1. Sunroof, Convertible & Hardtop Auto Parts For Sale
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  3. MERCEDES GLC300

MERCEDES Rv Lid Motor Down 640.MB1J21 Benz

fits model: Glc300. make: Mercedes. year: 1999–2020.

640.mb1j21 Mercedes-benz Misc Rv 1999 Lid Motor Pull Down 7667819

( Part Type: Lid Motor Down ), ( Conditions Options: Rh Lift Gate Motor ), ( Genuine Oem: Yes ), ( Ipn: 640.mb1j21 ), ( Make: Mercedes-benz ), ( Warranty: 1 Year )

Review MERCEDES benz Misc Rv Lid Motor Pull Down fits GLC300 1999–2020

The **Mercedes-Benz 640 MB1J21 RV (1999) Lid Motor Assembly** is a meticulously engineered component designed to elevate the functionality and convenience of Mercedes-Benz commercial vehicles, particularly those in the MB1J21 chassis series. This robust, high-performance motorized lift gate mechanism is engineered to seamlessly integrate with the 1999 model year s rear cargo area, offering effortless operation for both drivers and cargo handlers. Crafted with Mercedes-Benz s signature precision, the lid motor is built to withstand rigorous daily use, ensuring smooth and reliable performance even under demanding conditions. Its hydraulic or electric actuation system depending on the specific configuration delivers a quiet, jolt-free opening and closing motion, reducing wear on the vehicle s frame and cargo compartment while enhancing overall durability. The motorized assembly is designed to accommodate a wide range of payload capacities, making it ideal for delivery vans, service vehicles, or light-duty trucks where ease of access is critical. Featuring a durable, corrosion-resistant construction, this component is engineered to endure harsh environments, from urban commutes to off-road excursions, without compromising performance. Whether installed in a passenger van, a cargo carrier, or a specialized work vehicle, the 1999 MB1J21 lid motor ensures that the rear hatch operates with the same seamless efficiency as the rest of the Mercedes-Benz powertrain. For fleet operators or enthusiasts seeking to restore or upgrade their vehicle s functionality, this motorized lift gate system represents a premium solution that blends cutting-edge engineering with the timeless reliability of Mercedes-Benz.

### **Pros and Cons of Buying a 1999 Mercedes-Benz 640 MB1J21 RV (Lid Motor Down)**

#### **Pros**

1. **Spacious and Functional Interior**

The 1999 Mercedes-Benz MB1J21 RV is a mid-size RV with a well-designed interior that maximizes living space. The layout typically includes a full kitchen, a dining area, and a sleeping area, making it suitable for short to medium-term travel. The inclusion of a lid-down motor (where the engine is mounted below the floor rather than in the rear) allows for a more compact and streamlined exterior, which can be beneficial for maneuverability and storage.

2. **Reliability of Mercedes-Benz Engines**

Mercedes-Benz engines, particularly the OM617 or OM646 diesel engines found in this model, are known for their durability and longevity when properly maintained. The OM617, in particular, is a robust inline-six diesel that can last well over 300,000 miles with regular upkeep. The lid-down configuration means the engine is less exposed to road debris, which can reduce wear over time.

3. **Comfortable Ride and Handling**

Mercedes-Benz vehicles are generally well-built with smooth suspension systems, which translates to a comfortable ride on highways and rough roads. The MB1J21 RV is no exception, offering a stable and predictable handling experience, which is crucial for a vehicle used for travel.

4. **Resale Value and Brand Prestige**

Mercedes-Benz maintains a strong resale value compared to many other RV brands. Owning a Mercedes-Benz RV carries prestige and can be appealing if you value brand reputation. Additionally, the availability of genuine Mercedes-Benz parts and service networks ensures easier maintenance and repairs.

5. **Diesel Efficiency**

Diesel engines, especially in this era, are more fuel-efficient than their gasoline counterparts. The 1999 model s diesel engine (likely a 6-cylinder) will consume less fuel per mile compared to a gasoline-powered RV, which can be cost-effective for long-distance travel.

