MERCEDES A2742230804 Right Engine Frame Mount Bracket Benz R172

( Manufacturer Part Number: A2742230804 ), ( Listed: Um53 ), ( Id: 31bc64b3-879f-4285-9d8f-f0329e866536 ), ( Location: Nwad2g3 ), ( Type: Engine Mount ), ( Placement On Vehicle: Right ), ( Material: Aluminum ), ( Oe/oem Part Number: A2742230804 / 2742230804 / 274 223 08 04 )

Review MERCEDES benz Right Engine Frame Mount Bracket Oem fits SLC300 2017–2020

The **Mercedes-Benz A2742230804 engine frame mount bracket** is a precision-engineered, high-performance component designed exclusively for the **2017 2020 Mercedes-Benz S-Class (W222) and SL-Class (R172) models**, specifically tailored to the **SL 300 (SL 350 in some markets) variant**. This critical suspension and structural bracket serves as a vital link between the engine bay and the chassis, ensuring optimal alignment, stability, and load distribution under the demanding conditions of high-performance driving. Crafted from **high-strength, heat-treated steel**, this bracket is engineered to withstand the rigorous stresses of daily driving, aggressive acceleration, and high-speed maneuvering, all while maintaining the iconic balance and refinement for which Mercedes-Benz is renowned. The **OEM-quality design** guarantees a seamless fit with the **right-side engine frame mount** (as indicated by the part number), eliminating any risk of misalignment or improper installation that could compromise vehicle handling or engine positioning. Whether used for routine maintenance, a restoration project, or an upgrade to enhance durability, this bracket is a **direct replacement part** that adheres to Mercedes-Benz s exacting standards, ensuring compatibility with the **M276 V8 engine** found in these luxury coupes. Its robust construction and precise engineering make it an essential component for preserving the integrity of the powertrain and suspension system, delivering the same level of reliability and performance that Mercedes-Benz drivers expect from their vehicles.

### **Pros and Cons of buying a Mercedes-Benz A2742230804 (2017-2020 SLC 300 R172 Right Engine Frame Mount Bracket)**

1. **Direct Fitment** This part is specifically designed for the 2017-2020 Mercedes-Benz SLC 300 (R172) model, ensuring compatibility without modifications.

2. **OEM Quality** As an original equipment manufacturer (OEM) or high-quality aftermarket part, it should meet Mercedes-Benz s engineering standards, reducing the risk of premature failure.

3. **Prevents Further Damage** A failing or worn engine mount can lead to excessive vibration, driveline damage, or even engine misalignment. Replacing it proactively can avoid costly repairs down the line.

4. **Improves Ride Comfort** A properly functioning engine mount helps isolate engine vibrations, leading to a smoother driving experience.

5. **Easy Installation** Many aftermarket parts, including this one, are designed for straightforward bolt-on installation, though some mechanical skill may be required.

6. **Cost-Effective Alternative** If the part is genuine or from a reputable brand, it may be cheaper than waiting for a dealer to source an OEM replacement.

7. **Warranty Coverage** Some aftermarket suppliers offer warranties, providing peace of mind against defects.

1. **Potential Counterfeit Risk** If purchasing from an untrusted seller (e.g., eBay, Amazon, or unverified marketplaces), there s a risk of receiving a fake or low-quality part that fails prematurely.

2. **Labor Costs** Even if the part itself is affordable, installation may require professional labor, especially if the vehicle is lifted or if additional components (like bushings or bolts) need replacement.

3. **Mixed Quality in Aftermarket Parts** While some aftermarket brands replicate OEM quality, others cut corners on materials or assembly, leading to shorter lifespan or poor performance.

4. **Limited Availability of OEM Parts** Genuine Mercedes-Benz parts may be expensive or backordered, making aftermarket options more appealing despite potential quality trade-offs.

5. **Diagnostic Uncertainty** If the mount is failing but symptoms (e.g., rattling, uneven ride) are subtle, misdiagnosing the issue could lead to unnecessary replacements.

6. **Environmental Factors** Road conditions, age of the vehicle, and driving habits can accelerate wear on engine mounts, meaning even a new part may not last indefinitely.

