1. Pedal Assemblies Deals
  2. sku: 27842899612181731
  3. MERCEDES 26ZKNZ

MERCEDES 26ZKNZ Accelerator Pedal Sensor

fits make: Mercedes. year: 2003–2005.

26zknz Replacement Accelerator Pedal Sensor Fits Mercedes Ml350 2003-2005

( Manufacturer Part Number: 26ZKNZ ), ( Part Type: Pedal Sensor ), ( Compatible Make/model: Mercedes Ml350 ), ( Compatible Years: 2003 2004 2005 03 04 05 ), ( 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 fits ML350 2003–2005

The **26ZKNZ Accelerator Pedal Sensor** for the **Mercedes-Benz ML350 (W164) from model years 2003 to 2005** is a precision-engineered component designed to ensure seamless communication between the driver s input and the vehicle s electronic throttle control system. This critical sensor, often referred to as the accelerator pedal position sensor (APPS), plays a pivotal role in regulating engine performance by accurately detecting the driver s throttle position and transmitting this data to the engine control unit (ECU). Crafted with high-grade materials and engineered to Mercedes-Benz s exacting standards, this sensor features a robust, corrosion-resistant construction that guarantees durability even in demanding driving conditions. The 26ZKNZ is compatible with the **OM646 V8 engine** found in the ML350, providing reliable throttle response and contributing to the vehicle s smooth, responsive driving dynamics. Whether navigating city streets or cruising on the highway, this sensor ensures optimal engine efficiency, precise acceleration, and adherence to the vehicle s original performance specifications. Replacing a faulty or worn-out accelerator pedal sensor with this OEM-quality part restores the ML350 s intended throttle control, eliminates erratic acceleration, and prevents potential warning lights from appearing on the dashboard. Ideal for both restoration projects and routine maintenance, this sensor is a must-have upgrade for owners seeking to maintain their ML350 s legendary performance and reliability.

### Pros and Cons of Buying a 26ZKNZ Accelerator Pedal Sensor for a Mercedes ML350 (2003 2005)

#### **Pros:**

1. **Compatibility and Fit:** The 26ZKNZ accelerator pedal sensor is a direct replacement part for the Mercedes-Benz ML350 (2003 2005) models equipped with the M113 or M114 engine. It is designed to match the original specifications, ensuring a proper fit without modifications.

2. **Reliability:** As an OEM or high-quality aftermarket part, it should function reliably, reducing the risk of sudden failures that could leave you stranded or cause drivability issues.

3. **Performance Consistency:** A properly functioning accelerator pedal sensor ensures smooth throttle response, which is critical for both driving comfort and engine performance. A faulty sensor can cause erratic acceleration or hesitation.

4. **Ease of Installation:** Many aftermarket sensors are designed for straightforward installation, often requiring only basic tools. This can save time and labor costs compared to more complex repairs.

5. **Cost-Effective:** Replacing a faulty accelerator pedal sensor is generally less expensive than overhauling the entire throttle body or fuel injection system, which may be required if the sensor fails repeatedly.

6. **Prevents Further Damage:** A failing accelerator pedal sensor can send incorrect signals to the engine control unit (ECU), potentially leading to fuel inefficiency, rough idling, or even damage to other components like the catalytic converter or oxygen sensors. Replacing it early can prevent these issues.

7. **Warranty Coverage:** If purchasing from a reputable seller or brand, the part may come with a warranty, providing peace of mind against defects.

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#### **Cons:**

1. **Quality Variability:** Not all aftermarket parts are created equal. Some cheaper or counterfeit sensors may fail prematurely or lack durability, leading to repeated replacements. Researching the brand and reading reviews can mitigate this risk.

2. **Potential for Compatibility Issues:** While the 26ZKNZ is designed for your vehicle, there is a slight chance of minor incompatibilities, such as slight differences in mounting or wiring. Always verify the part s specifications against your vehicle s service manual.

