fits model: Gl450. make: Mercedes. year: 2013.

( Manufacturer Part Number: 000-506-32-64 ), ( Part Type: Control Valve Heater ), ( Country Of Origin: Germany )
The **Mercedes-Benz Part Number 000-506-32-64 (A0005063264)** is a precision-engineered **Heater Control Coolant Valve Changeover** designed specifically for the **2013 Mercedes-Benz GL-Class (GL450)**, ensuring optimal climate control performance within the vehicle s sophisticated HVAC system. This critical component plays a pivotal role in regulating the flow of coolant between the engine and the heater core, allowing for seamless temperature modulation in both the cabin and the engine bay. Crafted from high-quality materials, including durable metal alloys and corrosion-resistant coatings, this valve is built to withstand the demanding conditions of Mercedes-Benz s advanced cooling and heating systems, delivering reliable operation over an extended service life.
The **000-506-32-64** valve operates through an electromagnetic or mechanical actuation mechanism, depending on the vehicle s specific configuration, enabling precise control over coolant diversion. When the heater is engaged, the valve shifts coolant flow from the engine s radiator to the heater core, ensuring efficient heat transfer for passenger comfort. Conversely, during engine cooling phases, the valve redirects coolant back to the radiator, maintaining optimal operating temperatures. This seamless switching mechanism is essential for preventing overheating, improving fuel efficiency, and preserving the longevity of the engine and HVAC components.
For installation, this valve is engineered to fit seamlessly into the **GL450 s cooling system architecture**, requiring minimal modification to existing plumbing. It is designed with **O-ring seals and threaded connections** to ensure a leak-proof installation, reducing the risk of coolant loss and system contamination. Compatible with the **2013 model year GL450**, this part adheres to Mercedes-Benz s stringent quality standards, offering a direct replacement for the original equipment manufacturer (OEM) component. Whether addressing a malfunctioning valve, upgrading for enhanced performance, or replacing a worn-out part, this **A0005063264** valve provides a dependable solution that aligns with the luxury and engineering excellence expected from a Mercedes-Benz.
Proper maintenance and periodic inspection of this valve are recommended to prevent potential failures, such as sticking or leaks, which could compromise the vehicle s cooling and heating efficiency. As a **genuine Mercedes-Benz part**, it is manufactured to the same exacting specifications as the original, ensuring compatibility, durability, and performance consistency with the rest of the vehicle s systems. Whether for a routine service or a critical repair, this valve represents a reliable investment in the continued reliability and comfort of the **2013 GL450**.
### **Analysis of Buying a 2013 Mercedes-Benz GL450 with the Heater Control Coolant Valve (Part No. 000-506-32-64) and A0005063264 Issue**
#### **Overview of the Problem**
The **heater control coolant valve (part no. 000-506-32-64)** in your 2013 Mercedes-Benz GL450 is failing, leading to issues with climate control specifically, the inability to properly heat or cool the cabin. The **A0005063264** diagnostic trouble code (DTC) is associated with this component, indicating a malfunction in the valve s operation. This part is part of the **heating and air conditioning system**, and its failure can disrupt comfort and, in some cases, lead to engine overheating if the coolant flow is improperly regulated.
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### **Pros of Buying This Vehicle Despite the Issue**
1. **Strong Resale Value**
- Mercedes-Benz luxury SUVs, even older models like the GL450, retain a relatively high resale value compared to many competitors. If you plan to sell it later, you may still recover a significant portion of your investment.
2. **Luxury and Comfort Features**
- The GL450 offers premium amenities such as leather seating, advanced sound systems, high-quality infotainment, and a spacious interior. These features enhance daily driving comfort and long-term usability.
3. **Reliability of the Engine and Chassis**
- The **5.5L V8 (M276) engine** in the GL450 is known for durability, especially when maintained properly. Many owners report few major engine issues beyond routine upkeep.
- The **4MATIC all-wheel-drive system** provides excellent traction in various conditions, which is valuable for drivers in snowy or rough-terrain environments.
4. **Potential for Cost-Effective Repairs**
- While the **heater control coolant valve** is a relatively common failure point in older Mercedes models, the part itself is **not extremely expensive** (typically ranging from **$100 $300** for the valve, plus labor). This makes it a manageable repair compared to more catastrophic failures (e.g., transmission issues, engine problems).
- If you are mechanically inclined or have access to a trusted mechanic, you could perform the replacement yourself, further reducing costs.
5. **Availability of Parts and Mechanics**
- Mercedes-Benz parts and labor are widely available, especially in urban areas. Dealerships and independent shops often have experience working on this model, ensuring easier repairs.
6. **Potential for Customization and Upgrades**
- The GL450 s luxury status means there are aftermarket upgrades available for performance, aesthetics, and comfort (e.g., suspension upgrades, premium audio systems, or enhanced interior modifications).
7. **Low Mileage Options May Exist**
- If you can find a **well-maintained GL450 with low miles (under 60,000 80,000 km)**, the risk of other major failures (e.g., transmission, suspension) may be lower, making the heater valve issue a minor inconvenience.
