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  3. MERCEDES 28732RCSX

MERCEDES 28732RCSX Accelerator Pedal Sensor

fits make: Mercedes. year: 2007–2009.

28732rcsx Genuine For 2007-2009 Mercedes Gl320 Accelerator Pedal Sensor 2008

( Manufacturer Part Number: 28732RCSX ), ( Part Type: Pedal Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Accelerator Pedal Sensor Up To A470939, Vertical Accelerati. ), ( Years: 2007 2008 2009 ), ( Application: Mercedes Gl320 Accelerator Pedal Sensor ), ( Cs-sku: 400 )

Review MERCEDES Genuine Accelerator Pedal Sensor fits GL320 2007–2009

The **28732-RCSX accelerator pedal sensor** is a precision-engineered component designed exclusively for the **2007 2009 Mercedes-Benz GL-Class (GL320) models**, ensuring seamless integration with the vehicle s advanced electronic throttle control system. This high-performance sensor plays a critical role in accurately detecting driver input from the accelerator pedal, translating mechanical movement into precise electrical signals that regulate engine power delivery, throttle response, and overall drivability. Crafted from durable, corrosion-resistant materials, the sensor features a robust internal design with a **hall-effect sensor technology**, which provides reliable and consistent feedback to the engine control unit (ECU) under varying driving conditions from gentle acceleration to aggressive throttle inputs. Its compact yet sturdy construction ensures compatibility with the GL320 s specific throttle linkage and mounting interface, minimizing clearance issues and ensuring a snug, interference-free fit. Whether navigating city traffic or cruising on the highway, this sensor delivers the responsiveness and refinement expected from a luxury Mercedes-Benz, helping maintain optimal engine performance, fuel efficiency, and a smooth, predictable driving experience. Ideal for both original equipment replacement and aftermarket upgrades, the **28732-RCSX** adheres to strict OEM specifications, guaranteeing compatibility with the GL320 s electronic systems while offering long-term reliability and ease of installation.

### **Pros and Cons of buying a Part Number 28732-RCS-X for a 2007-2009 Mercedes GL320 Accelerator Pedal Sensor (2008 Model)**

#### **Pros:**

1. **Direct Fitment** This part is specifically designed for the 2007-2009 Mercedes-Benz GL320 (including the 2008 model), ensuring compatibility without modifications.

2. **OEM Quality** As a genuine or high-quality aftermarket replacement, it should meet Mercedes-Benz s performance and durability standards, reducing the risk of premature failure.

3. **Improved Throttle Response** A faulty accelerator pedal sensor can cause erratic acceleration, stalling, or poor throttle control. Replacing it with a new unit should restore smooth and responsive acceleration.

4. **Prevents Engine Misfires or Check Engine Lights** A failing sensor can trigger OBD-II codes (e.g., P0120, P0121, P0122, P0123), leading to diagnostic trouble lights. Replacing it may resolve these issues.

5. **Long-Term Reliability** A properly installed new sensor should last the lifespan of the vehicle, provided it is installed correctly and the system is maintained.

6. **Warranty Coverage** If purchased from a reputable seller (e.g., an authorized dealer, trusted online retailer, or a well-reviewed aftermarket supplier), the part may come with a warranty, offering peace of mind.

7. **Ease of Installation** The sensor is relatively straightforward to replace, typically requiring only basic tools and minimal disassembly (e.g., removing the intake manifold or airbox, depending on the model year).

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#### **Cons:**

1. **Cost** Genuine OEM parts can be expensive, often ranging between **$150 $300** depending on the source. Aftermarket alternatives may be cheaper but could vary in quality.

2. **Potential Counterfeit Parts** Purchasing from untrusted sellers (e.g., eBay without seller verification, unknown online marketplaces) risks receiving a fake or low-quality part that fails quickly.

3. **Installation Complexity** While the job itself is manageable for a DIYer, some steps (e.g., recalibrating the sensor or resetting the ECU) may require specific tools or knowledge. Improper installation could lead to recurring issues.

4. **Additional Costs** Beyond the part, you may need to purchase **O-rings, gaskets, or a new throttle body** if they are damaged during removal. Some models may also require **recalibration** (e.g., using a Mercedes-Benz diagnostic tool like STAR or DAS).

5. **Compatibility Risks** While this part is listed for your GL320, slight variations in wiring or mounting between model years (e.g., 2007 vs. 2009) could cause issues if the part isn t a perfect match.

