MERCEDES 463-905-85-00 Fill Benz Level Sensor

( Manufacturer Part Number: 463-905-85-00 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 500 On The Diagram Is Included )

Review MERCEDES benz Genuine Fill Level Sensor

The **Mercedes-Benz 463-905-85-00 Fill Level Sensor** is a precision-engineered component designed exclusively for the advanced fuel and fluid monitoring systems found in select Mercedes-Benz vehicles, ensuring optimal performance, safety, and longevity of critical hydraulic and lubrication circuits. This high-quality sensor, manufactured to Mercedes-Benz s stringent OEM specifications, plays a pivotal role in maintaining the integrity of systems such as the **4MATIC differential, power steering, or automatic transmission**, where precise fluid levels are essential for seamless operation and protection against wear or failure. Crafted from durable materials including robust metal housings and corrosion-resistant coatings, the sensor is built to withstand the demanding conditions of automotive environments, including exposure to extreme temperatures, vibrations, and chemical exposure from synthetic and mineral-based fluids. Its advanced design incorporates a **magnetic or capacitive fill level detection mechanism**, allowing for real-time monitoring of fluid levels without mechanical contact, thereby minimizing the risk of contamination or mechanical failure. The sensor s compact yet robust construction ensures seamless integration into the vehicle s existing wiring harness and control module, interfacing directly with the **MBUX infotainment system or engine control unit (ECU)** to provide accurate diagnostics and alerts when fluid levels fall below optimal thresholds. Whether installed in a **high-performance AMG model, a luxury sedan, or a rugged SUV**, this sensor guarantees reliable performance, helping to prevent costly repairs by alerting drivers to potential issues before they escalate. As a direct replacement part, it adheres to Mercedes-Benz s **Daimler AG quality standards**, ensuring compatibility with the latest diagnostic tools and software updates, making it an indispensable component for both professional technicians and discerning owners seeking to preserve their vehicle s performance and resale value.

### **Pros and Cons of Buying a Mercedes-Benz 463-905-85-00 Fill Level Sensor**

1. **Compatibility and Reliability** This part is an original or high-quality aftermarket replacement designed specifically for Mercedes-Benz vehicles, ensuring proper fit and function. It helps maintain accurate fuel level readings, preventing false low-fuel warnings or incorrect fuel gauge behavior.

2. **Prevents Fuel Gauge Malfunctions** A faulty fill level sensor can cause erratic fuel readings, leading to unnecessary refueling or, conversely, running out of fuel unexpectedly. Replacing it restores proper fuel monitoring.

3. **Potential Fuel Efficiency Improvement** If the sensor was failing intermittently, replacing it may help the vehicle s ECU (Engine Control Unit) provide more consistent fuel delivery, indirectly improving fuel economy.

4. **Avoids Long-Term Damage** A failing sensor can sometimes lead to secondary issues, such as fuel pump strain or incorrect diagnostic trouble codes (DTCs). Replacing it early prevents further complications.

5. **Aftermarket vs. OEM Options** If purchasing a high-quality aftermarket sensor (e.g., from reputable brands like ACDelco, Bosch, or OE-quality suppliers), it can be more cost-effective than an original Mercedes-Benz part while maintaining reliability.

6. **Ease of Installation** This sensor is typically located near the fuel tank and can be replaced with basic tools (socket set, wrench, and possibly a fuel pump disconnect). Many DIYers can install it without professional help.

7. **Warranty Coverage (If Applicable)** Some aftermarket sensors come with warranties, providing peace of mind against early failure.

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1. **Cost** While aftermarket sensors are cheaper than OEM parts, they still represent a significant investment, especially if labor costs are involved. Prices can range from **$50 $150 ** depending on quality and brand.

2. **Potential Counterfeit Parts** Buying from untrusted sellers (e.g., unknown online marketplaces) risks receiving low-quality or counterfeit sensors that fail prematurely. Always purchase from verified suppliers.

3. **Diagnostic Confusion** If the sensor was failing intermittently, the issue might have been masked by other problems (e.g., a faulty fuel pump or wiring issue). Replacing just the sensor without further diagnostics could leave the problem unresolved.

4. **Installation Challenges** In some vehicles, accessing the sensor requires removing the fuel tank or dealing with tight spaces. Improper installation (e.g., not properly seating the sensor or damaging the float mechanism) can lead to recurring issues.

5. **Mixed Reviews on Aftermarket Quality** While many aftermarket sensors work well, others may have inconsistent performance, especially in older vehicles. OEM parts are generally more reliable but cost more.

6. **Additional Costs** If the sensor is part of a larger fuel system issue (e.g., a failing fuel pump, corroded wiring, or a damaged float), replacing just the sensor may not fully resolve the problem, leading to extra expenses.

7. **Time-Consuming for DIYers** If unfamiliar with fuel system work, the process may take longer than expected, especially if tools or additional steps (e.g., draining fuel) are required.

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### **Conclusion**

The **Mercedes-Benz 463-905-85-00 fill level sensor** is a critical but often overlooked component that, when faulty, can cause significant inconvenience. **Replacing it is generally a wise investment** if you re experiencing inaccurate fuel readings, erratic gauge behavior, or warning lights related to the fuel system. The benefits restored functionality, prevention of further issues, and improved driving confidence outweigh the drawbacks for most owners.

- **Verify the exact issue** (e.g., run a diagnostic scan to confirm the sensor is the problem).

- **Choose a reputable supplier** to avoid counterfeit or low-quality parts.

- **Consider professional installation** if unsure about DIY work, especially in vehicles with complex fuel systems.

- **Check for bundled deals** some sellers offer discounts when buying related parts (e.g., fuel pump, wiring harness).

For most Mercedes-Benz owners dealing with a confirmed sensor failure, **replacing it is a cost-effective solution** that avoids more severe problems down the line. If budget is a concern, prioritize a **high-quality aftermarket sensor** from a trusted brand over a cheap, unknown part.

- **If the sensor is confirmed faulty and symptoms are present**, proceed with replacement.

- **Opt for an aftermarket sensor from a well-reviewed brand** (e.g., Bosch, ACDelco, or a Mercedes-Benz-approved aftermarket supplier) to balance cost and reliability.

- **If unsure about installation**, consult a Mercedes-Benz specialist or an auto electrician to ensure proper fitting and wiring.

- **Avoid generic or no-name parts** to prevent premature failure and potential fuel system issues.

Replacing the sensor is a straightforward fix for a common but frustrating problem **doing so will restore proper fuel monitoring and prevent future complications.**

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging. Electrical parts are not returnable.

part #: 4639058500 prices

• $145.14-$157.68

specifications ocoosys:

• for makes: Mercedes
• mpn: 463-905-85-00
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 500 On The Diagram Is Included

general ocoosys:

• condition: New
• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

shipping ocoosys:

• type: Fixed
• class: Standard, Expedited
• carrier: UPS
• transit: 4-9 Days
• cost: $0.00
• service: UPS Ground, UPS 2nd Day Air

payments ocoosys:

• other
• wallet: Paypal
• credit card: Mastercard

offer ocoosys:

• quantity: 1
• availability: In Stock
• started: April 25, 2026
• sold: 0
• options: Ship-to-home

seller ocoosys:

• city: Arlington, Virginia
• # reviews: 1370
• rating: 100.0%

returns ocoosys:

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

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