MERCEDES 211-320-04-89 Rod Benz

( Manufacturer Part Number: 211-320-04-89 ), ( Part Type: Rod ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review MERCEDES benz Genuine Rod

The **Mercedes-Benz 211-320-04-89 rod** is a meticulously engineered, high-performance component designed exclusively for the iconic **W123 Mercedes-Benz 250/280/300 series**, specifically tailored to enhance the drivetrain s durability, responsiveness, and overall reliability. Crafted from premium **chromoly steel** (typically 4140 or 4130 grade), this rod is forged to exacting standards, ensuring superior strength and resistance to fatigue under extreme loads whether navigating aggressive driving conditions, towing heavy loads, or enduring prolonged high-speed cruising. The **4130-grade alloy**, in particular, offers an optimal balance of toughness and flexibility, reducing the risk of catastrophic failure while maintaining precision in articulation. This rod features a **fully machined surface**, eliminating any potential weak points from casting or welding, and is often **hardened and ground** to a smooth finish for optimal lubrication and longevity. The **7/16-inch bolt pattern** and **1.25-inch diameter** are engineered to accommodate the W123 s rear axle requirements, ensuring a seamless fit with the differential housing and axle shafts. Beyond its structural integrity, the 211-320-04-89 rod is designed with **minimal play**, reducing internal slop and improving drivetrain efficiency, which translates to smoother power delivery and reduced wear on connected components like the driveshaft and universal joints. Whether restoring a classic W123 to its original glory or upgrading an existing drivetrain for modern demands, this rod serves as a critical upgrade, blending heritage engineering with contemporary performance standards. Its compatibility with aftermarket modifications such as performance exhaust systems, heavy-duty springs, or limited-slip differentials makes it a versatile choice for enthusiasts seeking both authenticity and enhanced capability. Proper installation, including the use of **high-quality lubricants** and **correct torque specifications**, is essential to maximize its lifespan and ensure optimal performance, making it a cornerstone component for any W123 drivetrain build.

### Pros and Cons of Buying a Mercedes-Benz 211.320.04-89 (W123, E220/E240 Diesel)

#### **Overview**

The Mercedes-Benz 211.320.04-89 engine code corresponds to the **OM617** series, specifically the **OM617.940** (2.4L diesel) or **OM617.960** (2.5L diesel) variants, found in the **W123** generation (1981 1991) of Mercedes-Benz cars, particularly the **240D, 250D, and 300D** models. This engine was known for its reliability, durability, and strong performance in its time, but like all older vehicles, it comes with trade-offs.

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### **Pros**

1. **Proven Durability and Longevity**

The OM617 engine is renowned for its robustness. Many examples have exceeded **300,000 500,000 miles** with proper maintenance, especially when the **turbocharger, injectors, and fuel system** are regularly serviced. This engine was designed for heavy-duty use, making it ideal for long-distance driving or commercial applications.

2. **Strong Performance for Its Era**

The 2.4L and 2.5L versions produce ** 75 90 horsepower** and ** 122 136 lb-ft of torque**, which was respectable for a diesel in the early 1980s. The engine s **mechanical fuel injection** (pre-diesel common rail) and **turbocharging** (in later models) provided good low-end torque, making it suitable for towing or highway cruising.

3. **Fuel Efficiency**

Diesel engines of this era were significantly more fuel-efficient than their gasoline counterparts. The W123 diesel models could achieve ** 25 35 mpg** (urban/highway), which is impressive by modern standards for a vehicle of this age. This makes it cost-effective for high-mileage driving.

4. **Strong Secondary Market and Parts Availability**

The W123 platform is one of the most popular Mercedes-Benz models ever produced, ensuring a **vast supply of parts, aftermarket support, and restoration resources**. Finding mechanics familiar with this engine is easier than for rarer models, and many parts are still manufactured or available through third-party suppliers.

5. **Classic Status and Collectibility**

The W123, especially in diesel form, is highly sought after by enthusiasts. Well-preserved examples (especially **240D/250D**) can appreciate in value over time, particularly if they are **low-mileage, original, or restored**. This makes it a viable investment for collectors.

6. **Simple and Straightforward Maintenance**

Compared to modern complex engines, the OM617 is relatively **mechanically straightforward**. Basic maintenance (oil changes, fuel filter replacements, turbo inspections) is manageable for DIYers. The absence of modern emissions systems (like EGR or DPF) simplifies repairs in some cases.

7. **Reliability in Harsh Conditions**

Many OM617 engines thrive in **cold climates or rough terrain** better than modern diesels, as they lack sensitive electronics that can fail in extreme conditions. The **mechanical fuel pump and injectors** are less prone to freezing or electronic malfunctions.

8. **Potential for Modifications**

Enthusiasts have successfully **turbocharged, upgraded injectors, and modified fuel systems** to increase power (up to **150 200 hp** in some cases). The engine s strong block and simple design make it a favorite for **DIY tuning**.

9. **Lower Running Costs (Compared to Modern Diesels)**

While parts can be expensive, **labor costs are often lower** than for modern Mercedes-Benz models. Insurance and registration fees are also typically cheaper than for newer luxury vehicles.

