GENUINE MERCEDES 251-240-50-17 Engine Mount A2512405017

( Brand: Genuine Mercedes ), ( Manufacturer Part Number: 251-240-50-17 ), ( Type: Engine Mount ), ( Ipn: A2512405017 ), ( Manufacturer Warranty: 1 Year )

Review GENUINE MERCEDES Engine Mount Pc Year Warranty fits 2012

The **Mercedes-Benz A2512405017** is a high-quality, direct-fit engine mount designed specifically for select 2012 model-year Mercedes-Benz vehicles, ensuring optimal engine stability, vibration dampening, and alignment with the vehicle s suspension system. Engineered from durable, high-grade rubber and reinforced steel components, this mount is meticulously crafted to withstand the rigorous demands of daily driving, providing long-lasting performance and reliability. Its precise fitment is tailored to the 2012 model year, accounting for any design refinements or updates that may differ from earlier or later iterations, ensuring a seamless installation without the need for modifications or adjustments. The mount s robust construction helps reduce engine noise, minimize vibrations, and maintain proper engine positioning, contributing to a smoother, quieter, and more comfortable driving experience. Whether used in a routine maintenance service or as part of a more extensive suspension or engine bay upgrade, this OEM-quality part guarantees compatibility with the vehicle s original specifications, helping to preserve the integrity of the powertrain and overall vehicle handling. Ideal for mechanics, DIY enthusiasts, or fleet operators seeking genuine Mercedes-Benz components, the A2512405017 is a critical part for maintaining the performance and longevity of the engine bay.

### **Pros and Cons of Buying a 2012 Mercedes-Benz C-Class (W205) with Engine Mount Issues (Part Number A2512405017)**

#### **Pros**

1. **Reliable Engine and Transmission**

The W205 C-Class (especially with the M272 engine) is known for its robust 4-cylinder inline engine and smooth automatic transmission (7G-Tronic). With proper maintenance, these engines are durable and can last well beyond 200,000 miles.

2. **Comfortable and Refined Ride**

Mercedes has always prioritized ride quality, and the W205 delivers a smooth, quiet cabin with good isolation from road imperfections. The suspension tuning is well-balanced for both comfort and handling.

3. **Modern Features for Its Age**

- **COMAND system** (early touchscreen integration)

- **Adaptive cruise control (DISTRONIC PLUS)**

- **Blind-spot monitoring (optional)**

- **Parking sensors (optional)**

- **Comfortable seating and ergonomic controls**

These features, while not cutting-edge by today s standards, were well-regarded in their time and add to the car s appeal.

4. **Good Resale Value (Compared to Peers)**

While not as high as newer Mercedes models, the W205 still holds its value better than many competitors from the same era (e.g., BMW 3 Series E90/E91, Audi A4 B8). This means you can sell it for a decent price later if needed.

5. **Available in Multiple Body Styles**

The C-Class was offered as a **sedan (C200, C250, C350), coupe (C200 Cabriolet), or convertible (C250 Cabriolet)**, giving buyers flexibility in style and practicality.

6. **Potential for Modifications**

The W251 engine (used in the C350) is a strong performer and can be tuned for better power. Aftermarket support is available for suspension upgrades, exhaust modifications, and interior enhancements.

7. **Lower Running Costs (Compared to Luxury Alternatives)**

While not cheap to maintain, the W205 is generally more affordable to run than premium German rivals like the BMW 5 Series or Audi A6. Parts are widely available, and labor costs are reasonable outside major cities.

8. **Classic Mercedes Styling**

The W205 has a timeless, elegant design that remains attractive. The coupe and convertible versions, in particular, have a sporty, premium look that doesn t feel dated.

---

#### **Cons**

1. **Engine Mount Wear (A2512405017 Issue)**

- **Common Problem:** The **engine mount (A2512405017)** is a known weak point in the W205, especially in the **M272 engine (C200, C250)**. Over time, it can crack, leak fluid, or fail completely, leading to:

- **Excessive engine movement** (clunking noises, vibration)

- **Transmission shifting issues** (if the mount affects alignment)

- **Potential damage to other suspension components** if ignored

- **Repair Cost:** Replacing the mount typically costs **$300 $600** (parts labor). If the mount is cracked, it may need to be replaced sooner rather than later.

