MERCEDES A1644404634 Trunk Lid Wire Harness Benz

( Manufacturer Part Number: A1644404634 ), ( Type: Trunk Lid Wire Harness ), ( Oe/oem Part Number: 1644404634, A1644404634 ), ( Color: Black ), ( Country Of Origin: Germany ), ( Placement On Vehicle: Rear )

Review MERCEDES benz Ml Trunk Lid Wire Harness Oem fits W164 ML500 2007

The **Mercedes-Benz A1644404634 (2007 W164 ML500) Trunk Lid Wire Harness** is a precision-engineered automotive component designed exclusively for the luxury Mercedes-Benz ML-Class (W164) model series, specifically tailored to the high-performance **ML500** variant from the 2007 production year. This harness serves as a critical electrical interface within the vehicle s trunk lid mechanism, ensuring seamless communication between the trunk release system, power actuators, and the vehicle s central control modules. Crafted from high-quality, automotive-grade materials, this wire harness is built to withstand the rigorous demands of daily use, including exposure to temperature fluctuations, moisture, and mechanical stress, all while maintaining optimal electrical conductivity and durability. The harness features a meticulously organized wiring layout, incorporating shielded cables and robust connectors to prevent signal interference and ensure reliable operation of the trunk s power-assisted opening and closing functions. Whether used for original equipment replacement during routine maintenance or as part of a comprehensive restoration project, this harness guarantees compatibility with the ML500 s sophisticated electronics, including the trunk s keyless entry system and integrated lighting controls. Its precise engineering aligns with Mercedes-Benz s stringent quality standards, providing both functionality and longevity for enthusiasts and professional technicians alike.

### Pros and Cons of buying a Mercedes-Benz A1644404634 (2007 W164 ML500 Trunk Lid Wire Harness)

1. **Authenticity and Fitment** This is an original or high-quality reproduction part designed specifically for the 2007 Mercedes-Benz ML500 (W164). It ensures a proper fit and function without the risk of compatibility issues that can arise with aftermarket parts that are not tailored to the exact model.

2. **Reliability and Durability** Mercedes-Benz parts, even older ones, are generally built to last. The trunk lid wire harness is a critical component that, when functioning correctly, contributes to the reliability of the vehicle s electrical systems, particularly in the trunk area (e.g., lighting, sensors, or other integrated features).

3. **Preventative Maintenance** If the harness is worn, damaged, or corroded, replacing it proactively can prevent more significant electrical issues down the line. A failing harness might cause intermittent problems like non-functional trunk lights, sensor malfunctions, or even safety-related failures (e.g., trunk release issues).

4. **Resale Value Preservation** Keeping the vehicle in good condition with original or OEM-quality parts can help maintain its resale value, especially for luxury vehicles like the ML500, where buyers often expect high standards of maintenance.

5. **Compatibility with Upgrades** If you plan to modify or upgrade other components in the trunk area (e.g., adding a spare tire cover, cargo organizers, or aftermarket lighting), a functional wire harness ensures that these additions integrate smoothly without electrical conflicts.

6. **Avoiding DIY Risks** If you re not experienced with electrical work, using a known-good harness reduces the risk of improper wiring, short circuits, or damage to other systems during installation.

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1. **Cost** OEM or high-quality reproduction parts for Mercedes-Benz vehicles can be expensive. The price of this specific harness may be higher than generic aftermarket alternatives, which could be a significant investment if the vehicle is no longer in active use or if you re on a tight budget.

2. **Age and Availability** The 2007 ML500 is an older model, and while this part may still be available, sourcing it could be more challenging than for newer vehicles. You may need to rely on specialty suppliers, eBay, or used parts markets, which could introduce risks like counterfeit or damaged items.

3. **Installation Complexity** The trunk lid wire harness may require disassembling parts of the trunk lid or bodywork to access and replace. This could be labor-intensive, especially if you lack mechanical experience. Professional installation may be necessary, adding to the overall cost.

4. **Potential for Overkill** If the harness is not the root cause of a specific issue (e.g., a problem might stem from a faulty trunk release switch or corroded connectors elsewhere), replacing it alone may not resolve the problem. Diagnosing the exact cause could require additional time and expense.