6. **Potential for Customization**

The MB1J21 RV chassis is used by various manufacturers, meaning there may be aftermarket upgrades or customization options available. This includes modifications to the interior, exterior, or even engine tuning (though the latter should be approached with caution).

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#### **Cons**

1. **Age and Potential Mechanical Issues**

The 1999 model is nearly 25 years old, which means it may require significant maintenance or repairs. Common issues in older Mercedes-Benz diesel engines include:

- **Fuel system problems** (injectors, fuel pumps, or common rail systems in later models).

- **Turbocharger wear** (common in high-mileage diesels).

- **Transmission wear** (automatic transmissions in this era can be finicky and may require fluid changes or rebuilds).

- **Electrical gremlins** (older wiring and computer systems can be prone to failures).

- **Rust and corrosion** (especially in the chassis, undercarriage, and suspension components).

Without thorough maintenance records, it s difficult to assess the true condition of the vehicle.

2. **High Maintenance Costs**

Mercedes-Benz parts and labor are often more expensive than those for domestic or Asian brands. If the RV requires frequent repairs, the cost of ownership can become prohibitive. Diesel engines, while durable, also require specialized knowledge and tools for repairs, which may not be readily available outside major cities.

3. **Emissions and Modern Regulations**

The 1999 model predates stricter emissions regulations (e.g., EPA Tier 2 or Euro 4 standards). While it may still pass emissions tests in some areas, modifications or retrofits (such as upgrading to a modern emissions system) could be costly. Additionally, some states or countries may have restrictions on older diesel vehicles due to pollution concerns.

4. **Lack of Modern Technology and Safety Features**

The MB1J21 RV lacks modern safety features such as:

- Electronic stability control (ESC).

- Advanced driver-assistance systems (ADAS) like lane-keeping or adaptive cruise control.

- Modern infotainment systems or Bluetooth connectivity.

- Up-to-date fuel efficiency or emissions technology.

These features are not critical for functionality but can enhance safety and convenience in modern travel.

5. **Limited Availability of Parts and Dealers**

While Mercedes-Benz still supports older models, parts and service may be harder to find compared to newer vehicles. Independent mechanics may not be familiar with the specific quirks of this model, which could delay repairs.

6. **Potential for Hidden Problems**

Older RVs, especially those with high mileage, may have hidden issues such as:

- **Frame or chassis rust** (critical for structural integrity).

- **Suspension wear** (leading to poor handling or tire damage).

- **Brake system failures** (drum brakes or worn rotors).

- **Plumbing or electrical leaks** (common in RVs, leading to water damage).

A thorough pre-purchase inspection (including a lift inspection for undercarriage issues) is essential to avoid costly surprises.

7. **Insurance and Financing Challenges**

Insuring an older RV, especially one with a high mileage or unknown history, can be difficult and expensive. Lenders may also be hesitant to finance an older vehicle due to perceived risks, limiting your financing options.

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### **Conclusion**

The 1999 Mercedes-Benz MB1J21 RV (lid motor down) is a capable and well-built RV that offers a comfortable, spacious interior and the reliability of a Mercedes-Benz diesel engine. Its lid-down configuration provides practical benefits, and the brand s reputation adds prestige. However, the vehicle s age introduces significant risks, including high maintenance costs, potential mechanical failures, and the challenge of finding qualified mechanics or parts.

If you are experienced with older vehicles, have a budget for repairs, and can thoroughly inspect the RV (or hire a professional inspector), this could be a solid purchase for someone who values durability and brand quality. However, for most buyers especially those new to RV ownership or with limited mechanical experience the risks may outweigh the benefits. The cost of unexpected repairs could quickly erode any savings from buying an older model.