- **Prevention:** Regular inspections (every 30,000 50,000 miles) can catch issues early.

2. **Electrical Gremlins**

- **COMAND system glitches** (freezing, unresponsiveness)

- **Window regulator failures** (common in older models)

- **Sensor malfunctions** (e.g., oil level sensor, door lock sensors)

- These issues can be frustrating and may require **expensive diagnostics** or repairs.

3. **Maintenance Costs Add Up**

- Mercedes parts and labor are **not cheap**, especially if you take it to a dealership. Independent shops may offer better rates, but quality varies.

- **Timing chain tensioner** (if the engine is neglected)

- **Water pump** (often fails around 100,000 150,000 miles)

- **Suspension bushings** (strut mounts, sway bar links)

- **Transmission servicing** (7G-Tronic requires **fluid changes every 60,000 80,000 miles**)

4. **Rust Concerns (Especially in Snowy Climates)**

- The W205 is prone to **rust in wheel wells, rocker panels, and undercarriage**, particularly in areas with salted roads. A thorough inspection of the **subframe and suspension components** is essential.

5. **Comfort vs. Sportiness Trade-Off**

- While the W205 is **comfortable**, it is **not as sporty** as competitors like the BMW 3 Series or Audi A4. Handling is **understeer-prone**, and the steering feels **heavy** compared to modern cars.

- The **C350 (V6 model)** is more engaging but still lacks the sharpness of a BMW M3 or Audi S4.

6. **Depreciation and Market Saturation**

- The W205 has been **discontinued**, meaning parts may become harder to find in the long term.

- The market is **flooded with used examples**, making it harder to find a **well-maintained, low-mileage** specimen without paying a premium.

7. **Fuel Economy Not Exceptional**

- The **M272 engine (C200, C250)** averages **20 22 MPG highway**, which is **worse than modern hybrids or turbocharged engines**.

- The **C350 (V6)** gets **18 20 MPG**, making it less efficient than smaller luxury cars.

8. **Resale Value Decline**

- While better than some peers, the W205 s resale value **declines faster than newer Mercedes models**. If you plan to sell in 3 5 years, you may not recover as much as you invested.

---

### **Ending Conclusion**

The **2012 Mercedes-Benz C-Class (W205)** is a **solid, comfortable, and well-equipped** car that remains a **practical choice** for those who prioritize **luxury, refinement, and reliability** over cutting-edge technology. However, **buying one with known engine mount issues (A2512405017) requires careful consideration**:

- **If the mount is already failing or cracked**, the repair cost is **manageable but not negligible**. If you re comfortable with **DIY mechanics or trust a reliable mechanic**, this can be a **good investment**.

- **If the mount is still intact but showing signs of wear**, budget for **future replacement** (likely within **50,000 100,000 miles**).

- **Electrical and maintenance costs** are the **biggest long-term concerns** ensure the car has **full service records** and no history of neglect.

- Buyers who want a **comfortable, premium daily driver** with **good resale value** in its class.

- Those who **prioritize ride quality over sportiness** and don t mind **occasional electrical quirks**.

- People who **plan to keep the car for 5 years** and can afford **regular maintenance**.

- **Budget-conscious buyers** who expect **low running costs** (Mercedes is not a cheap car to own).

- Those who **hate dealing with electrical issues** or **don t want to spend on repairs**.

- Buyers who **prefer modern tech** (e.g., Apple CarPlay, advanced driver aids) and don t mind newer alternatives.

---

### **Final Recommendation**

**No major rust**

**Full service records** (especially engine mounts, timing chain, transmission fluid)

**Low mileage (

**No electrical gremlins** (test all windows, COMAND, sensors)

**A budget for future engine mount replacement ( $400 $600)**

**then it can be a great purchase.** The **C250 (M272 engine) is the best balance of power and efficiency**, while the **C350 (V6) offers more torque** if you need extra power.

**If the engine mount is already failing or the car has a history of neglect**, **walk away** the repair costs may not be worth it compared to a **newer, more reliable used luxury car** (e.g., **BMW 3 Series F30, Audi A4 B8, or even a used Lexus ES**).

If you

Details:

Manufacturer Number: 251 240 50 17. Free Fast Shipping. Compatibility. Brand NEW part with full 1 year warranty.