7. **Potential for Hidden Damage** If the mount was previously damaged (e.g., from an accident), replacing just the bracket may not fully resolve underlying issues like frame or subframe damage.

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### **Conclusion**

The **Mercedes-Benz A2742230804 engine frame mount bracket** is a practical and necessary replacement for the 2017-2020 SLC 300 if the original is worn or damaged. The part itself is straightforward to source and install, and replacing it can prevent more severe engine or drivetrain issues. However, the quality of the part depends heavily on the supplier prioritizing **authentic OEM or reputable aftermarket brands** (e.g., Dorman, Fel-Pro, or Mercedes-Benz approved parts) is critical to avoid counterfeit or subpar components.

If budget is a concern, an aftermarket part from a trusted seller can be a cost-effective solution, but it s wise to verify the supplier s reputation and return policies. For maximum reliability, **OEM parts from a Mercedes-Benz dealership or authorized service center** are the safest choice, though they come at a higher cost.

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### **Recommendation**

1. **Verify the Part s Authenticity** Purchase from a **Mercedes-Benz dealership, an authorized parts distributor, or a well-reviewed aftermarket supplier** (e.g., RockAuto, PartsGeek, or local specialty shops). Avoid unknown sellers offering suspiciously low prices.

2. **Check for Accompanying Components** Some kits include bolts, bushings, or gaskets; ensure you have everything needed for a complete replacement.

3. **Inspect for Hidden Damage** Before installation, check the **mounting points on the frame and subframe** for rust, cracks, or deformation. If present, address these issues simultaneously.

4. **Consider Professional Installation** If you lack mechanical experience, have a **qualified mechanic** perform the replacement to ensure proper alignment and torque specifications.

5. **Monitor Post-Installation** After replacement, listen for **unusual noises** or **vibrations** during driving. If symptoms persist, revisit the installation or consult a specialist.

6. **Budget for Potential Upgrades** If the vehicle has high mileage or a history of rough driving, consider upgrading to **heavy-duty or reinforced mounts** for longevity.

**Final Verdict:** This part is **worth purchasing** if sourced responsibly, as it directly addresses a common wear item in the SLC 300. Prioritize **quality over cost** to avoid repeated replacements and ensure long-term reliability. For the best balance of cost and confidence, an **OEM part from a dealership** is ideal, while a **high-quality aftermarket option** can be a viable alternative if thoroughly researched.

Details:

60-day return period begins on the day part is delivered. Orders are shipped via USPS, UPS, or FedEx. Shipping charges are based on delivery zip code and apply to the lower 48 states. All listed parts have already been removed from donor vehicles and are on the shelf ready to be shipped.

This MUST be specified AT TIME OF PURCHASE. Items are sold in good, working condition and have been inspected prior to listing. 2017 2020 MERCEDES SLC300 R172 RIGHT ENGINE FRAME MOUNT BRACKET OEM A Menu. Are final sale.

High quality pictures are provided for each item so you can see its exact condition. Pulsate Template v3.2 2026/02/23 Car info:ENGINE: 2.0L 4 CYL, RWD, EXTERIOR: BLACK GRAY, PAINT CODE: 040, INTERIOR: BLACK, TRIM 101. Locations without a dock or forklift will incur lift gate fee.

part #: a2742230804 prices

• $41.15-$160.19

specifications engimou:

• for models: Slc300
• for makes: Mercedes
• for years: 2017-2020
• mpn: A2742230804
• listed: Um53
• id: 31bc64b3-879f-4285-9d8f-f0329e866536
• location: Nwad2g3
• type: Engine Mount
• placement on vehicle: Right
• material: Aluminum
• oe/oem part number: A2742230804 / 2742230804 / 274 223 08 04

offer engimou:

• quantity: 1
• best offers: True
• availability: In Stock
• started: March 20, 2026
• sold: 0
• options: Ship-to-home

general engimou:

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

shipping engimou:

• type: Fixed
• cost: $0.00
• service: Standard
• transit: 3-6 Days
• class: Standard

payments engimou:

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

returns engimou:

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

seller engimou:

• rating: 100.0%
• city: Nicholasville, Kentucky
• # reviews: 74839

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