10. **Nostalgia and Driving Experience**

The W123 diesel offers a **smooth, refined ride** for its time, with good handling and a **distinctive diesel growl**. For enthusiasts who appreciate classic Mercedes-Benz driving dynamics, this is a major plus.

---

### **Cons**

1. **Age-Related Wear and Tear**

The engine and drivetrain components (e.g., **transmission, rear axle, suspension**) are **decades old** and may require **major overhauls** if the vehicle has high mileage. Rust, worn bushings, and failing seals are common issues.

2. **Fuel System Vulnerabilities**

The **mechanical fuel injection system** is prone to **carbon buildup, leaking injectors, and fuel pump failures**. Modern diesel fuel (with additives) can cause **gelled fuel** in older tanks, leading to starting issues. A **fuel system flush and injector cleaning** is often necessary.

3. **Turbocharger Reliability**

The **turbocharger (in later models)** is a weak point. Worn turbo bearings, oil leaks, and **turbo lag** can develop over time. Replacing a turbo on an OM617 can be **costly and labor-intensive**.

4. **Emissions and Modern Compliance**

The W123 diesel was not built to meet **modern emissions standards**. In some regions, it may require **exemptions or modifications** to pass smog checks, which can be difficult. Some states (e.g., California) have **restrictions on older diesels**.

5. **High Maintenance Costs Over Time**

While parts are available, **labor costs add up**. Specialized mechanics familiar with the OM617 may charge premium rates. **Major repairs** (e.g., engine rebuild, transmission overhaul) can cost **$3,000 $8,000 **, depending on the extent of work.

6. **Electrical System Issues**

Older Mercedes-Benz electrical systems (especially in the W123) are **prone to corrosion, failing relays, and wiring problems**. The **alternator, starter, and fuse box** may need attention. Modern electronics (e.g., key fob issues) can also be problematic.

7. **Safety and Modern Standards**

The W123 lacks **modern safety features** (airbags, ABS, traction control, electronic stability control). While it handles well, it does not meet today s **crash safety or collision avoidance standards**.

8. **Fuel Quality and Compatibility**

Modern diesel fuel contains **biodiesel blends and additives** that can damage older fuel systems. **Ethanol contamination** (even in small amounts) can ruin the engine. **Fuel stabilizers and proper storage** are often necessary.

9. **Rust and Body Corrosion**

Many W123s suffer from **rust in the floor pans, wheel wells, and undercarriage**, especially in snowy or humid climates. A **full rustproofing treatment** is highly recommended.

10. **Resale Value Depends on Condition**

While some W123 diesels appreciate, **most depreciate significantly** unless they are **restored to showroom condition**. A poorly maintained example will lose value quickly.

11. **Limited Modern Comforts**

The interior is **basic by today s standards**, with **no power steering, cruise control, or advanced climate control** in most models. Heating and cooling systems may be less efficient than modern vehicles.

12. **Difficulty Finding Qualified Mechanics**

While parts are plentiful, **finding a mechanic who specializes in W123s** can be challenging. Many shops are more familiar with newer Mercedes-Benz models, which may lead to **misdiagnoses or improper repairs**.

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### **Potential Major Issues to Inspect Before Buying**

- **Fuel system condition** (injectors, fuel pump, lines, tank for water/fuel contamination).

- **Turbocharger health** (listen for whine, check for oil leaks, inspect wastegate).

- **Transmission condition** (slipping, rough shifting, fluid condition).

- **Rust** (especially in the **floor pans, rear axle, and suspension components**).

- **Electrical system** (test starter, alternator, fuses, and wiring harnesses).

- **Engine compression and leaks** (check for **blow-by, oil leaks, or exhaust smoke**).

- **Suspension and steering** (worn bushings, ball joints, tie rods).

- **Brake system** (warped rotors, worn pads, master cylinder leaks).

---

### **Conclusion**

Buying a **Mercedes-Benz W123 diesel (211.320.04-89)** is a **great choice for enthusiasts, collectors, or those seeking a reliable classic vehicle** but it is **not a practical daily driver for everyone**. The engine s **durability and fuel efficiency** make it ideal for **long-distance driving, towing, or restoration projects**, while its **classic status** ensures a strong secondary market for well-maintained examples.

However, **potential buyers must be prepared for high maintenance costs, age-related wear, and the need for specialized care**. If you are **willing to invest time and money into upkeep**, this vehicle can

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable. Parts must be resalable and in the original packaging.

part #: 2113200489 prices

• $33.66-$50.02

specifications carlockiio:

• for makes: Mercedes
• mpn: 211-320-04-89
• part type: Rod
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included

returns carlockiio:

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

shipping carlockiio:

• class: Standard
• carrier: FedEx
• transit: 4-9 Days
• cost: $20.00
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery

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• # reviews: 204
• rating: 98.6%
• city: Laguna Niguel, California

general carlockiio:

• Car Truck Parts Accessories > Exterior Parts Accessories > Exterior Locks Lock Hardware
• condition: New

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• other

offer carlockiio:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• started: May 7, 2026

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