MERCEDES Cls Power Steering Rack Box Tie Rod End 552.MB1H12 Benz 551-50626

( Manufacturer Part Number: CLS550 ), ( Part Type: Steering Tie Rack Box Rod ), ( Conditions Options: Lh Rh Tie Rod Pair ), ( Genuine Oem: Yes ), ( Ipn: 552.mb1h12 551-50626 ), ( Make: Mercedes-benz )

Review MERCEDES benz Cls class Power Steering Rack Box Tie Rod End Pair fits CLS550 C218 2012–2018

The **Mercedes-Benz 552.MB1H12 (551-50626) 12-18 C218 CLS-Class Power Steering Rack Box Tie Rod End** is a precision-engineered component designed exclusively for the C218 generation of Mercedes-Benz CLS-Class vehicles produced between the model years 2012 and 2018. This high-performance tie rod end is a critical linkage in the vehicle s power steering system, ensuring smooth, responsive, and accurate steering control while maintaining structural integrity under the demanding forces exerted during daily driving, aggressive maneuvering, or high-speed operation. Crafted from durable, corrosion-resistant materials, this tie rod end is built to withstand the harshest environmental conditions, including exposure to road salt, moisture, and temperature fluctuations, which can accelerate wear and degradation in lower-quality aftermarket alternatives. The design incorporates a robust ball-joint mechanism, allowing for optimal articulation and flexibility at the wheel assembly while minimizing play and ensuring a tight, secure connection to the steering rack. This component is essential for preserving the alignment and handling characteristics of the CLS-Class, as misalignment or failure in the tie rod end can lead to erratic steering, uneven tire wear, or even loss of control in critical situations. Whether replacing a worn-out original equipment part or upgrading to enhance steering precision, this tie rod end delivers the reliability and performance expected from Mercedes-Benz engineering, ensuring a seamless fit and operation with the vehicle s hydraulic or electric power steering system. Its compatibility with the C218 platform including models such as the CLS 250, CLS 350, CLS 500, and CLS 63 AMG makes it an indispensable choice for both professional mechanics and discerning owners seeking to maintain or elevate their vehicle s performance and safety standards.

### Pros and Cons of Buying a Mercedes-Benz 552.MB1H12 (C218 CLS-Class) Power Steering Rack and Tie Rod End Assembly (Part Numbers: 551-50626, 12-18)

The 552.MB1H12 power steering rack and tie rod end assembly is designed specifically for the C218 chassis of the Mercedes-Benz CLS-Class (2012-2018 models). This ensures a direct fit without modifications, reducing the risk of installation errors.

As an original equipment manufacturer (OEM) part, it meets Mercedes-Benz s high standards for durability, precision, and performance. This reduces the likelihood of premature wear or failure compared to aftermarket alternatives that may not be as rigorously tested.

The C218 platform is known for its robust engineering, and the power steering rack and tie rod end assembly are critical components for smooth handling and safety. An OEM part is less likely to fail unexpectedly, which is particularly important for safety-critical systems like steering.

Purchasing directly from an authorized Mercedes-Benz dealer or a reputable supplier often includes warranty coverage, providing peace of mind. Aftermarket parts may not offer the same level of protection or support.

The OEM part is calibrated to work seamlessly with the rest of the vehicle s steering system, ensuring consistent feedback, responsiveness, and safety. Aftermarket parts might introduce slight variations in feel or performance.

Since it is an OEM part, it is designed to be installed with the same tools and procedures as the original component. This can simplify the repair process, especially for mechanics familiar with Mercedes-Benz vehicles.

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OEM parts are significantly more expensive than aftermarket alternatives. The price of the 552.MB1H12 assembly (including the tie rod ends) can be 2-3 times higher than a comparable aftermarket part. This can be a substantial investment, especially if the vehicle is not a high-mileage or high-value model.

OEM parts, particularly those sourced from official dealers or Mercedes-Benz authorized suppliers, may have longer lead times due to inventory constraints or manufacturing delays. This can cause inconvenience if you need the part urgently.

If the vehicle has very low mileage and the steering system has not shown signs of wear, replacing the entire rack and tie rod ends may be unnecessary. In such cases, a targeted repair (e.g., only replacing the tie rod ends or a specific component of the rack) could be more cost-effective.

When purchasing from non-authorized sources (e.g., eBay, Craigslist, or unscrupulous online marketplaces), there is a risk of receiving counterfeit or refurbished parts that do not meet OEM specifications. Always verify the source and authenticity of the part.

Replacing a power steering rack and tie rod ends is a labor-intensive job that often requires specialized tools and expertise. Labor costs can add significantly to the total expense, especially if the work is done by a dealership or a highly skilled mechanic.