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### **Cons of Buying This Vehicle with the Heater Valve Issue**
1. **Recurring Climate Control Problems**
- The **heater control coolant valve** is a **frequent failure point** in older Mercedes models, particularly those with the **M276 V8 engine**. If not addressed, this issue can lead to:
- **Inconsistent cabin heating** (e.g., cold air blowing even when the heater is on).
- **Engine overheating risks** if the valve fails completely, disrupting coolant flow.
- **Additional electrical or sensor-related issues**, as the valve is controlled by the **climate control module**.
- Replacement is **not a one-time fix** some owners report the valve failing again within **1 3 years** if the underlying electrical or system issues persist.
2. **Potential for Related System Failures**
- The **climate control module (CCM)** or **coolant temperature sensor** may also be failing, leading to **recurring DTCs (e.g., A0005063264, A0005063265, A0005063266)**. These components can be **more expensive to replace** (up to **$500 $1,200** for labor and parts).
- If the **coolant pump or thermostat** is also worn, further repairs may be needed, increasing long-term costs.
3. **Dealer vs. Independent Shop Costs**
- While the **valve itself is affordable**, **dealer labor rates** for Mercedes repairs are **high (often $120 $200/hour)**. Independent shops may charge less but could lack Mercedes-specific expertise.
- If the **climate control module** needs replacement, costs can rise significantly.
4. **Electrical and Software Quirks**
- Older Mercedes models (pre-2015) are known for **electrical gremlins**, including:- **Intermittent climate control failures** (e.g., buttons not responding, displays freezing).
- **Compatibility issues with aftermarket stereos or Bluetooth devices**.
- The **A0005063264 code** may also trigger **check engine lights** and require a **scan tool** for proper diagnosis, adding to diagnostic costs.
5. **Potential for Other Hidden Issues**
- The **transmission (7G-Tronic)** in the GL450 is **reliable but not bulletproof**. Some owners report **delayed shifts, rough gear changes, or fluid leaks** as the vehicle ages.
- **Suspension components (struts, bushings, control arms)** may need replacement, especially if the vehicle has seen rough treatment.
- **Rust or corrosion** in the undercarriage (common in snowy climates) can lead to **frame or subframe issues**, increasing long-term repair costs.
6. **Insurance and Maintenance Costs**
- **Insurance premiums** for luxury vehicles are typically higher due to repair costs.
- **Mercedes maintenance is expensive** regular services (e.g., valve stem replacement, timing belt inspection) can add up quickly.
7. **Market Perception and Depreciation**
- While the GL450 retains value, **luxury SUVs depreciate faster** than some other segments. If you plan to keep it long-term, the **heater valve issue may deter future buyers** unless fully resolved.
- Buyers may **discount the price** if they know about the climate control problem, reducing resale value.
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### **Conclusion: Should You Buy This Vehicle?**
#### **Buy It If:**You **prioritize luxury and comfort** over cost efficiency.
You **find a well-documented vehicle** with **low miles (under 80,000 km)** and **full service records**, indicating the heater valve failure is isolated.
You **budget for the repair** (expect **$300 $800** for parts and labor) and are prepared for potential **recurring climate control issues**.
You **plan to keep the vehicle for at least 3 5 years** and can **maintain it properly** (oil changes, coolant flushes, transmission service).
You **prefer a proven V8 engine** over newer turbocharged alternatives (which may have different reliability concerns).
You **have access to a trusted Mercedes mechanic** who can diagnose and fix the issue efficiently.
#### **Avoid It If:**You **cannot afford unexpected repairs** luxury vehicles require **consistent maintenance** to avoid major failures.
The **seller refuses to provide a full service history** or **pre-purchase inspection (PPI)**.
You **find multiple recurring issues** (e.g., transmission slippage, electrical gremlins) beyond just the heater valve.
You **live in a harsh climate** (extreme cold or heat) where climate control reliability is critical.
You **plan to sell soon** buyers may **negotiate aggressively** if they know about the heater valve issue.
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### **Recommendation: Best Course of Action**
1. **Get a Pre-Purchase Inspection (PPI)**
- Hire a **Mercedes specialist** to thoroughly inspect the vehicle, focusing on:- **Heater control coolant valve** (test for proper function).
- **Climate control module** (check for error codes).
- **Transmission fluid condition** (look for leaks or burning smells).
- **Suspension and steering components** (check for wear).
- **Coolant system** (inspect hoses, thermostat, and pump).
- A PPI typically costs **$100 $200** but can **save thousands** by uncovering hidden problems.
2. **Negotiate the Price Based on the Issue**
- If the PPI confirms the **heater valve is failing**, use this as leverage to **reduce the purchase price by 5 15%** to account for the repair.
- Example: If the car is listed for **$25,000**, aim
Fitment: Fits multiple Mercedes-Benz model's including: GL-Class X166. Shipping: Fast shipping. Other model's may apply. All ports and connectors are intact.
Genuine OEM heater control valve / coolant changeover removed from a 2013 Mercedes-Benz GL450 X166. No cracks or major damage observed. Part Number. Not aftermarket or replica.
Comes exactly as shown in photos. Condition: Used OEM part. 100% Genuine Mercedes-Benz OEM part. Secure packaging.
Please review photos carefully for condition. Item Details: This valve also referred to as a changeover valve controls the flow of coolant through heater system, helping regulate cabin temperature.