1. Sway Bars Suspension Steering For Sale
  2. sku: 15272892198291773
  3. MERCEDES A166326016504

MERCEDES A166326016504 Rear Stabilizer Anti Roll Sway Bar 1663260165004 Benz

fits model: Ml350, W166, 4matic. make: Mercedes. year: 2012–2015.

A166326016504 Mercedes-benz 2012-2015 Ml350 W166 4matic Rear Stabilizer Anti Roll Sway Bar Oem

( Manufacturer Part Number: A166326016504 ), ( Oe/oem Part Number: A1663260165 / A 166 326 01 65 / A 1663260165 ), ( Drive Type: Awd ), ( Bundle Listing: No ), ( Color: Black ), ( Features: No Drilling Required ), ( Fitment Type: Direct Replacement ), ( Placement On Vehicle: Rear ), ( Type: Sway Bar ), ( Material: Metal ), ( EAN: 1663260165004 )

Review MERCEDES benz Rear Stabilizer Anti Roll Sway Bar Oem fits ML350 W166 4MATIC 2012–2015

The **Mercedes-Benz A166326016504 Rear Stabilizer Bar (Anti-Roll Sway Bar) for the 2012 2015 ML350 W166 4MATIC** is a precision-engineered suspension component designed to enhance handling stability, reduce body roll, and improve overall driving dynamics for this iconic luxury SUV. Crafted from high-grade, heat-treated steel, this rear stabilizer bar is built to withstand the demands of both daily commuting and spirited driving, ensuring consistent performance across varying road conditions. The A166326016504 is a direct OEM replacement, meticulously matching the original specifications of Mercedes-Benz s factory-fit part, including the exact mounting points, bushings, and torque specifications. Its robust construction minimizes lateral movement of the rear axle during cornering, which not only prevents excessive body lean but also contributes to a more composed and confident ride, particularly when navigating tight curves or uneven terrain. The stabilizer bar s design incorporates a torsional spring mechanism that effectively dampens sway, allowing the ML350 s 4MATIC all-wheel-drive system to maintain optimal traction and alignment. Whether you re navigating city streets, winding mountain roads, or off-road adventures, this stabilizer bar ensures that the ML350 s suspension remains responsive and balanced, reducing fatigue for both the driver and passengers. Ideal for owners seeking to restore factory-level handling or upgrade their vehicle s suspension for improved performance, this part is a seamless fit for the ML350 s rear axle, requiring no modifications to the existing mounting hardware. With its durability and precision engineering, the A166326016504 is a critical component for maintaining the ML350 s reputation as a refined yet capable luxury SUV.

### **Pros and Cons of Buying a 2012 2015 Mercedes-Benz ML350 (W166) with a Rear Stabilizer Bar (Part No. A166326016504)**

#### **Pros**

1. **Improved Handling and Stability**

- The rear stabilizer bar (anti-sway bar) reduces body roll during cornering, making the ML350 more stable and predictable, especially when carrying passengers or cargo. This is particularly useful for SUVs, which can otherwise feel overly flexible in tight turns.

2. **Enhanced Comfort on Rough Roads**

- A properly installed stabilizer bar helps dampen excessive sway, which can lead to a more composed ride on uneven surfaces, such as potholes or gravel roads. This is beneficial for long drives where road imperfections are common.

3. **Compatibility with Performance Upgrades**

- If you plan to modify the ML350 (e.g., lowering springs, stiffer suspension, or performance tires), adding or upgrading the rear stabilizer bar can help balance the vehicle s handling characteristics and prevent excessive body lean.

4. **Cost-Effective Upgrade**

- Compared to full suspension overhauls or more advanced stability systems, replacing or upgrading the rear stabilizer bar is a relatively inexpensive modification. The part itself is reasonably priced, and installation is straightforward for those with mechanical experience.

5. **Potential for Improved Resale Value**

- If the ML350 is already well-maintained, adding a stabilizer bar (or upgrading an existing worn one) can make it more appealing to buyers who prioritize handling and stability, potentially justifying a slightly higher resale price.

6. **Prevents Excessive Wear on Other Components**

- A failing stabilizer bar can cause uneven tire wear, stress on bushings, and increased strain on the suspension system. Replacing it proactively can extend the lifespan of other parts and avoid costly repairs down the line.

7. **Customization and Personalization**

- For enthusiasts, upgrading the stabilizer bar (e.g., to a stiffer or adjustable model) allows for fine-tuning the ML350 s suspension to match driving preferences, whether for comfort or sportier handling.

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#### **Cons**

1. **Limited Impact on Overall Handling**

- While the rear stabilizer bar improves stability, it does not address other potential suspension issues (e.g., worn shocks, bushings, or control arms). If the rest of the suspension is degraded, the benefits will be minimal. A full suspension tune-up may still be necessary for optimal results.

2. **Installation Complexity**

- Removing and replacing the rear stabilizer bar requires lifting the vehicle, disconnecting the driveshaft (on 4MATIC models), and removing the rear subframe or access panels. This can be time-consuming and may require specialized tools. DIYers with limited experience may find it challenging.

3. **Potential for Over-Stiffening the Ride**

- If the stabilizer bar is too stiff (e.g., an aftermarket upgrade without proper tuning), it can make the ML350 feel harsh or uncomfortable, especially on rough roads. Finding the right balance is key.

4. **Cost of Professional Installation**

- While the part itself is affordable, labor costs at a Mercedes dealership or specialty shop can be high. For example, removing the rear subframe to access the bar may require an extended service bay time, increasing expenses.