3. **Installation Challenges:** If you are not mechanically inclined, installing the sensor yourself may be tricky, especially if it requires disassembling parts of the throttle body or pedal assembly. Professional installation may be necessary, adding to the cost.

4. **Diagnostic Costs:** Before purchasing, you may need to confirm that the sensor is indeed the issue. Diagnostic trouble codes (e.g., P0120, P0121, P0122, P0123) can be read using an OBD-II scanner, which may incur additional costs if you don t already have one.

5. **Limited Lifespan:** Like any mechanical or electronic component, the sensor may wear out over time, especially if the vehicle is driven aggressively or in harsh conditions. Regular maintenance and inspection can help extend its lifespan.

6. **Availability of OEM Parts:** While aftermarket parts are convenient, OEM sensors may offer better long-term reliability but can be more expensive. If you prefer OEM, ensure the part is genuine to avoid counterfeit issues.

7. **Potential for Overpaying:** Some sellers may mark up prices for rare or high-demand parts. Comparing prices across multiple retailers can help you secure a fair deal.

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### **Conclusion:**

The 26ZKNZ accelerator pedal sensor is a practical and necessary replacement for a Mercedes ML350 (2003 2005) experiencing throttle-related issues. The benefits of restoring proper throttle function, preventing further engine damage, and improving drivability outweigh the minor risks associated with quality variability or installation challenges. However, it is essential to prioritize quality, verify compatibility, and consider professional installation if needed to ensure a successful repair.

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### **Recommendation:**

1. **Verify the Issue:** Use an OBD-II scanner to confirm that the accelerator pedal sensor is the source of the problem. Codes like P0120 P0123 indicate sensor-related issues.

2. **Choose a Reputable Seller:** Purchase from trusted brands or sellers with positive reviews, such as OE or high-quality aftermarket suppliers like ACDelco, Bosch, or local Mercedes-Benz specialty parts stores.

3. **Check for Genuine OEM Options:** If budget allows, consider a genuine Mercedes-Benz part for long-term reliability, though aftermarket options can be equally effective if sourced carefully.

4. **Prepare for Installation:** Gather the necessary tools and follow a step-by-step guide or video tutorial. If unsure, consult a mechanic to avoid damaging other components during the process.

5. **Test After Installation:** After replacing the sensor, clear the trouble codes and test-drive the vehicle to ensure the issue is resolved. Monitor for any recurring symptoms.

By taking these steps, you can confidently proceed with the replacement and enjoy a smoother, more reliable driving experience.

Details:

12 Month Warranty. Replacement Accelerator Pedal Sensor fits Mercedes ML350 2003 - 2005 26ZKNZ: Brand: condition: New Notes: Acelerator Pedal Value Sensor Remark, Detailed Applications Years: Vehicle: 2003 - 2005 Mercedes.

part #: 26zknz price

  • $92.94

specifications pedalspadsaz:

  • for makes: Mercedes
  • for years: 2003-2005
  • mpn: 26zknz
  • part type: Pedal Sensor
  • compatible make/model: Mercedes Ml350
  • compatible years: 2003 2004 2005 03 04 05
  • 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:

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

payments pedalspadsaz:

  • credit card: Diners-club
  • wallet: Paypal
  • other

general pedalspadsaz:

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

shipping pedalspadsaz:

  • transit: 3-7 Days
  • cost: $0.00
  • class: Economy
  • service: Economy
  • type: Fixed

offer pedalspadsaz:

  • quantity: 1
  • started: March 30, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

seller pedalspadsaz:

  • city: New Bedford, Massachusetts
  • rating: 99.2%
  • # reviews: 23574
for makes: mercedes, for years: 2003-2005, part type: pedal sensor, compatible make/model: mercedes ml350, compatible years: 2003 2004 2005 03 04 05, 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: 27842899612181731,
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  • New. Offer #1 priced at $92.94 + $0.00 shipping estimate = $92.94* total. 12 Month Warranty Notes: Accelerator Pedal Sensor -- Acelerator Pedal Sensor (Pedal Value Sensor).FREE SHIPPING

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