MERCEDES Front Passenger Right Power Seat Motor 612.MB1B08 Benz

( Manufacturer Part Number: C300 ), ( Part Type: Seat Motor ), ( Conditions Options: Fr Rh ), ( Genuine Oem: Yes ), ( Ipn: 612.mb1b08 ), ( Make: Mercedes-benz )

Review MERCEDES benz Front Passenger Right Power Seat Adjust Motor fits C300 W204 2008–2014

The **Mercedes-Benz 612.MB1B08 (08-14 C300 W204) Front Passenger Right Power Seat Motor** is a precision-engineered, high-performance electric actuator designed exclusively for the iconic **Mercedes-Benz C-Class (W204) models produced between 2008 and 2014**, specifically tailored for the **C300 (M256 engine)** variant. This motor is a critical component of the vehicle s power seat system, responsible for delivering smooth, responsive, and effortless adjustments to the passenger-side seat including reclining, tilting, height, and lateral positioning with the push of a button or via the integrated seat controls. Crafted from durable materials, including reinforced plastic housings and corrosion-resistant metallic components, this motor is built to withstand the rigorous demands of daily driving while ensuring long-term reliability. Its robust construction incorporates a **high-torque DC brushless motor**, optimized for quiet operation and minimal wear, paired with a **gear reduction system** that provides precise, jitter-free movement, even under extended use. The motor s **electronic control interface** is designed to integrate seamlessly with the vehicle s original seat control module, ensuring compatibility without the need for additional wiring modifications. Whether navigating urban commutes or highway travel, this seat motor guarantees a premium, ergonomic seating experience, enhancing both comfort and convenience for the front passenger. Ideal for restoration projects, replacements, or upgrades, this genuine Mercedes-Benz part adheres to the brand s exacting standards, delivering the same level of performance and refinement expected from a luxury German automobile.

### **Pros and Cons of Buying a Mercedes-Benz C300 (W204, 2008 2014) with a Faulty Right Front Passenger Power Seat Motor**

#### **Pros**

1. **Reliable Engine and Drivetrain**

The C300 (W204) is powered by a **3.0L V6 M272 engine**, which is known for its durability when maintained properly. With regular oil changes and tune-ups, this engine can easily exceed **200,000 miles** before major issues arise. The **7G-Tronic automatic transmission** (if equipped) is also robust, though it may require occasional fluid changes.

2. **Comfortable and Spacious Interior**

The W204 generation offers a **luxurious, well-built cabin** with high-quality materials (especially in higher trims). The seating is supportive, and the rear seats provide decent legroom, making it a practical choice for families or long trips.

3. **Strong Resale Value**

Mercedes-Benz retains its resale value well, and the W204 remains a sought-after model. Even with a faulty seat motor, the overall condition of the car can still command a fair price if other systems are in good shape.

4. **Safety Features**

The W204 comes with **standard stability control, ABS, and multiple airbags**. Some later models (post-2010) include **ESP (Electronic Stability Program) and advanced crash protection**, which are valuable for safety.

5. **Brand Prestige and Dealer Network**

Owning a Mercedes provides access to **Mercedes-Benz dealerships** for servicing, parts, and warranty work (if under original ownership). The brand also has a strong reputation for luxury and performance.

6. **Potential for Cost-Effective Repairs**

If the seat motor is the only known issue, replacing it (or having it repaired) may be **cheaper than buying a new or heavily modified car**. Seat motors are relatively affordable parts, and labor costs at a dealership may be reasonable if the work is straightforward.

7. **Good Handling and Ride Quality**

The W204 has a **well-tuned suspension** that balances comfort and sportiness. The steering is precise, and the car handles well on both highways and winding roads, making it enjoyable to drive.

---

#### **Cons**

1. **Faulty Seat Motor as a Potential Red Flag**

A **non-functional right front passenger power seat motor** is a minor inconvenience but could indicate **neglect or a broader electrical issue**. If the seat motor fails frequently or other electrical components (e.g., windows, mirrors) are problematic, it may suggest **poor maintenance history**. Before purchasing, verify:

- Whether the issue is isolated to the seat motor or part of a larger electrical problem.

- If the seat can be manually adjusted (some models allow this).

- The cost of replacement (typically **$100 $300 for parts**, plus labor).

2. **Aging Transmission and Fluid Issues**

The **7G-Tronic transmission** can develop **slippage, rough shifting, or delayed engagement** over time, especially if transmission fluid hasn t been changed regularly. A **fluid flush and filter replacement** ( $300 $600) may be needed if the current fluid is degraded.

3. **Electrical System Reliability Concerns**

- **Faulty sensors** (e.g., oil pressure, coolant temperature).

- **Intermittent issues with infotainment, lights, or power accessories**.

- **Battery and alternator wear**, which can lead to starting problems.

A **pre-purchase inspection (PPI) by a Mercedes specialist** is **highly recommended** to check for these issues.

