SIEMENS A2709050200 Benz Engine Knock Sensor Gla

( Brand: Siemens ), ( Part Type: Engine Sensor ), ( Manufacturer Warranty: 1 Year ), ( Manufacturer Part Number: A2709050200 ), ( Performance Part: No )

Review SIEMENS Engine Knock Sensor Mercedes benz Gla Cla fits C250 250

The Siemens A2709050200 engine knock sensor is a crucial component in ensuring the optimal performance and longevity of Mercedes-Benz GLA 250, Cla 250 models. This sensor is specifically designed to detect and measure engine knock or detonation, which can cause significant damage if not addressed in a timely manner.

The Siemens A2709050200 engine knock sensor is an advanced, electro-mechanical device that utilizes a piezoelectric element to convert the mechanical energy of engine knock into electrical signals. These signals are then transmitted to the engine control unit (ECU), which can then adjust the fuel injection and ignition timing to minimize or eliminate the knocking sound.

The sensor is designed with a robust, high-temperature housing to withstand the extreme conditions of the engine bay. It features a built-in signal conditioning amplifier that ensures accurate and reliable detection of engine knock, even in the presence of other engine vibrations and noise.

The Siemens A2709050200 engine knock sensor is a direct replacement for the original equipment sensor in the Mercedes-Benz GLA 250, Cla 250 models. It is easy to install, requiring no additional modifications or adjustments to the engine or wiring harness.

In summary, the Siemens A2709050200 engine knock sensor is a vital component for maintaining the performance and reliability of the Mercedes-Benz GLA 250, Cla 250 models. It is a high-quality, durable sensor that delivers accurate and reliable detection of engine knock, ensuring that your vehicle runs smoothly and efficiently.

Buying a Siemens A2709050200 engine knock sensor for your Mercedes-Benz GLA 250, CLA 250 can be a viable solution if your vehicle is experiencing engine knocking or similar issues. Below are some pros and cons that can help you make an informed decision.

1. OEM Part: The Siemens A2709050200 engine knock sensor is an original equipment manufacturer (OEM) part. This means it is designed and manufactured by the same company that originally equipped your vehicle with the part. Using an OEM part can ensure proper fit, function, and durability.

2. Improved Performance: A faulty engine knock sensor can cause a multitude of issues, including poor engine performance, rough idling, and even engine damage. Replacing the faulty sensor with a new one can help restore optimal engine performance.

3. Peace of Mind: Using an OEM part can give you peace of mind, knowing that you are using a high-quality part that is specifically designed for your vehicle.

1. Cost: OEM parts, especially for luxury vehicles like Mercedes-Benz, can be more expensive than aftermarket parts. The cost of the Siemens A2709050200 engine knock sensor may be higher than some aftermarket alternatives.

2. Availability: Depending on the specific model year and availability, it may take some time to source and receive the Siemens A2709050200 engine knock sensor.

3. Installation: Installing the sensor requires some mechanical knowledge and experience, or the cost of hiring a professional to do it for you.

The Siemens A2709050200 engine knock sensor is a high-quality OEM part that can restore optimal engine performance in your Mercedes-Benz GLA 250, CLA 250. While it may be more expensive than some aftermarket alternatives, the peace of mind and improved performance that come with using an OEM part can be worth the investment. If you have the mechanical knowledge and experience, or the budget to hire a professional, replacing your faulty engine knock sensor with a new Siemens A2709050200 sensor can help keep your vehicle running at its best.

part # a2709050200 price

• $23.31

specifications injectiopug:

• for models: C250, 250
• for makes: Mercedes
• brand: Siemens
• part type: Engine Sensor
• manufacturer warranty: 1 Year
• manufacturer part number: A2709050200
• performance part: No

shipping injectiopug:

• service: USPS Ground Advantage
• class: Standard
• cost: $5.24
• carrier: USPS
• type: Calculated
• transit: 4-9 Days

offer injectiopug:

• best offers: True
• availability: In Stock
• sold: 0
• started: November 1, 2025
• quantity: 1
• options: Ship-to-home

returns injectiopug:

• policy: No Returns

seller injectiopug:

• rating: 100.0%
• # reviews: 15

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: Used

payments injectiopug:

• wallet: Google-pay
• other
• credit card: Mastercard

Siemens A2709050200 Is Similar To:

• Siemens 1703275 Bmw M52 Mass Air Flow Sensor Meter Maf Afm 1996-1999 328i M3 Oem Used (34.8% similar) $35.93–$89.99. (July 24th, 2025)
• New England Injectors 1370780049 Fuel Injector Rebuild Kit Siemens Fits Mercedes-benz 5.8l V12 01-02 (35.3% similar) $30.40–$285.00. (December 22nd, 2025)