. If the original sensor is still functional, replacing it unnecessarily could be a waste of money.

2. **Potential Counterfeit Parts** If buying from an untrusted source, there is a risk of receiving a low-quality or counterfeit sensor that fails prematurely.

3. **Diagnostic Verification Needed** Before purchasing, it s essential to confirm that the sensor is indeed faulty. A scan tool should reveal error codes (e.g., P0113, P0115, or similar) related to ambient air temperature before proceeding with replacement.

4. **Labor Costs** While the sensor itself may be affordable, labor costs for installation (especially if done professionally) can add up, particularly if the sensor is located in a hard-to-reach area.

5. **Compatibility Doubts** If the sensor is not an exact match (e.g., slight variations in wiring or mounting), it may not fit perfectly, requiring additional modifications.

6. **Alternative Solutions** In some cases, recalibrating or cleaning the existing sensor (if accessible) might resolve the issue without replacement, saving money.

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The **PC-1004117 ambient air temperature sensor** is a viable replacement for a Mercedes-Benz C240 (2001-2002) if the original sensor is confirmed faulty. It offers reliability, compatibility, and performance benefits that justify the purchase when necessary. However, it is crucial to verify the sensor s condition through diagnostic testing before buying to avoid unnecessary expenses. If the sensor is indeed the source of the issue, this part is a solid choice, especially when sourced from a trusted supplier.

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1. **Diagnose First** Use an OBD-II scanner to confirm that the ambient air temperature sensor is the root cause of the issue (look for codes like P0113 or P0115).

2. **Compare Prices** Check prices across reputable sellers (e.g., Amazon, RockAuto, eBay with verified feedback) to ensure you re getting a fair deal. Consider OEM vs. aftermarket trade-offs.

3. **Buy from a Trusted Source** Opt for sellers with positive reviews and return policies to avoid counterfeit or defective parts.

4. **Consider DIY Installation** If comfortable with basic automotive work, installing the sensor yourself can save labor costs.

5. **Check for Alternatives** If the sensor is accessible, cleaning or recalibrating it (if possible) might be a cheaper solution before resorting to replacement.

**Final Verdict:** If the sensor is confirmed faulty and you ve verified compatibility and quality, purchasing the **PC-1004117 sensor** is a practical and effective solution for restoring proper engine function in your Mercedes-Benz C240. Proceed with caution, prioritize diagnostics, and choose a reliable supplier.

Details:

Perfect Compatibility: Compatibility is key. Part Number: PC-1004117. Direct Replacement, No Fuss: This OE replacement ambient air temperature sensor is meticulously designed for your specific vehicles make and model, promising a direct fit. Its designed to fit and function just like the original equipment OE part.

Brand: PartCatalog. Mounting Type: Flange Mount. Manufacturer: PartCatalog. Its manufactured to OE specifications for an exact fit and smooth operation.

Experience a seamless replacement process, made to match the original part perfectly. Exceptional Quality and Performance: This OE replacement ambient air temperature sensor is designed to meet, if not exceed, the performance quality standards of original equipment installed on your vehicle. Brand Name: PartCatalog. Installation is as straightforward it gets - no fuss, complications.

Get the perfect fit and optimal performance every time with our replacement parts. Fits list of vehicles in image gallery fitment chart. Features: Includes 1 One Ambient Air Temperature Sensor.

part #: pc1004117 price

• $46.63

specifications indheatexchanger:

• brand: Partcatalog
• mpn: Pc-1004117
• part type: Sensor

offer indheatexchanger:

• sold: 0
• started: June 9, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1

general indheatexchanger:

• condition: New
• HVAC Refrigeration > HVAC Refrigeration Components > Heat Exchangers

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• class: Economy
• type: Fixed
• service: Economy
• cost: $0.00
• transit: 3-8 Days

returns indheatexchanger:

• method: Money back
• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

seller indheatexchanger:

• rating: 98.4%
• # reviews: 2086
• city: US

payments indheatexchanger:

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