MERCEDES 2215408635 Rear Left Right Door Wiring Harness Benz Cable

( Manufacturer Part Number: 2215408635 ), ( Part Type: Wiring Door Harness Cable ), ( Placement On Vehicle: Door, Left, Rear, Right ), ( Country Of Origin: Germany )

Review MERCEDES benz S class Rear Left Or Right Door Wiring Harness Cable fits W221 2007–2013

The **Mercedes-Benz 2215408635 Rear Door Wiring Harness Cable** (compatible with the **W221 S-Class models from 2007 to 2013**) is a precision-engineered, high-quality electrical component designed to ensure seamless functionality and reliability within the vehicle s door control systems. This harness is a critical part of the rear door assembly, responsible for housing and protecting a network of electrical wires that connect essential features such as the power window regulators, door locks, interior and exterior lighting, and diagnostic sensors. Crafted from durable, flame-retardant materials, the harness is built to withstand the demanding conditions of automotive environments, including exposure to temperature fluctuations, moisture, and mechanical stress, ensuring long-term durability and performance.

The wiring harness features a meticulously organized layout, with each conductor carefully routed and secured to prevent chafing, fraying, or short-circuiting, which could lead to malfunctions such as erratic window operation, lock failures, or warning light activations. The connectors at both ends of the harness are designed for a secure, corrosion-resistant fit, often incorporating **Mercedes-Benz-specific crimp terminals or push-on connectors** that guarantee a reliable electrical connection while minimizing resistance. This component is engineered to maintain compatibility with the vehicle s **CAN (Controller Area Network) and LIN (Local Interconnect Network) communication protocols**, ensuring seamless integration with the S-Class s advanced driver-assistance and convenience systems.

For technicians and DIY enthusiasts, this wiring harness serves as an essential replacement part when dealing with damaged, worn, or corroded original wiring, which can occur due to age, environmental exposure, or physical damage from accidents or improper handling. Whether replacing a section of the harness due to a short circuit, a broken wire, or general wear and tear, this **OEM-quality part** ensures that the rear door systems operate with the same level of precision and efficiency as the factory-installed component. Its universal fitment across multiple model years within the W221 S-Class range makes it a versatile solution for restorers, mechanics, and owners seeking to maintain or upgrade their vehicle s electrical integrity without compromising on performance or safety standards. Proper installation, following Mercedes-Benz wiring diagrams and electrical specifications, is recommended to ensure optimal functionality and longevity.

### **Pros and Cons of buying a Mercedes-Benz W221 S-Class Rear Left/Right Door Wiring Harness Cable (Part Number: 2215408635, Years: 2007 2013)**

1. **Compatibility** This part is specifically designed for the Mercedes-Benz W221 S-Class (2007 2013), ensuring a direct fit without modification. It includes wiring for both the left and right rear doors, which simplifies installation and reduces the need for additional adapters or customization.

2. **Reliability** Mercedes-Benz parts, especially those from authorized dealers or reputable suppliers, are built to meet the manufacturer s high-quality standards. A genuine or high-quality aftermarket harness reduces the risk of electrical failures, short circuits, or intermittent issues that can arise from cheap or incompatible replacements.

3. **Functionality** The wiring harness is critical for door operations, including power windows, locks, sensors, and lighting. A faulty harness can cause malfunctions like windows not responding, doors locking/unlocking randomly, or sensor errors. Replacing it resolves these issues directly.

4. **Longevity** High-quality wiring harnesses are designed to withstand the environmental stresses of a vehicle s interior, including temperature fluctuations, moisture, and vibration. This minimizes the risk of premature wear or failure.

5. **Ease of Installation** Since this is a direct replacement part, it should integrate seamlessly with the existing wiring system. However, installation may require basic electrical knowledge or professional assistance, especially if additional soldering or connector repairs are needed.

6. **Preventative Maintenance** If the original harness is degraded (e.g., frayed wires, corroded connectors, or damaged insulation), replacing it proactively can prevent more extensive electrical problems down the line, such as fuse failures or control module malfunctions.

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1. **Cost** Genuine Mercedes-Benz parts can be expensive, especially if purchased directly from the dealer or authorized distributors. Aftermarket parts may offer cost savings but could compromise quality if sourced from untrusted suppliers. Prices can range from **$150 $400 **, depending on the seller and part authenticity.

2. **Installation Complexity** While the part itself is straightforward, removing the old harness may require disassembling door panels, trim pieces, or wiring looms. This can be time-consuming and may void warranties if done improperly. Professional installation adds labor costs (typically **$100 $300**).