5. **Environmental Exposure** The trunk lid harness is exposed to the elements (moisture, dust, temperature fluctuations) and may degrade over time. Even if the part itself is new, improper sealing during installation could lead to future issues like corrosion or water ingress.

6. **Alternative Solutions** In some cases, repairing the existing harness (e.g., cleaning corroded connectors, replacing damaged wires) might be a more cost-effective solution than a full replacement. If the harness is only partially faulty, this could be a viable alternative.

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Buying the Mercedes-Benz A1644404634 trunk lid wire harness for your 2007 ML500 is a practical choice if you suspect the harness is failing or if you re performing routine maintenance to ensure long-term reliability. The part s authenticity and fitment justify the investment for those who prioritize quality and compatibility. However, the cost, potential installation challenges, and the need for accurate diagnosis of the underlying issue should be carefully considered.

If the harness is the confirmed source of electrical problems (e.g., trunk lights not working, sensor failures, or intermittent trunk release issues), replacing it is a sound decision. Conversely, if the problem is elsewhere or if the harness is only mildly degraded, exploring repair options or consulting a specialist first could save money.

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1. **Verify the Issue** Before purchasing, confirm that the trunk lid wire harness is indeed the problem. Use a multimeter or consult a Mercedes-Benz specialist to test the harness for continuity, resistance, or damage. This avoids unnecessary spending on a part that may not fix the issue.

2. **Source from a Reputable Supplier** Purchase the part from an authorized Mercedes-Benz dealer, a trusted online retailer (e.g., RockAuto, eBay with verified sellers), or a parts specialist with a good return policy. Avoid counterfeit or low-quality replicas that could cause further problems.

3. **Consider Professional Installation** If you re not comfortable with electrical work or body panel disassembly, have a qualified mechanic or Mercedes-Benz service center install the harness. This ensures proper routing, sealing, and connection, reducing the risk of future issues.

4. **Budget for Additional Costs** Account for potential labor costs, tools, or other materials needed during installation. If the harness is part of a larger repair (e.g., replacing a trunk lid or related components), factor those expenses into your decision.

5. **Explore Alternatives** If the harness is only partially functional, assess whether repairing it (e.g., replacing a section of wire or cleaning connectors) is feasible. In some cases, this could be a more economical solution.

6. **Document the Repair** Keep records of the replacement, including the part number, installation date, and any associated work. This documentation can be useful for future diagnostics, warranty claims, or resale purposes.

**Final Verdict:** If the harness is confirmed faulty and you value reliability and longevity, purchasing and replacing it is a wise investment. However, weigh the cost against the potential benefits and ensure you re addressing the root cause of any electrical issues. For most owners of a luxury vehicle like the ML500, the peace of mind and long-term reliability outweigh the drawbacks.

Details:

This item is in full working condition. Everything can be resolved. COMPATIBILITY: The exact part number match is the only guarantee of fitment. INTERIOR: LEATHER - BLACK/ANTHRACITE 201A.

This item was previously used and may show some signs of imperfection. ENGINE CODE: 113964 30 747420. TRANSMISSION CODE: 722901 01 100894. TRANSMISSION: 7-speed automatic electronically controlled drive-adaptive transmission-inc: Direct Select shiftier, Touch Shift, fingertip shift controls, optimum gear programming.

part #: a1644404634 prices

• $50.00-$79.20

specifications trunklipa:

• for models: W164, Ml500
• for makes: Mercedes
• for years: 2007
• mpn: A1644404634
• type: Trunk Lid Wire Harness
• oe/oem part number: 1644404634, A1644404634
• color: Black
• country of origin: Germany
• placement on vehicle: Rear

payments trunklipa:

• wallet: Apple-pay
• other
• credit card: Discover

general trunklipa:

• Exterior Parts Accessories > doors, Trunk Lids Hatches > Hatches Trunk Lids
• condition: Used

returns trunklipa:

• paid by: Buyer
• policy: Returns Accepted
• time: 60 Days

seller trunklipa:

• city: Newark, New Jersey
• rating: 99.7%
• # reviews: 18360

shipping trunklipa:

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

offer trunklipa:

• best offers: True
• options: Ship-to-home
• started: March 10, 2026
• sold: 0
• quantity: 1
• availability: In Stock

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