MERCEDES 642330 Rack Pinion Ty Benz 253

( Manufacturer Part Number: 642330 ), ( Manufacturer Warranty: 90 Day ), ( Genuine Oem: Yes ), ( Seller Notes: Quality, Oem, Recycled, Part, 1-year, 3-year, Warranties ), ( Make: Mercedes-benz ), ( Interchange Item Code: 551 ), ( Color: Red ), ( Type: Rack And Pinion Assembly )

Review MERCEDES benz Used Rack And Pinion Assembly Glc class 253 Ty fits GLC 2017

The **Mercedes-Benz 642330 Rack and Pinion Assembly (2017 GL-Class, 253 Ty)** is a precision-engineered steering system component designed to deliver the refined handling and effortless maneuverability synonymous with Mercedes-Benz luxury vehicles. This high-performance rack and pinion assembly is specifically tailored for the **GL-Class 253 Ty**, a model known for its blend of off-road capability and on-road elegance, and it plays a critical role in ensuring smooth, responsive, and accurate steering feedback across all driving conditions. Crafted from durable, corrosion-resistant materials, this rack and pinion system incorporates a robust **titanium-reinforced pinion shaft** and a **high-precision helical gear mechanism**, which work in tandem to minimize play, reduce wear, and enhance steering linearity even under heavy loads or during aggressive off-road excursions. The assembly features a **sealed and lubricated internal system**, protecting against dust, moisture, and debris intrusion, while the **integrated dust boots and protective covers** further safeguard against environmental contaminants that could compromise performance. Engineered with Mercedes-Benz s signature attention to detail, this rack and pinion is compatible with the **253 Ty s advanced steering assist systems**, including adaptive damping and electronic power steering (EPS), ensuring a balance of effortless control and precise feedback for both urban driving and rugged terrain. Whether navigating tight city streets or tackling uneven off-road trails, this component is built to maintain optimal steering response, contributing to the GL-Class s reputation for seamless integration of luxury and capability. For enthusiasts and fleet operators seeking reliability, this rack and pinion assembly represents a direct replacement part that upholds the same engineering standards as the original equipment, ensuring longevity and performance without compromise.

### **Pros and Cons of buying a Mercedes-Benz 642330 Rack and Pinion (2017 GL-Class 253 TY)**

#### **Pros**

1. **Reliability of the Mercedes-Benz GL-Class Platform**

The GL-Class (GLE in some markets) is a well-built SUV with a reputation for durability, especially in its mid-size segment. Mercedes-Benz has historically focused on long-term reliability in its higher-end models, and the GL-Class benefits from this engineering philosophy.

2. **Strong Engine and Transmission Options**

The 2017 GL-Class 253 TY is equipped with the **M256 3.0L inline-six turbocharged engine**, which is known for its smooth power delivery and efficiency. Paired with the **7G-Tronic 9-speed automatic transmission**, this setup offers a balanced blend of performance and comfort. The engine is also known for its longevity when maintained properly.

3. **Comfort and Ride Quality**

The GL-Class is designed for a refined driving experience, with excellent suspension tuning that absorbs road imperfections well. The cabin is spacious, offering a premium feel with high-quality materials, especially in higher trim levels like the 253 TY (which likely includes features like leather upholstery, ambient lighting, and advanced infotainment).

4. **Advanced Safety Features**

The 2017 GL-Class comes standard with Mercedes-Benz s **DISTRONIC PLUS adaptive cruise control**, **active lane-keeping assist**, **blind-spot monitoring**, and **pre-collision braking**. These systems enhance safety and reduce driver fatigue on long trips.

5. **Resale Value**

Mercedes-Benz vehicles, particularly well-maintained models like the GL-Class, hold their value relatively well compared to some competitors. A 2017 model with low mileage and a clean service history can still command a decent resale price.

6. **Rack and Pinion Steering (642330)**

The rack and pinion steering system in this model is generally more responsive and precise than traditional recirculating ball systems found in older Mercedes-Benz SUVs. It provides better feedback to the driver and is easier to service in some cases, though it may be more susceptible to wear over time if not maintained.

7. **Versatility and Practicality**

The GL-Class offers a good balance between on-road comfort and off-road capability (depending on the trim and optional packages). The 253 TY likely includes features like **adaptive dampers**, **all-wheel drive (4MATIC)**, and **terrain-specific driving modes**, making it suitable for a variety of conditions.

8. **Aftermarket and Customization Options**

The GL-Class has a dedicated following, and there are numerous aftermarket parts available for upgrades, such as exhaust systems, suspension modifications, and performance tuning. This can be appealing for owners looking to personalize their vehicle.

---

#### **Cons**

1. **Higher Maintenance Costs**

Mercedes-Benz vehicles, while reliable, are known for their expensive parts and labor costs. Routine maintenance (e.g., oil changes, brake jobs, and timing belt replacements) can be significantly more costly than for Japanese or Korean brands. The rack and pinion system, while durable, may also require specialized attention if it develops leaks or binding issues.

2. **Complexity of the Rack and Pinion System**

The rack and pinion steering system, while generally reliable, can be more complex to diagnose and repair than traditional steering systems. Issues such as fluid leaks, worn seals, or binding can arise, particularly if the vehicle has been driven in harsh conditions or not maintained properly. Replacing a rack and pinion assembly can be expensive.

