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  3. MERCEDES 21DSSG

MERCEDES 21DSSG Accelerator Pedal Sensor Wagon

fits make: Mercedes. year: 2000–2003.

21dssg Replacement Accelerator Pedal Sensor Fits Mercedes E320 2000-2003 Wagon

( Manufacturer Part Number: 21DSSG ), ( Part Type: Pedal Sensor ), ( Trim: Wagon, Base, 4matic ), ( Compatible Make/model: Mercedes E320 ), ( Compatible Years: 2000 2001 2002 2003 00 01 02 03 ), ( Fitment Info: Accelerator Pedal Sensor Acelerator Pedal Sensor ), ( Important Info: 0125423317 ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review MERCEDES Replacement Accelerator Pedal Sensor Wagon fits E320 2000–2003

The **21DSSG Accelerator Pedal Sensor for Mercedes-Benz E320 (2000 2003 Wagon)** is a precision-engineered component designed to ensure seamless and responsive throttle control in your vehicle s electronic throttle system. This direct-fit replacement sensor is meticulously crafted to match the exact specifications of the original equipment manufacturer (OEM), guaranteeing compatibility with the E320 s 2.7L V6 engine and its associated fuel-injection and engine control unit (ECU) interfaces. Engineered with high-quality materials, the sensor features a robust, corrosion-resistant construction that withstands the rigors of daily driving, including exposure to moisture, temperature fluctuations, and mechanical stress. The internal circuitry is calibrated to deliver accurate throttle position signals to the ECU, allowing for optimal engine performance, smooth acceleration, and precise idle management critical for maintaining the E320 s signature blend of power and refinement.

This accelerator pedal sensor operates as part of the vehicle s drive-by-wire system, eliminating the traditional mechanical linkage between the pedal and throttle body. By leveraging advanced Hall-effect or potentiometric technology (depending on the model variant), it provides real-time feedback to the ECU, enabling adaptive fuel delivery, transmission shifting, and even adaptive cruise control functions. The sensor s compact yet durable design ensures it integrates flawlessly into the existing pedal assembly, requiring no additional modifications or wiring adjustments. Whether your E320 is used for spirited driving on winding roads or effortless highway cruising, this sensor delivers the reliability and responsiveness expected from Mercedes-Benz engineering.

For owners experiencing symptoms such as erratic idle, delayed acceleration, check engine lights (P0120, P0121, or P0122 codes), or a "stuck" throttle response, this replacement sensor offers a straightforward solution. Its universal fit ensures it aligns perfectly with the E320 s pedal assembly, eliminating the need for customization or aftermarket adapters. Built to withstand the demands of modern driving conditions, it also contributes to improved fuel efficiency by ensuring the engine receives precise throttle inputs, reducing unnecessary strain on the powertrain. Whether you re restoring an older E320 to its original glory or addressing a performance-related issue, this sensor is an essential upgrade that bridges the gap between mechanical reliability and electronic sophistication.

### Pros and Cons of Buying a 21DSSG Accelerator Pedal Sensor for a Mercedes-Benz E320 (2000 2003 Wagon)

#### **Pros:**

1. **Compatibility and Fit:** The 21DSSG accelerator pedal sensor is specifically designed for the Mercedes-Benz E320 (2000 2003) wagon, ensuring a direct fit without modifications. This reduces the risk of installation issues or compatibility problems that may arise with aftermarket parts.

2. **Reliability and Performance:** The OEM (Original Equipment Manufacturer) sensor is built to the same high standards as the factory component, which means it should provide consistent and accurate throttle response. This can improve the vehicle s drivability, especially if the original sensor was failing or malfunctioning.

3. **Durability:** OEM parts are typically made from high-quality materials and undergo rigorous testing, making them more durable than many aftermarket alternatives. This can extend the lifespan of the sensor and reduce the likelihood of premature failure.

4. **Warranty Coverage:** Purchasing an OEM or high-quality aftermarket sensor may come with a warranty, offering some level of protection against defects or early failure. This can provide peace of mind, especially if the sensor is a critical component for safe operation.

5. **Ease of Installation:** Since the sensor is designed for your specific vehicle, it should integrate seamlessly with the existing throttle system. This can simplify the installation process, even for those with moderate mechanical experience, though professional installation is still recommended for complex systems like the accelerator pedal sensor.

6. **Maintenance of Resale Value:** Keeping the vehicle stock or with genuine parts can help maintain its resale value, particularly if you plan to sell the car in the future. Buyers often prefer vehicles that have been well-maintained with original or high-quality components.

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#### **Cons:**

1. **Cost:** OEM accelerator pedal sensors can be significantly more expensive than aftermarket alternatives. The price may be a barrier, especially if you are on a tight budget or looking for a cost-effective solution.

2. **Availability and Lead Times:** Depending on the supplier, OEM sensors may not always be in stock, leading to longer wait times for delivery. Aftermarket options might offer quicker availability, though quality can vary.

3. **Potential for Counterfeit Parts:** When purchasing OEM or high-quality aftermarket parts, there is a risk of receiving counterfeit or low-quality replicas, especially if buying from untrusted sellers. Always verify the seller s reputation and authenticity of the part.

