1. Engine Cooling Components Deals
  2. sku: 20473873251007632
  3. MERCEDES 674-50629

MERCEDES 674-50629 Radiator Fan Motor Engine Coolant Benz 197 32256048

fits model: Sls. make: Mercedes. year: 2011–2015.

674-50629 Mercedes-benz Radiator Fan Motor 197 Type Engine Coolant Fits 11-15 Sls 32256048

( Part Type: Fan Radiator Motor Engine ), ( Conditions Options: Ac, 7at, Fan Assembly ), ( Genuine Oem: Yes ), ( Ipn: 674-50629 ), ( Make: Mercedes-benz ), ( Manufacturer Warranty: 6 Month )

Review MERCEDES benz Radiator Fan Motor 197 Type Engine Coolant fits SLS 2011–2015

The **Mercedes-Benz 674-50629 Radiator Fan Motor** is a precision-engineered component designed exclusively for the iconic **W212 S-Class (SL 230/250/350/450/550 AMG) and W221 E-Class (220/250/300/400/500/560 AMG) models produced between 2011 and 2015**, ensuring optimal performance in the engine bay s cooling system. This high-performance electric fan motor is engineered to maintain the radiator s efficiency under demanding driving conditions, whether cruising at highway speeds or navigating stop-and-go traffic in urban environments. Crafted from durable materials, including a robust **aluminum housing** and **high-torque brushless DC motor**, the 674-50629 delivers consistent airflow while minimizing electrical draw, contributing to the vehicle s overall fuel efficiency and longevity. The motor features a **direct-drive design** with a **pulsed-width modulation (PWM) control system**, allowing for seamless integration with the vehicle s engine management unit (ECU) for adaptive speed regulation based on coolant temperature and engine load. Its **sealed bearing assembly** ensures smooth operation while resisting corrosion, making it ideal for both standard and high-performance applications. Compatible with **Mercedes-Benz engine coolant (part number 11-15-2-22-A01 or equivalent)** specifically formulated to prevent overheating and protect against scale buildup the fan motor operates in harmony with the radiator s core to dissipate excess heat, safeguarding critical components like the turbocharger, intercooler, and cylinder head. Whether used in a **restoration project, routine maintenance, or as an OEM replacement**, this fan motor adheres to Mercedes-Benz s stringent quality standards, ensuring a perfect fit and reliable performance for years to come. Its **universal applicability** across multiple high-end Mercedes models makes it a versatile choice for enthusiasts and professional mechanics alike, reinforcing the brand s reputation for engineering excellence.

### **Pros and Cons of buying a Mercedes-Benz 674-50629 Radiator Fan Motor for the 197 Engine (SLS AMG, 2011 2015, Part #11-15-32256048)**

#### **Pros:**

1. **Direct Fitment** This is an original equipment (OEM) or high-quality aftermarket replacement designed specifically for the **Mercedes-Benz 197 engine (M177)** found in the **SLS AMG (2011 2015)**. It ensures compatibility with the vehicle s cooling system and electrical connections.

2. **Reliability** Mercedes-Benz engines, especially high-performance ones like the 197, rely on proper cooling. A failing fan motor can lead to overheating, which may cause severe engine damage. Replacing it with a known-good part prevents potential long-term issues.

3. **Performance Impact** The **197 engine** uses a **variable-speed fan motor** (not a fixed-speed one) for efficient cooling under varying loads. A failing motor can lead to inconsistent cooling, reduced performance, or even stalling under heavy loads.

4. **Prevents Further Damage** If the fan motor is failing, it may cause the **thermostat, water pump, or radiator** to work harder, increasing wear on these components. Replacing it early avoids secondary failures.

5. **Warranty Coverage (If Applicable)** If purchasing from a reputable dealer or manufacturer, some parts may come with a warranty, providing peace of mind against premature failure.

6. **Ease of Installation** The fan motor is relatively straightforward to replace, requiring basic mechanical skills. Most mechanics or even experienced DIYers can install it in a few hours.

7. **Cost-Effective Long-Term Solution** While the upfront cost may seem high, replacing a failing fan motor is far cheaper than dealing with **engine overheating, warped cylinder heads, or a seized water pump**.

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#### **Cons:**

1. **High Cost** OEM or high-quality aftermarket fan motors for the **SLS AMG 197 engine** can be expensive, often ranging between **$200 $500 **, depending on the brand and source. This is one of the more costly components in the cooling system.

2. **Potential Counterfeit Parts** If purchasing from an untrusted seller (e.g., eBay, Amazon, or unknown online marketplaces), there is a risk of receiving a **counterfeit or low-quality part**. This could lead to early failure and additional costs.

3. **Additional Labor Costs** If not installing it yourself, labor charges at a Mercedes-Benz dealership or specialty shop can add **$150 $300 **, increasing the total expense.

4. **Compatibility Risks** While this part is designed for the **SLS AMG 197**, slight variations in wiring or mounting may exist depending on the exact model year. Double-checking with the vehicle s service manual is advisable.

5. **Related Component Wear** If the fan motor has been failing intermittently, other parts like the **radiator, water pump, or cooling hoses** may already be degraded. A full cooling system inspection is recommended before replacement.

6. **Electrical Issues** The fan motor is controlled by the **ECU (Engine Control Unit)**. If there are underlying electrical problems (e.g., faulty sensors, wiring issues), the new motor may not function correctly, requiring further diagnostics.

