GENUINE MERCEDES 2122401818 Automatic Transmission Mount Rear

( Brand: Genuine Mercedes ), ( Manufacturer Part Number: 2122401818 ), ( Items Included: Rear Mount ), ( Country Of Origin: Germany ), ( Type: Rear Engine Mount ), ( Oe/oem Part Number: A 212 240 18 18 ), ( Placement On Vehicle: Rear ), ( Part Type: Transmission Mount )

Review GENUINE MERCEDES New Oem Automatic Transmission Mount Rear

The **Mercedes-Benz 2122401818 Automatic Transmission Mount (Rear)** is a precision-engineered component designed to ensure optimal performance, durability, and reliability within the powertrain system of select Mercedes-Benz vehicles. This high-quality rubber-metal mount serves as a critical suspension element, securely anchoring the automatic transmission to the vehicle s subframe while absorbing vibrations, reducing noise, and mitigating excessive movement during operation. Crafted from a proprietary blend of high-grade elastomers and reinforced steel components, this mount is engineered to withstand the rigorous demands of daily driving, including acceleration, braking, and rough road conditions, while maintaining structural integrity over the long term. Its robust construction helps prevent transmission misalignment, which can lead to premature wear on clutch packs, torque converters, and other internal transmission components, thereby extending the lifespan of the entire drivetrain assembly. The mount s precise fitment ensures seamless integration with the vehicle s chassis, adhering to OEM specifications to guarantee a snug, vibration-dampening connection that enhances both comfort and drivability. Whether installed in a classic Mercedes-Benz model or a modern luxury vehicle, this transmission mount is a vital part of the vehicle s powertrain stability, contributing to a smoother, quieter, and more efficient driving experience. For optimal performance, it is recommended to use genuine Mercedes-Benz parts or high-quality aftermarket alternatives that meet or exceed OEM standards.

### Pros and Cons of buying a Mercedes-Benz Part Number **2122401818 (Automatic Transmission Mount, Rear)**

1. **OEM Quality and Compatibility** This is an original equipment manufacturer (OEM) part, meaning it is designed specifically for your Mercedes-Benz vehicle. It ensures a perfect fit, proper alignment, and reliable performance, reducing the risk of premature wear on the transmission or drivetrain components.

2. **Durability and Longevity** Mercedes-Benz parts are built to high standards, often using robust materials like reinforced rubber, steel, or composite polymers. A genuine mount is less likely to fail prematurely compared to aftermarket alternatives, especially in high-stress applications.

3. **Warranty Coverage** Purchasing from an authorized dealer or a reputable supplier may include a warranty, providing peace of mind against defects in materials or workmanship. This can be particularly valuable if the part is critical to vehicle safety or drivability.

4. **Prevents Transmission Damage** A failing rear transmission mount can cause excessive vibration, misalignment, or even detachment, leading to severe transmission or drivetrain damage. Replacing it proactively avoids costly repairs down the line.

5. **Maintains Resale Value** Keeping your vehicle in top condition with OEM parts helps preserve its resale value. Potential buyers are more likely to pay a premium for a well-maintained Mercedes with original components.

6. **Easier Installation and Alignment** Since it is designed for your specific model, installation is straightforward, and there s no need for extensive modifications. Proper alignment is critical for transmission performance, and an OEM part ensures this.

7. **Reduces Noise and Vibration** A worn or damaged mount can introduce rattling, clunking, or excessive vibration, especially during acceleration or shifting. Replacing it restores a smoother ride and quieter operation.

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1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price of **2122401818** will likely be 2 3 times higher than a generic or third-party mount, increasing labor costs if you re not doing the replacement yourself.

2. **Limited Availability** Depending on your location, finding an authorized dealer stocked with this exact part may require ordering, which can delay repairs. Aftermarket options are often available immediately.

3. **Potential for Counterfeit Parts** If purchasing from untrusted sources (e.g., online marketplaces without verification), there s a risk of receiving a fake or substandard part. Always buy from reputable suppliers or dealerships.

4. **Labor-Intensive Replacement** Replacing a rear transmission mount often requires lifting the vehicle, removing the transmission or subframe, and ensuring proper alignment. This can be time-consuming and may require professional help, adding to costs.

5. **Mixed Reviews on Aftermarket Alternatives** While aftermarket mounts may be cheaper, some users report premature failure or poor fit. However, high-quality aftermarket brands (e.g., Febi Bilstein, Sachs, or Mann) can offer comparable durability at a fraction of the cost.

6. **Environmental and Ethical Concerns** OEM parts contribute to electronic waste when disposed of improperly. Some buyers may prefer sustainable or recycled alternatives, though these are less common for critical components like transmission mounts.

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The **Mercedes-Benz 2122401818 automatic transmission mount (rear)** is the best choice if you prioritize **reliability, longevity, and exact fit** for your vehicle. It minimizes risks to your transmission and drivetrain while maintaining the integrity of your Mercedes. However, the **high cost and potential delays** in sourcing may make it impractical for some buyers.

For those seeking a **cost-effective alternative**, high-quality aftermarket mounts (e.g., from trusted brands) can offer similar performance with significant savings. Always verify compatibility and read reviews before purchasing.

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- **If budget is not a concern and you want the best long-term solution**, buy the **OEM part (2122401818)** from an authorized Mercedes-Benz dealer or a reputable online retailer (e.g., Amazon, RockAuto, or local Mercedes specialists). Ensure the part is genuine to avoid counterfeits.

- **If cost is a factor**, research **aftermarket options** from brands with strong reputations (e.g., Febi Bilstein, Sachs, or Mann). Compare reviews and warranties before purchasing.

- **For DIYers**, confirm that the replacement process aligns with your mechanical skills. If unsure, consult a professional mechanic to avoid improper installation, which could void warranties or cause further damage.

- **Always inspect the mount for wear** before purchasing a used or refurbished part, as rubber degradation can compromise performance.

**Final Verdict:** The OEM part is the safest choice for Mercedes owners who demand premium quality, but aftermarket alternatives can be a practical compromise for those on a tighter budget. Prioritize quality over price to avoid future transmission issues.

Details:

This automatic transmission mount is a genuine OEM part for Mercedes vehicles, specifically designed the rear placement on vehicle. Please refer to pictures for item condition. As is, no warranty.

part #: 2122401818 prices

• $70.04-$132.45

specifications engimou:

• for makes: Mercedes
• brand: Genuine Mercedes
• mpn: 2122401818
• items included: Rear Mount
• country of origin: Germany
• type: Rear Engine Mount
• oe/oem part number: A 212 240 18 18
• placement on vehicle: Rear
• part type: Transmission Mount

general engimou:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
• condition: New

returns engimou:

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

seller engimou:

• city: Crystal Lake, Illinois
• # reviews: 264
• rating: 100.0%

shipping engimou:

• class: Standard, Expedited
• carrier: USPS
• type: Calculated
• transit: 4-9 Days
• cost: $13.85
• service: USPS Ground Advantage, USPS Priority Mail

offer engimou:

• options: Ship-to-home
• quantity: 1
• started: April 4, 2026
• best offers: True
• sold: 0
• availability: In Stock

payments engimou:

• wallet: Apple-pay
• credit card: Diners-club
• other

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