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### **Recommendation**

1. **If You Decide to Proceed:**

- **Get a comprehensive pre-purchase inspection** from a mechanic experienced with Mercedes-Benz diesels and RVs. Focus on the engine, transmission, suspension, chassis, and undercarriage for rust or damage.

- **Request full maintenance records**, including service history for the engine, transmission, and fuel system. Verify that the vehicle has been properly maintained (e.g., oil changes, filter replacements, turbo inspections).

- **Budget for repairs**. Set aside at least 10-15% of the purchase price for immediate repairs, and be prepared for ongoing maintenance costs.

- **Consider financing carefully**. If possible, pay in cash to avoid high-interest loans. If financing is necessary, opt for a short-term loan with a low interest rate.

- **Inspect the RV s interior and exterior** for signs of water damage, mold, or structural issues. Test all appliances, plumbing, and electrical systems thoroughly.

2. **If You Are Unsure or New to RV Ownership:**

- **Consider a newer model** (even a used one from the early 2000s with lower mileage) that comes with modern safety features, warranties, and easier access to parts.

- **Look for a certified pre-owned (CPO) RV** from a reputable dealer, which often includes warranties and inspections.

- **Start with a smaller or simpler RV** to gain experience before investing in a larger, more complex vehicle like this one.

- **Evaluate alternatives** such as used travel trailers or fifth wheels, which may offer better value for the money and lower maintenance costs.

3. **Alternative Approach:** If you are drawn to the Mercedes-Benz brand but concerned about the age of this model, consider:

- A **used Mercedes-Benz Sprinter or Viano RV** (later models with modern engines and safety features).

- A **rebuilt or restored MB1J21 RV** from a trusted dealer who guarantees the work.

- A **hybrid solution**, such as a Mercedes-Benz chassis with a newer RV body from a different manufacturer.

Ultimately, the 1999 MB1J21 RV can be a rewarding purchase for the right buyer one who is prepared for the challenges of owning an older vehicle. However, the potential for high costs and mechanical issues makes it a riskier choice compared to newer or simpler alternatives. Always prioritize thorough inspection and realistic budgeting before making a decision.

Details:

Quality, Assured Parts All are Quality Tested Inspected. Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Please disregard other fitment charts they may not be correct. More Parts: 1 Year Warranty.

Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date. Very happy customer, excellent value and service. Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. Easy to find parts that don't require a mechanics knowledge.

Model: GLC300. Please compare part numbers BEFORE purchasing. Free shipping only applies to items you keep. If something is wrong with an order, we certainly do want to help you.

MISC RV 1999 Lid Motor Pull Down 7667819: RH LIFT GATE MOTOR Included: Hassle-free 1 Year Warranty Our Part #: 7667819.

specifications sunroofconverti:

  • for models: Glc300
  • for makes: Mercedes
  • for years: 1999-2020
  • part type: Lid Motor Down
  • conditions options: Rh Lift Gate Motor
  • genuine oem: Yes
  • ipn: 640.mb1j21
  • make: Mercedes-benz
  • warranty: 1 Year

general sunroofconverti:

  • Exterior Parts Accessories > Roofs, Tops Sunroofs > Sunroofs Parts
  • condition: Used

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returns sunroofconverti:

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

seller sunroofconverti:

  • rating: 97.1%
  • city: Rancho Cordova, California
  • # reviews: 22902

offer sunroofconverti:

  • sold: 0
  • best offers: True
  • availability: In Stock
  • started: February 9, 2026
  • quantity: 1
  • options: Ship-to-home

shipping sunroofconverti:

  • cost: $25.00
  • type: Fixed
  • service: Flat Rate Freight
  • class: Freight
for models: glc300, for makes: mercedes, for years: 1999-2020, part type: lid motor down, conditions options: rh lift gate motor, genuine oem: yes, warranty: 1 year,
manufacturer: mercedes-benz, category: auto parts > exterior parts accessories > roofs, tops sunroofs > sunroofs parts, sku: 15756965161302853,
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