7. **Limited Availability of OEM Parts** Mercedes-Benz OEM parts can sometimes be hard to source, leading to longer wait times or higher prices compared to aftermarket alternatives.

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### **Conclusion:**

The **Mercedes-Benz 674-50629 radiator fan motor (11-15-32256048)** is a **critical component** for maintaining proper cooling in the **SLS AMG 197 engine**. While it has a **high upfront cost**, replacing a failing fan motor is **far cheaper than dealing with engine damage from overheating**. The benefits of **reliability, performance, and long-term engine protection** outweigh the drawbacks, provided the part is **authentic and properly installed**.

The main risks **high cost, potential counterfeit parts, and related component wear** can be mitigated by:

- **Purchasing from a trusted supplier** (e.g., **Mercedes-Benz dealership, reputable aftermarket brands like **AEM, Bosch, or Continental**).

- **Inspecting the cooling system** before replacement to ensure no other issues exist.

- **Considering DIY installation** to save on labor costs if comfortable with mechanical work.

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### **Recommendation:**

1. **Verify the Part Number & Fitment** Confirm that **11-15-32256048** is the correct part for your **SLS AMG (2011 2015)**. Cross-reference with the **vehicle s service manual** or a trusted mechanic.

2. **Purchase from a Reliable Source**

- **OEM (Mercedes-Benz dealership)** Most expensive but guaranteed authentic.

- **High-Quality Aftermarket (AEM, Bosch, Continental, or **MagnaFlow**)** Often more affordable with good reliability.

- **Avoid unknown sellers** to prevent counterfeit parts.

3. **Inspect the Cooling System**

- Check the **radiator, water pump, hoses, and thermostat** for wear.

- Test the **ECU and wiring** to ensure the fan motor receives proper signals.

4. **Consider Professional Installation**

- If unsure about electrical connections or cooling system adjustments, have a **Mercedes-Benz specialist or performance shop** install it.

- If DIYing, follow **factory service procedures** precisely to avoid misalignment or wiring errors.

5. **Monitor After Installation**

- Ensure the fan operates at **different engine speeds** (should be variable-speed, not always on).

- Watch for **overheating warnings** or unusual noises (e.g., grinding from the water pump).

6. **Budget for Potential Additional Work**

- If the cooling system has been neglected, expect to replace **hoses, the thermostat, or the water pump** alongside the fan motor.

### **Final Verdict:**

**Worth the investment if the fan motor is failing.** The **197 engine s cooling system is critical to performance and longevity**, and a failing fan motor is a **preventable failure** rather than an unavoidable one. By choosing a **genuine or high-quality replacement** and ensuring proper installation, you can **extend the life of your SLS AMG s engine** while maintaining optimal performance.

Details:

Torque converter must be properly seated and aligned to the front pump. Inspect and replace seals gaskets as needed. Purchaser must replace seals, gaskets, and filter before installation re-seal the oil pan. Mounting brackets and hardware are not included.

Contact B R immediately prior to removing or repairing any components. Inspect and replace as needed. No Hardware, Accessories. If heat tabs are melted or removed, warranty void.

Small Parcel Shipping UPS/FedEx: Free shipping on all small parcel orders. Brakes, seals, sensors, and lines should be inspected replaced as needed. Radiators must be flow tested or replaced receipts required. A cost-effective and Eco-friendly choice to keep your vehicle running cool.

Cooling lines must be flushed of debris before installing. Engine oil pans must be re-sealed. Transfer Case. Check with the dealer as components may be different.

Must be installed and inspected by a factory trained certified technician. Timing belts, thermostat, water pump and other maintenance items must be replaced. Confirm proper gear ratio prior to installation. Residential delivery is not included in the free shipping or our regional charges.

Warranty does not include shift motor, switches, sensors, or seals. B R Automotive does not guarantee mileage. Fill with fluid according to manufacturers recommended type and level. We remove oil pans to inspect automatic transmissions.

No Labor or any other charges related to the sale installation of this product are warranted. Comes with a 6-month, part-only warranty for your peace of mind.

part #: 674-50629 price

  • $517.57

specifications ocoosys:

  • for models: Sls
  • for makes: Mercedes
  • for years: 2011-2015
  • part type: Fan Radiator Motor Engine
  • conditions options: Ac, 7at, Fan Assembly
  • genuine oem: Yes
  • ipn: 674-50629
  • make: Mercedes-benz
  • manufacturer warranty: 6 Month

general ocoosys:

  • Car Truck Parts Accessories > Engine Cooling Components > Fan Shroud Assemblies
  • condition: Used

seller ocoosys:

  • rating: 98.4%
  • # reviews: 69710
  • city: Henderson, Nevada

offer ocoosys:

  • started: March 19, 2026
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • best offers: True
  • sold: 0

returns ocoosys:

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

payments ocoosys:

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

shipping ocoosys:

  • type: Fixed
  • transit: 4-8 Days
  • cost: $25.00
  • class: Standard
  • service: Standard
for models: sls, for makes: mercedes, for years: 2011-2015, part type: fan radiator motor engine, conditions options: ac, 7at, fan assembly, genuine oem: yes, manufacturer warranty: 6 month,
manufacturer: mercedes-benz, category: auto parts > car truck parts accessories > engine cooling components > fan shroud assemblies, sku: 20473873251007632,
Mercedes 32256048 Is Similar To:
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1 offer $517.57 USD
  • Used. Offer #1 priced at $517.57 + $25.00 shipping estimate = $542.57* total. Mounting brackets and hardware are not included.+$25.00 shipping

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