4. **Mixed Reviews on Aftermarket Alternatives:** While some aftermarket sensors may be reliable, others have been reported to malfunction or fail prematurely. This inconsistency can be frustrating, particularly if the sensor is critical for safe driving.

5. **Installation Complexity:** Although the sensor itself may fit easily, the installation process could involve working with electrical wiring, sensors, or the throttle body, which may require some mechanical skill or professional assistance. Improper installation could lead to further issues or even damage to the vehicle s system.

6. **Age of the Vehicle:** The Mercedes E320 (2000 2003) is an older model, and some of its components, including the accelerator pedal sensor, may be prone to wear or failure over time. Even with a replacement sensor, other related systems (e.g., throttle body, wiring, or ECU) might need attention to ensure optimal performance.

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### **Conclusion:**

The 21DSSG accelerator pedal sensor for your Mercedes E320 wagon is a critical component that directly impacts throttle response, fuel efficiency, and overall drivability. If the original sensor is faulty or failing, replacing it with an OEM or high-quality aftermarket sensor is a wise investment to restore proper functionality and safety.

The decision ultimately depends on your priorities:

- If **reliability, longevity, and compatibility** are your top concerns, an OEM sensor is the best choice, despite the higher cost.

- If **budget is a constraint**, carefully research reputable aftermarket brands with good reviews and warranties to balance cost and quality.

- Regardless of the choice, ensure the sensor is installed correctly to avoid further complications.

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### **Recommendation:**

1. **Verify the Sensor s Condition:** Before purchasing, confirm that the original sensor is indeed faulty by testing it (e.g., checking for erratic throttle response, stalling, or warning lights on the dashboard). If symptoms persist, a replacement is likely necessary.

2. **Choose a Trusted Supplier:** Purchase the sensor from a reputable seller, such as an authorized Mercedes-Benz parts dealer, a well-reviewed online retailer, or a trusted local mechanic. Avoid unknown or untrusted sources to minimize the risk of counterfeit parts.

3. **Consider Professional Installation:** While some may attempt DIY installation, the accelerator pedal sensor is part of a complex system. If you lack experience with automotive electrical or throttle systems, have a professional mechanic install it to ensure proper calibration and functionality.

4. **Inspect Related Components:** While replacing the sensor, take the opportunity to inspect and service related parts, such as the throttle body, wiring harness, and ECU connections. This can prevent future issues and ensure the sensor operates optimally.

5. **Test the Sensor After Installation:** After replacing the sensor, thoroughly test the vehicle s throttle response, acceleration, and overall performance. Monitor for any warning lights or unusual behavior that may indicate improper installation or compatibility issues.

By following these steps, you can make an informed decision and ensure that your Mercedes E320 remains reliable and safe to drive.

Details:

Replacement Accelerator Pedal Sensor fits Mercedes E320 2000 - 2003 Wagon 21DSSG: Brand: condition: New Notes: Acelerator Pedal Value Sensor Remark, Detailed Applications Years: Vehicle: Sub model: Body: 2003 Mercedes E3204Matic, E320BaseWagon, 2000 - 2002 Mercedes.

part #: 21dssg price

  • $92.95

specifications pedalspadsaz:

  • for makes: Mercedes
  • for years: 2000-2003
  • mpn: 21dssg
  • part type: Pedal Sensor
  • trim: Wagon, Base, 4matic
  • compatible make/model: Mercedes E320
  • compatible years: 2000 2001 2002 2003 00 01 02 03
  • fitment info: Accelerator Pedal Sensor Acelerator Pedal Sensor
  • important info: 0125423317
  • manufacturer warranty: 12 Month Warranty
  • attention: Read Full Description To Confirm Fitment
  • cs-sku: 400

returns pedalspadsaz:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

offer pedalspadsaz:

  • quantity: 1
  • sold: 0
  • started: March 26, 2026
  • availability: In Stock
  • options: Ship-to-home

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seller pedalspadsaz:

  • rating: 99.1%
  • # reviews: 23426
  • city: Monroe Township, New Jersey

shipping pedalspadsaz:

  • service: Economy
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  • cost: $0.00
  • type: Fixed
  • transit: 4-7 Days

general pedalspadsaz:

  • Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts
  • condition: New
for makes: mercedes, for years: 2000-2003, part type: pedal sensor, trim: wagon, base, 4matic, compatible make/model: mercedes e320, compatible years: 2000 2001 2002 2003 00 01 02 03, fitment info: accelerator pedal sensor acelerator pedal sensor, important info: 0125423317, manufacturer warranty: 12 month warranty, attention: read full description to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > interior parts accessories > pedal assemblies, pads parts, sku: 27763988840408604,
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1 offer $92.95 USD
  • New. Offer #1 priced at $92.95 + $0.00 shipping estimate = $92.95* total. Product Remark: 0125423317. Notes: Accelerator Pedal Sensor -- Acelerator Pedal Sensor (Pedal Value Sensor).FREE SHIPPING

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