3. **Potential for Counterfeit Parts** The aftermarket for Mercedes-Benz parts is saturated with counterfeit or low-quality replicas. These may fail prematurely, cause electrical shorts, or not fit correctly. Always verify the seller s reputation and part authenticity (e.g., check for proper packaging, serial numbers, or supplier certifications).

4. **Additional Repairs May Be Needed** If the harness failure is due to underlying issues (e.g., water damage, rodent chewing, or poor grounding), replacing just the harness may not fully resolve the problem. Inspecting the surrounding wiring and connectors is advisable.

5. **Limited Availability of Aftermarket Options** While genuine parts are always available, aftermarket options may be harder to find for specific years or configurations. Purchasing from a dealer ensures compatibility but at a higher cost.

6. **Time Off the Road** For DIYers, the project can take **2 6 hours** depending on experience. For those without mechanical/electrical skills, hiring a mechanic extends the downtime and cost.

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### **Conclusion**

Buying the **Mercedes-Benz W221 S-Class rear door wiring harness (2215408635)** is a practical solution for restoring proper door functionality if the original harness is faulty. The part offers **reliability, compatibility, and long-term performance**, but it comes with **higher costs and potential installation challenges**. The decision hinges on whether you prioritize **quality and longevity** (justifying the expense) or **cost savings** (risking lower-quality alternatives).

If the harness is the sole issue and you have the budget, a **genuine or high-quality aftermarket part** is the safest choice. If cost is a concern, verify the seller s credibility and consider **testing the harness for continuity** before purchasing to avoid unnecessary expenses.

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### **Recommendation**

1. **Verify the Issue** Confirm that the harness is indeed the root cause of the problem (e.g., check for blown fuses, damaged connectors, or software glitches in the door control module). A diagnostic scan (e.g., using an OBD-II tool) can help rule out other issues.

2. **Source the Part Wisely**

- **Genuine Parts:** Purchase from **Mercedes-Benz authorized dealers, MBStar, or reputable online retailers** (e.g., Amazon, eBay with verified sellers, or specialty auto parts stores like RockAuto or PartsGeek). Avoid "too good to be true" deals.

- **Aftermarket Parts:** If opting for aftermarket, choose brands with **Mercedes-Benz-specific experience** (e.g., **AEV, Bosch, or Continental**). Check reviews and ensure the part includes all necessary connectors and wiring.

3. **Budget for Installation**

- If DIYing, allocate time for research and careful disassembly. If unsure, hire a **Mercedes-Benz specialist** or an auto electrician to ensure proper installation and avoid future issues.

- Factor in **additional costs** for tools (e.g., crimping tool, wire strippers) or replacement connectors if the old harness is beyond repair.

4. **Consider Bundling** If both left and right door harnesses are failing, purchasing them together may save money and simplify installation.

5. **Post-Installation Checks**

- After installation, test all door functions (windows, locks, sensors, lighting) to ensure the harness is working correctly.

- Monitor for **intermittent issues** (e.g., windows sticking) that could indicate improper connections or hidden damage.

**Final Verdict:** **Worth the investment** if the harness is confirmed faulty and you want a durable, long-term fix. Prioritize **quality over price** to avoid recurring problems. For those on a tight budget, weigh the risks of aftermarket parts carefully.

Details:

Please, do your research before buying, NOT after Engine: 5.5L V8. Use the part number, pictures and provided to make sure this fits your vehicle. 2007 2008 2009 2010 2011 2012 2013.

part #: 2215408635 prices

• $51.00-$75.99

specifications interiorlightsot:

• for models: W221
• for makes: Mercedes
• for years: 2007-2013
• mpn: 2215408635
• part type: Wiring Door Harness Cable
• placement on vehicle: Door, Left, Rear, Right
• country of origin: Germany

seller interiorlightsot:

• rating: 99.6%
• city: Moore, South Carolina
• # reviews: 4699

shipping interiorlightsot:

• transit: 3-8 Days
• service: USPS Priority Mail
• cost: $0.00
• class: Expedited
• type: Calculated
• carrier: USPS

payments interiorlightsot:

• credit card: Mastercard
• wallet: Google-pay
• other

returns interiorlightsot:

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

general interiorlightsot:

• condition: Used
• Car Truck Parts Accessories > Lighting Lamps > Interior Light Assemblies

offer interiorlightsot:

• options: Ship-to-home
• sold: 0
• started: March 2, 2026
• availability: In Stock
• quantity: 1

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