Made By: GENUINE MERCEDES. For Mercedes 2012 Engine Mount 1 PC GENUINE 1 YEAR WARRANTY. Authenticity Guaranteed. Drive Assured: Your Source for Authentic Car Parts.

specifications engimou:

• for makes: Mercedes
• for years: 2012
• brand: Genuine Mercedes
• mpn: 251-240-50-17
• type: Engine Mount
• ipn: A2512405017
• manufacturer warranty: 1 Year

seller engimou:

• city: Glendale, California
• rating: 99.7%
• # reviews: 26369

general engimou:

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

returns engimou:

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

payments engimou:

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

offer engimou:

• sold: 0
• started: May 21, 2026
• quantity: 3
• availability: In Stock
• options: Ship-to-home

shipping engimou:

• class: Standard
• transit: 6-9 Days
• service: Standard
• cost: $0.00
• type: Fixed

Genuine Mercedes 251-240-50-17 Is Similar To:

• 0140240086 Mount Left Mercedes Mb (27.5% similar) Dreams to reality foundation contributions and grants give youth the opportunity continue education gain access educators mentors. We gladly combine shipping on items won and bought the same day for cost savings. Rather than concerning ourselves with heralding headlines, or serving at breadlines, we...(July 18th, 2018)
• 01988 Febi New Mercedes Engine Mount Amg (47.7% similar) Standard shipping is sent via FedEx smart post which a 5-9 day economy service. Assuming it cost 10. The price is as it states on. Fitment information may not be available for all products. Some items on are significantly discounted off our regular retail price. 95 and is only available to the USA. ...(August 31st, 2018)
• 08001 Febi New Suspension Guide Rod Mount Front Lower Rear Mercedes (20.6% similar) First some items on are significantly discounted off our regular retail price. Cores: any cores must be in rebuild able condition with sufficient parts to rebuild said core rust, corrosion, OK. Mercedes-Benz: 300SD 300SDL 300SE 300SEL 350SD 350SDL 380SE 380SEC 380SEL 420SEL 500SEC 500SEL 560SEC ...(November 17th, 2018)
• 11107 Febi New Auto Trans Mount Rear Mercedes (21.1% similar) No further shipping discounts or savings are available on those items. Mercedes-Benz: C230 E300 E320 SL320 SL500 this auto trans mount - rear is a brand new part manufactured by FBI. Cores: any cores must be in rebuild able condition with sufficient parts to rebuild said core rust, corrosion, OK. ...(March 3rd, 2018)
• 1152230504 Mercedes Benz Motor Engine Mount Oem (48.3% similar) ...(October 28th, 2018)
• 123 240 20 18 Febi Bilstein Mercedes Rear Transmission Mount (37.2% similar) FBI Holstein brand transmission mount. Fits many model's and years of Mercedes W123 vehicles. Part number...(September 2nd, 2018)
• 1232402518 Uro Parts Auto Trans Mount Fits Mercedes 847603003553 (22.6% similar) That section provides detailed information about the part and compatible vehicles. All parts come with a 1-YEAR warranty and 30-DAY return period...(November 16th, 2018)
• 1232411713 Genuine Mercedes New Engine (44.9% similar) 95 and is only available to the USA. To ship the parts, you would get a credit of or less. For some heavier items shipping starts at the price is as it states on. Assuming it cost standard shipping is sent via FedEx smart post which a 5-9 day economy service. No further shipping discounts or savings...(January 6th, 2018)
• 1232420413 Uro Parts Auto Trans Mount Fits Mercedes 847603003522 (24.1% similar) All parts come with a 1-YEAR warranty and 30-DAY return period. That section provides detailed information about the part and compatible vehicles...(November 16th, 2018)
• 124 240 19 17 Febi New Mercedes Set Of Left And Right Engine Motor (40% similar) Position: left right 300CE 1993 1987 300D 300E fit notes: auto trans. 6 position: left right 260E fit notes: auto trans. Manufacturer FBI Holstein part number condition new applications Mercedes 190E position: left right position: left right 1993 300E 6 position: left right 190E 8 position: ...(May 26th, 2018)
• 163 240 03 18 Rein Automotive Mercedes Benz Transmission Mount (32.1% similar) New Rena transmission mount. Expedited shipping. Fast shipping. Shipping cost is only for US,48 lower states. Up for sale same working day shipping...(March 3rd, 2018)