MERCEDES 1638201042 Windshield Wiper Motor Benz

( Manufacturer Part Number: 1638201042 ), ( Part Type: Wiper Windshield Motor ), ( Id: 9d36efa4-8d63-433f-a064-f621d5595174 ), ( Interchange: 620-58426 )

Review MERCEDES benz Windshield Wiper Motor Oem fits ML320 1998–1999

The **Mercedes-Benz 1638201042 Wiper Motor (1998 1999 ML320)** is a precision-engineered component designed to deliver flawless windshield clearance and driver confidence in one of the most iconic luxury SUVs of the late '90s. This high-performance wiper motor is engineered to withstand the demands of Mercedes-Benz s signature blend of sophistication and durability, ensuring reliable operation even in harsh weather conditions. Built with the same meticulous attention to detail as the rest of the ML320 s interior and exterior, this motor features a robust yet refined construction, incorporating a sealed and corrosion-resistant design to protect against moisture, dust, and road debris. The unit operates with smooth, silent efficiency, thanks to its advanced brushless DC motor technology, which minimizes vibration and wear while maximizing longevity. Its compact yet sturdy housing integrates seamlessly with the ML320 s sleek windshield assembly, allowing for precise wiper arm synchronization and adjustable sweep patterns whether in intermittent, low-speed, or high-speed modes. The motor s integrated electronic control system ensures consistent performance, adapting to varying weather conditions with adaptive speed settings, while its durable wiring harness and secure mounting brackets guarantee long-term reliability without sagging or misalignment. Whether navigating heavy rain, snow, or sleet, this wiper motor maintains optimal visibility, reinforcing the ML320 s reputation for uncompromising luxury and engineering excellence. Ideal for restoration projects or replacement needs, it remains a critical component for preserving the ML320 s legendary driving experience.

### **Pros and Cons of Buying a Used Mercedes-Benz W124 ML320 Windshield Wiper Motor (Part #1638201042, 1998-1999 Model)**

1. **Compatibility and Fit** The part number **1638201042** is a direct replacement for the ML320 s wiper motor, ensuring an exact fit without modifications. This reduces the risk of installation issues or misalignment.

2. **Reliability of Mercedes-Benz Components** Mercedes-Benz parts, especially those from the W124 generation, are generally well-engineered and built to last. A genuine or high-quality aftermarket motor should function reliably if properly installed.

3. **Ease of Installation** The wiper motor in the ML320 is relatively straightforward to replace, requiring only basic tools (socket set, wrench, and possibly a trim removal tool). Many owners and mechanics report that the job takes **1 2 hours** with proper preparation.

4. **Prevents Further Damage** A failing wiper motor can cause intermittent wiper operation, leaving the windshield uncleared during rain or snow. Replacing it early prevents water damage to the dashboard, electrical shorts, or further wear on the wiper blades.

5. **Cost-Effective Compared to Full Replacement** Replacing just the motor is significantly cheaper than buying a used ML320 or restoring a damaged windshield assembly. A new or refurbished motor typically costs **$100 $300**, whereas a full windshield assembly replacement could exceed **$500 $1,000**.

6. **Improved Functionality** A new motor eliminates issues like **slow wiper speed, erratic movement, or complete failure**, ensuring consistent performance in all weather conditions.

7. **Long-Term Savings** A well-maintained wiper motor can last **5 10 years or more**, reducing the need for frequent replacements. Proper lubrication of the wiper arms and blades also extends the motor s lifespan.

8. **Accessibility of Parts** Due to the ML320 s popularity, spare parts are widely available from **Mercedes-Benz dealerships, specialty auto shops, and online retailers** (e.g., RockAuto, eBay, or Amazon). This makes sourcing the part easier than for rarer vehicles.

9. **Potential for DIY Repair** If you have basic mechanical skills, replacing the motor yourself saves labor costs. Many step-by-step guides and videos are available online for this specific model.

10. **Warranty Options** Purchasing from a reputable seller (e.g., a dealership or a trusted aftermarket supplier) may include a **short warranty (30 90 days)**, providing peace of mind against early failure.

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1. **Age of the Vehicle** The **1998 1999 ML320** is nearly **25 years old**, meaning the rest of the vehicle may have **wear and tear, rust, or failing components** that could complicate repairs. A wiper motor replacement is a minor fix, but other issues (e.g., electrical problems, suspension wear) might arise.

2. **Potential for Counterfeit or Low-Quality Parts** If buying from an untrusted seller (e.g., a random eBay private seller or a no-name supplier), there s a risk of receiving a **counterfeit or poorly made motor**. This could lead to **early failure, poor performance, or compatibility issues**.