6. **Labor Time** If you re not comfortable with mechanical work, hiring a mechanic could add **$100 $200** in labor costs, increasing the total expense.

7. **Recalibration Necessity** Some Mercedes models require the accelerator pedal sensor to be recalibrated after replacement. This may require a **scan tool** or a visit to a dealership, adding to the inconvenience.

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### **Conclusion**

Replacing the accelerator pedal sensor (28732-RCS-X) in your 2008 Mercedes GL320 is a **necessary fix** if you re experiencing throttle-related issues, check engine lights, or poor engine performance. The benefits **restored functionality, reliability, and elimination of error codes** far outweigh the drawbacks if you source the part from a **trusted supplier** and handle the installation carefully.

However, the **high cost, potential for counterfeit parts, and installation challenges** make it a project best approached with research and preparation. If you re unsure about the installation, consulting a Mercedes specialist or dealership may be wise to avoid costly mistakes.

---

### **Recommendation**

1. **Source the Part Carefully**:

- Buy from **authorized Mercedes-Benz dealers**, **reputable aftermarket suppliers** (e.g., RockAuto, Amazon with verified sellers, or local Mercedes parts stores), or **eBay with seller feedback and return policies**.

- Avoid extremely cheap options (under $50) that may be counterfeit, as they often fail quickly and void warranties.

2. **Verify Compatibility**:

- Double-check that **28732-RCS-X** is the correct part for your **2008 GL320** (some years may have slight variations). Cross-reference with your vehicle s **VIN or service manual**.

3. **Prepare for Installation**:

- Gather the necessary tools (socket set, torque wrench, possibly a scan tool for recalibration).

- Have **O-rings or gaskets** on hand in case they need replacement.

- Watch **YouTube tutorials** specific to your model year for guidance.

4. **Consider Professional Help if Needed**:

- If you re uncomfortable with the job, a mechanic familiar with Mercedes vehicles can ensure proper installation and recalibration.

5. **Budget Accordingly**:

- Expect to spend **$150 $300 for the part** plus any additional consumables (e.g., gaskets). Factor in labor if outsourcing the work.

6. **Post-Installation Checks**:

- After replacement, **clear the check engine light** using an OBD-II scanner.

- Test drive the vehicle to ensure the throttle responds correctly and no new error codes appear.

- If issues persist, the sensor may not be the sole problem, or improper installation could be the cause.

**Final Verdict**: **Worth the investment** if done correctly, as it resolves critical drivability issues. Prioritize **quality over cost** to avoid repeated failures.

Details:

Parts Geek - For 2007 - 2009 Mercedes GL320 Accelerator Pedal Sensor Genuine 28732RCSX 2008: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Notes: Up A470939, Vertical Acceleration, At Front, With Aromatic / SAS ADS 12 Month Warranty Vehicle.

part #: 28732rcsx price

  • $148.42

specifications pedalspadsaz:

  • for makes: Mercedes
  • for years: 2007-2009
  • mpn: 28732rcsx
  • part type: Pedal Sensor
  • manufacturer warranty: 12 Month Warranty
  • notes: Accelerator Pedal Sensor Up To A470939, Vertical Accelerati.
  • years: 2007 2008 2009
  • application: Mercedes Gl320 Accelerator Pedal Sensor
  • cs-sku: 400

seller pedalspadsaz:

  • city: Branford, Connecticut
  • # reviews: 328806
  • rating: 98.8%

shipping pedalspadsaz:

  • service: FedEx Ground / FedEx Home Delivery
  • cost: $0.00
  • class: Standard
  • transit: 4-7 Days
  • type: Fixed
  • carrier: FedEx

general pedalspadsaz:

  • condition: New
  • Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts

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offer pedalspadsaz:

  • quantity: 1
  • availability: In Stock
  • sold: 0
  • started: April 17, 2026
  • options: Ship-to-home
for makes: mercedes, for years: 2007-2009, part type: pedal sensor, manufacturer warranty: 12 month warranty, notes: accelerator pedal sensor up to a470939, vertical accelerati., years: 2007 2008 2009, application: mercedes gl320 accelerator pedal sensor, cs-sku: 400,
category: auto parts > car truck parts accessories > interior parts accessories > pedal assemblies, pads parts, sku: 28178448955788603,
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1 offer $148.42 USD
  • New. Offer #1 priced at $148.42 + $0.00 shipping estimate = $148.42* total. Notes: Accelerator Pedal Sensor -- Up to A470939, Vertical Acceleration, At Front, With Airmatic / SAS / ADS.FREE SHIPPING

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