5. **Compatibility with Other Modifications**

- If the ML350 has other suspension modifications (e.g., coilovers, lowered springs, or sway bar disconnects), the stabilizer bar may need to be adjusted or replaced with a different spec to avoid conflicting with those changes. Poorly matched components can lead to handling issues.

6. **Wear and Tear Over Time**

- Like any suspension component, the stabilizer bar can wear out, especially if the vehicle is driven aggressively or on rough terrain. It may require replacement again in the future, adding to long-term costs.

7. **Potential for Misalignment**

- If not installed correctly, the stabilizer bar can cause wheel misalignment, leading to uneven tire wear or handling issues. This underscores the importance of precise installation or professional alignment afterward.

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### **Conclusion**

The **Mercedes-Benz ML350 (W166) rear stabilizer bar (A166326016504)** is a worthwhile upgrade for owners seeking to improve handling stability, especially if the original bar is worn or the vehicle is used for frequent highway driving, towing, or aggressive cornering. It is a cost-effective way to enhance ride quality and prevent suspension-related wear, but it is not a standalone solution for a poorly maintained suspension system.

For **casual drivers** who prioritize comfort and occasional stability, the upgrade may not be necessary unless the original bar is visibly damaged. However, for **enthusiasts, long-distance drivers, or those planning suspension modifications**, installing or upgrading the rear stabilizer bar is a smart investment.

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### **Recommendation**

1. **Check the Current Condition of the Bar**

- Inspect the existing stabilizer bar for cracks, rust, or excessive wear. If it is damaged, replacement is strongly recommended.

2. **Assess the Rest of the Suspension**

- Before upgrading, ensure that shocks, bushings, and control arms are in good condition. A full suspension check-up may be needed to maximize the benefits of the stabilizer bar.

3. **Choose the Right Specifications**

- If upgrading, select a bar with the appropriate stiffness for your driving style. A stiffer bar is better for sportier handling, while a softer one may be preferable for comfort.

4. **Consider Professional Installation**

- Given the complexity of accessing the rear subframe on a 4MATIC ML350, professional installation is advisable unless you have significant mechanical experience. This ensures proper alignment and avoids potential damage.

5. **Pair with Other Modifications (If Needed)**

- If you plan to lower the vehicle or install coilovers, coordinate the stabilizer bar upgrade with those changes to avoid conflicting handling characteristics.

6. **Budget for Long-Term Maintenance**

- While the initial cost is low, factor in potential future replacements or additional suspension work to keep the ML350 handling optimally.

**Final Verdict:**

For **most owners of a 2012 2015 ML350**, replacing or upgrading the rear stabilizer bar is a **recommended upgrade** if the goal is to improve stability, prevent suspension wear, or enhance handling for modified setups. However, it should be part of a broader suspension evaluation rather than a standalone fix. If the vehicle is already well-maintained and the original bar is functional, the upgrade may not be urgent but it is a prudent long-term investment.

Details:

MILEAGE: 149K MILES. TRANSMISSION: 7-SPEED AUTOMATIC 7G-TRONIC. BODY TYPE: SPORT UTILITY 4-DOOR SUV. DRIVE TYPE: ALL WHEEL AWD / 4MATIC.

part #: a166326016504 prices

  • $89.99-$129.99

specifications swabasus:

  • for models: Ml350, W166, 4matic
  • for makes: Mercedes
  • for years: 2012-2015
  • mpn: A166326016504
  • oe/oem part number: A1663260165 / A 166 326 01 65 / A 1663260165
  • drive type: Awd
  • bundle listing: No
  • color: Black
  • features: No Drilling Required
  • fitment type: Direct Replacement
  • placement on vehicle: Rear
  • type: Sway Bar
  • material: Metal
  • ean: 1663260165004

general swabasus:

  • Car Truck Parts Accessories > Steering Suspension > Sway Bars, Links Bushings
  • condition: Used

offer swabasus:

  • options: Ship-to-home
  • availability: In Stock
  • started: May 18, 2026
  • sold: 0
  • best offers: True
  • quantity: 1

shipping swabasus:

  • cost: $50.00
  • class: Economy
  • type: Fixed
  • transit: 2-5 Days
  • service: Economy

payments swabasus:

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

seller swabasus:

  • rating: 99.9%
  • city: Kingsley, Michigan
  • # reviews: 63653

returns swabasus:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for models: ml350, w166, 4matic, for makes: mercedes, for years: 2012-2015, oe/oem part number: a1663260165 / a 166 326 01 65 / a 1663260165, drive type: awd, bundle listing: no, features: no drilling required, fitment type: direct replacement, placement on vehicle: rear, type: sway bar, ean: 1663260165004,
category: auto parts > car truck parts accessories > steering suspension > sway bars, links bushings, color: black, material: metal, sku: 15272892198291773,
Mercedes A166326016504 Is Similar To:
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2 offers $89.99–$129.99 USD
  • Used. Offer #1 priced at $89.99 + $50.00 shipping estimate = $139.99* total. DRIVE TYPE: ALL WHEEL DRIVE (AWD / 4MATIC). MILES 2023 NISSAN MURANO 3.5L 36K 2020 TOYOTA COROLLA LE 63K 2020 CHRYSLER 300 TOURING 88K 2020 BUICK ENCORE 62K.+$50.00 shipping
  • Used. Offer #2 priced at $129.99 + $0.00 shipping estimate = $129.99* total. Part: OEM Rear Stabilizer Sway Bar. Part Number: A 166 326 01 65 04.FREE SHIPPING

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