4. **Higher Maintenance Costs Than Mass Market Cars**

While not as expensive as a new Mercedes, **parts and labor** for a W204 can be **2 3 times more costly** than for a Honda, Toyota, or BMW of similar age. Budget for:

- **Suspension components** (struts, bushings, control arms).

- **Brake system upgrades** (pads, rotors, calipers).

- **Exhaust and emissions-related repairs** (DPF, EGR, oxygen sensors).

5. **Potential Rust Issues (Especially in Snowy Climates)**

The W204 is prone to **underbody rust**, particularly in the **wheel wells, rocker panels, and subframe**. A thorough inspection of the **undercarriage and wheel arches** is essential. Rust repairs can be **expensive and labor-intensive**.

6. **Depreciation and Insurance Costs**

While the W204 holds value well, **insurance premiums** for luxury cars are typically higher than for mainstream brands. Additionally, **comprehensive coverage** may be necessary due to the car s value and potential repair costs.

7. **Limited Modern Tech and Infotainment**

The W204 s **infotainment system (COMAND or MBUX, depending on model year)** can be **clunky and outdated** compared to newer Mercedes models. Bluetooth, USB, and navigation may require **third-party aftermarket upgrades** for better functionality.

8. **Potential for Hidden Mechanical Issues**

- **Water pump failure** (often linked to coolant leaks).

- **Timing chain stretch** (less common but possible in high-mileage examples).

- **Suspension wear** (ball joints, tie rods, sway bar links).

A **detailed inspection** by a trusted mechanic is **mandatory** before purchase.

---

### **Ending Conclusion**

- The car has **low miles (under 100,000)** and a **clean maintenance history**.

- The **seat motor issue is isolated** and not part of a larger electrical or mechanical problem.

- You are **prepared for potential higher maintenance costs** compared to mainstream luxury brands.

- A **pre-purchase inspection (PPI) confirms** that other critical systems (transmission, suspension, electrical) are in good condition.

- The car has **high miles (over 150,000 )** with **no service records**.

- There are **multiple electrical or mechanical issues** beyond the seat motor.

- You are **uncomfortable with the cost of repairs** or lack access to Mercedes specialists.

- The **price is significantly inflated** (above market value for the condition).

**Then it may not be the best purchase.**

---

### **Recommendation**

1. **Get a Professional Pre-Purchase Inspection (PPI)**

- **Transmission fluid condition and function**.

- **Suspension, steering, and alignment**.

- **Electrical system (including seat motors, windows, mirrors, infotainment)**.

- **Underbody for rust and structural integrity**.

- **Engine and exhaust system for leaks or wear**.

2. **Negotiate Based on Findings**

- If the PPI reveals **minor issues (like the seat motor)**, use them to **reduce the price** or request repairs before purchase.

- If **major issues (transmission, suspension, electrical)** are found, **walk away** unless the seller offers a significant discount.

3. **Budget for Potential Repairs**

- Allocate **at least 10 15% of the purchase price** for unexpected repairs in the first year.

- Consider **extended warranty options** if available through the seller or a third-party provider.

4. **Consider Alternative Options**

- **A newer Mercedes (W205 C-Class, W212 E-Class)** with lower miles.

- **A well-maintained BMW 3-Series (E90/E91/E92/E93)** or **Audi A4/A6 (B8/B9)** for similar luxury at a lower cost.

- **A used luxury car with a stronger resale value**, such as a **Lexus GS or Acura TL**.

5. **Proceed Only If You Are Committed to Long-Term Ownership**

- The W204 is a **great daily driver and weekend cruiser** if properly maintained. However, **luxury car ownership requires discipline in upkeep**.

- If you **drive aggressively, neglect maintenance, or cannot afford repairs**, consider a **more forgiving vehicle**.

### **Final Verdict**

**If the car passes inspection, has a clean history, and the seat motor issue is minor, buying this W204 C300 can be a rewarding purchase.** However, **only do so if you are financially prepared for potential repairs and willing to invest in its upkeep**. If you find **major issues or the price is too high relative to its condition, it may not be worth the risk**. Always prioritize **transmission health, electrical reliability, and structural integrity** over cosmetic or minor inconveniences like a faulty seat motor.

Details:

Provides unrestricted 53 ft truck access no residential streets, gates, or limited entry areas. In certain conditions 50% deduction could be applied.

specifications seainterio:

• for models: C300, W204
• for makes: Mercedes
• for years: 2008-2014
• mpn: C300
• part type: Seat Motor
• conditions options: Fr Rh
• genuine oem: Yes
• ipn: 612.mb1b08
• make: Mercedes-benz

returns seainterio:

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

payments seainterio:

• wallet: Paypal
• cash
• credit card: Visa
• other

offer seainterio:

• quantity: 1
• started: February 2, 2026
• options: Ship-to-home
• availability: In Stock
• best offers: True
• sold: 0

seller seainterio:

• # reviews: 29419
• city: North Brunswick, New Jersey
• rating: 100.0%

shipping seainterio:

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

general seainterio:

• Interior Parts Accessories > Seats, Parts Accessories > Seats
• condition: Used

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