3. **Electrical Gremlins**

Like many modern Mercedes-Benz models, the GL-Class can suffer from occasional electrical issues, such as malfunctioning sensors, infotainment glitches, or intermittent problems with features like the adaptive cruise control or lane-keeping assist. These issues can be frustrating to troubleshoot and repair.

4. **Fuel Economy Trade-offs**

While the 3.0L turbocharged engine is efficient for its class, it is not as fuel-efficient as some smaller or hybrid SUVs. Expect around **18-22 MPG combined** (city/highway), which is decent but not exceptional for a vehicle of this size and power. Diesel options (if available) may offer better fuel economy but come with their own maintenance considerations.

5. **Depreciation**

Luxury vehicles, including Mercedes-Benz models, tend to depreciate faster than their mass-market counterparts. A 2017 GL-Class may have already lost a significant portion of its original value, and further depreciation over time is likely unless it is well-maintained and in high demand.

6. **Potential for Infotainment Lag**

The MBUX infotainment system (if equipped) can sometimes suffer from lag or software issues, particularly in older models. While updates can improve performance, the system may still feel less responsive compared to competitors like BMW or Audi.

7. **Weight and Handling**

The GL-Class is a heavy vehicle, which can make it less nimble in tight urban driving situations or during aggressive maneuvers. The rack and pinion steering, while precise, may not feel as light or sporty as some competitors, though it is still adequate for daily driving.

8. **Recall and Warranty Considerations**

Always check for open recalls or warranty coverage before purchasing a used Mercedes-Benz. Some models from this era may have had recalls related to electrical systems, airbag issues, or other components. Ensuring the vehicle has been properly serviced under warranty can save significant costs later.

---

### **Ending Conclusion**

The **2017 Mercedes-Benz GL-Class 253 TY with rack and pinion steering (642330)** is a well-rounded luxury SUV that offers a blend of comfort, performance, and reliability. It is an excellent choice for buyers who prioritize a refined driving experience, advanced safety features, and the prestige of the Mercedes-Benz brand. The rack and pinion steering system enhances responsiveness and ease of use, making it a practical upgrade from older steering setups.

However, potential buyers should be prepared for higher maintenance costs, the complexity of electrical systems, and the possibility of depreciation over time. The 3.0L turbocharged engine is robust but requires attentive care to ensure longevity. If you are looking for a long-term SUV that balances luxury with practicality, this model is a strong contender **provided it has a clean service history, no major accidents, and no unresolved recalls**.

### **Recommendation**

1. **Verify the Service History** Confirm that all scheduled maintenance (oil changes, timing belt, suspension, etc.) has been performed by a Mercedes-Benz dealership or a trusted independent specialist.

2. **Check for Recalls** Use the Mercedes-Benz Recall Checker (https://recalls.mercedes-benz.com/) to ensure there are no outstanding recalls.

3. **Inspect the Rack and Pinion System** Look for signs of leaks, binding, or unusual noises in the steering. A pre-purchase inspection by a mechanic familiar with Mercedes-Benz vehicles is highly recommended.

4. **Test Drive Thoroughly** Pay attention to how the steering feels, whether there are any electrical quirks, and how the transmission shifts.

5. **Negotiate Based on Condition** If the vehicle has been well-maintained, it may still be a good deal, but if it shows signs of neglect, factor in potential future repair costs.

6. **Consider Financing Options** Given the higher maintenance costs, ensure you can afford unexpected repairs or upgrades.

**Final Verdict:** This 2017 GL-Class 253 TY is a solid choice for buyers who want a reliable, comfortable, and capable luxury SUV. With proper care, it can provide many years of trouble-free service. However, be mindful of the long-term costs associated with Mercedes-Benz ownership and ensure the vehicle s history is as pristine as possible. If you are comfortable with the brand s maintenance requirements, this model is well worth considering.

Details:

Every part is cleaned, tested and inspected by experts. Original parts mean a perfect fit. All parts are covered by warranty. Unless specified as Universal this is a direct fit Rack and Pinion Assembly.

253 Type power rack and pinion GLC300 SUV. Parts go back into cars rather than landfill. This part fits vehicles made in the following years 2016, 2017 ,2 018,2019.

part #: 642330 prices

• $514.90-$644.90

specifications steragebo:

• for models: Glc
• for makes: Mercedes
• for years: 2017
• mpn: 642330
• manufacturer warranty: 90 Day
• genuine oem: Yes
• seller notes: Quality, Oem, Recycled, Part, 1-year, 3-year, Warranties
• make: Mercedes-benz
• interchange item code: 551
• color: Red
• type: Rack And Pinion Assembly

shipping steragebo:

• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• carrier: FedEx
• type: Fixed
• transit: 2-5 Days
• class: Standard

offer steragebo:

• availability: In Stock
• started: March 16, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0

returns steragebo:

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

seller steragebo:

• city: Rockville, Minnesota
• rating: 98.3%
• # reviews: 11383

payments steragebo:

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

general steragebo:

• Car Truck Parts Accessories > Steering Suspension > Gearboxes, Rack Pinions
• condition: Used

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