OEM parts often come from new manufacturing, which may have a higher environmental impact compared to refurbished or remanufactured parts. While this is less of a practical concern for the buyer, it is worth considering for environmentally conscious consumers.

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The **Mercedes-Benz 552.MB1H12 power steering rack and tie rod end assembly (551-50626, 12-18 C218 CLS-Class)** is a high-quality, reliable, and directly compatible replacement part for your vehicle. It offers the advantage of OEM precision, warranty coverage, and long-term durability, making it an ideal choice if you prioritize safety, performance, and longevity. However, the **higher cost, potential lead times, and the risk of over-replacement** (if the vehicle is low-mileage) are significant drawbacks that must be weighed against the benefits.

For most owners experiencing **steering issues such as excessive play, leaks, or poor responsiveness**, investing in an OEM part is justified, especially if the vehicle is a high-value or high-mileage model. If budget is a concern, a **remanufactured OEM part** or a **high-quality aftermarket alternative** (from reputable brands like Febi, Meyle, or ACDelco) could be a more economical option, provided they meet the same performance standards.

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Before purchasing, confirm that the entire rack and tie rod ends need replacement. Symptoms like **steering wheel play, fluid leaks, or a loose feel** may indicate a specific component failure (e.g., just the tie rod ends or a worn rack bearing). A diagnostic check by a Mercedes-Benz specialist can help avoid unnecessary expenses.

- **Authorized Dealership:** The safest option for authenticity and warranty, but expect higher costs and potential lead times.

- **Mercedes-Benz Approved Supplier:** Websites like **MBPartsOnline, MBPartShop, or local authorized distributors** often offer OEM parts with shorter lead times than dealerships.

- **Remanufactured OEM Parts:** Companies like **Mercedes-Benz Remanufacturing** or **Meyle (which offers OEM-compatible parts)** provide cost-effective alternatives with warranty coverage.

- **Avoid Unverified Sellers:** Steer clear of eBay, Facebook Marketplace, or unknown online stores unless you can verify the part s authenticity (e.g., through a VIN check or dealer verification).

- If comfortable with mechanical work, you may attempt the installation yourself, though this requires specialized tools (e.g., hydraulic press for tie rod ends, torque wrench, and alignment equipment).

- For peace of mind, have a **Mercedes-Benz certified mechanic** perform the installation, especially if you are unsure about the process.

- **Individual Tie Rod Ends:** Purchasing only the tie rod ends (e.g., part number **551-50626** may refer to the assembly, but individual ends like **551-50626-00** or **551-50626-01** may be available separately).

- **Aftermarket Rack:** Brands like **Meyle (C218-compatible racks)** or **Febi** offer high-quality alternatives at a lower cost. Ensure they are **direct-fit** and come with a warranty.

After replacement, monitor the steering system for any **unusual noises, leaks, or changes in feel**. Regularly check power steering fluid levels and top up as needed (use **Mercedes-Benz-approved fluid**, typically **PSF-4 or MB 236.14**).

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- Your vehicle has **high mileage or shows clear signs of rack/tie rod wear**.

- You prioritize **long-term reliability and warranty coverage**.

- You are willing to **pay the premium for OEM quality**.

- The vehicle has **low mileage and only minor steering issues**.

- You are on a **tight budget** and can find a **remanufactured OEM or high-quality aftermarket part**.

- You are comfortable **diagnosing the exact issue** before committing to a full rack replacement.

For most CLS-Class owners facing steering problems, the **OEM part remains the best choice for safety and longevity**, but always weigh the cost against the vehicle s value and your specific needs.

Details:

Provides unrestricted 53 ft truck access no residential streets, gates, or limited entry areas. No expedited shipping options are available at this time. 210270526 LH RH Tie Rod Pair.

specifications tirolik:

• for models: Cls550, C218
• for makes: Mercedes
• for years: 2012-2018
• mpn: Cls550
• part type: Steering Tie Rack Box Rod
• conditions options: Lh Rh Tie Rod Pair
• genuine oem: Yes
• ipn: 552.mb1h12 551-50626
• make: Mercedes-benz

shipping tirolik:

• transit: 4-10 Days
• type: Fixed
• class: Economy, Standard
• cost: $0.00
• service: Economy, Standard

payments tirolik:

• wallet: Apple-pay
• credit card: Visa
• other
• cash

returns tirolik:

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

offer tirolik:

• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: April 24, 2026
• best offers: True

general tirolik:

• Car Truck Parts Accessories > Steering Suspension > Tie Rods Steering Linkages
• condition: Used

seller tirolik:

• # reviews: 30865
• rating: 99.9%
• city: North Brunswick, New Jersey

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