3. **Electrical or Wiring Issues** The ML320 s wiring harness can degrade over time, leading to **intermittent power delivery** to the wiper motor. If the wiring is damaged, replacing just the motor won t solve the problem, requiring additional diagnostics.

4. **Corrosion and Rust** Older Mercedes-Benz models, especially those driven in **snowy or coastal areas**, are prone to **rust in the windshield area**. If the mounting points or electrical connections are corroded, they may need cleaning or replacement.

5. **Wiper Blade Compatibility** While the motor itself is a direct fit, **wiper blades** for the ML320 can be hard to find. Cheap or old blades may **scratch the windshield** or fail to clear water effectively, reducing the motor s effectiveness.

6. **Labor Costs if Not DIY** If you take the car to a mechanic, labor costs for a wiper motor replacement can range from **$100 $200**, adding to the total expense. DIY saves money but requires time and effort.

7. **Limited Lifespan of the Motor Itself** Even a high-quality wiper motor may not last indefinitely. **Extreme weather, frequent use, or poor maintenance** (e.g., not cleaning the motor s gears) can reduce its lifespan to **3 5 years** in some cases.

8. **Potential for Hidden Damage** If the original motor failed due to **internal damage (burned-out brushes, seized gears, or electrical shorts)**, the new motor might fail prematurely if the root cause isn t addressed.

9. **Part Availability Over Time** While the part is still widely available, **older models may eventually become harder to source** as Mercedes phases out support for these vehicles. Buying now ensures availability.

10. **Risk of Overpaying** Some sellers inflate prices for "rare" or "high-demand" parts. Always **compare prices** from multiple sources to avoid overpaying.

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### **Conclusion**

Replacing the wiper motor in a **1998 1999 Mercedes-Benz ML320 (W124)** with part **1638201042** is a **practical and cost-effective solution** for restoring proper windshield functionality. The benefits **reliability, ease of installation, and prevention of further damage** outweigh the drawbacks for most owners. However, the **age of the vehicle, potential electrical issues, and part quality risks** must be considered.

If the rest of the car is in **decent condition** and you re confident in either **DIY installation or finding a skilled mechanic**, this repair is **highly recommended**. The motor is a **critical safety component**, and failing to replace it could lead to **reduced visibility in bad weather**, increasing the risk of accidents.

For those uncomfortable with DIY repairs, **consulting a Mercedes specialist** ensures proper diagnostics (e.g., checking wiring, cleaning connections) and a clean installation. Always **purchase from a trusted source** (dealership, reputable aftermarket supplier, or a well-reviewed seller) to avoid counterfeit parts.

The rest of the vehicle is functional and worth repairing.

You can source a **genuine or high-quality aftermarket motor** (e.g., from RockAuto, a Mercedes parts dealer, or a trusted online retailer).

You re prepared to **inspect the wiring and mounting points** for corrosion or damage.

You either **DIY the installation** or have a mechanic with experience in W124 models perform it.

The car has **multiple major failures** (e.g., transmission, electrical system, structural rust) that make repairs impractical.

You cannot **verify the part s authenticity** or the seller has no return policy.

The **wiper blades are severely worn** replace them at the same time for optimal performance.

- **Buy the motor from a reputable supplier** (e.g., RockAuto (https://www.rockauto.com), eBay (verified seller) (https://www.ebay.com), or a local Mercedes parts store).

- **Test the motor before installation** (if possible) by checking for smooth operation and proper speed settings.

- **Clean the mounting area** and **inspect wiring** before installing to prevent future issues.

- **Replace wiper blades** if they are cracked, streaked, or ineffective.

This repair is a **minor but important maintenance task** that significantly improves the ML320 s usability and safety. With proper care, the new motor should serve reliably for **years to come**.

Details:

part #: 1638201042 prices

• $29.94-$112.50

specifications winshielwip:

• for models: Ml320
• for makes: Mercedes
• for years: 1998-1999
• mpn: 1638201042
• part type: Wiper Windshield Motor
• id: 9d36efa4-8d63-433f-a064-f621d5595174
• interchange: 620-58426

general winshielwip:

• Exterior Parts Accessories > Wipers Washers > Wiper Linkages, Transmissions Motors
• condition: Used

seller winshielwip:

• city: Brush, Colorado
• # reviews: 16196
• rating: 99.5%

payments winshielwip:

• credit card: Mastercard
• wallet: Paypal
• other

returns winshielwip:

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

shipping winshielwip:

• service: Standard
• class: Standard
• type: Fixed
• cost: $0.00
• transit: 2-6 Days

offer winshielwip:

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

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