MERCEDES 4479005423 Control Unit Benz

( Manufacturer Part Number: 4479005423 ), ( Part Type: Control Unit ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included ), ( Replaces Part Number: 4479000218, 4479003217, 4479003614, 4479006620 )

Review MERCEDES benz Genuine Control Unit

The Mercedes-Benz 447.90 05 423 control unit is an essential component of the Mercedes-Benz E-Class W212 model's electronic stability program (ESP). This control unit plays a crucial role in ensuring optimum vehicle stability and safety by monitoring and controlling various vehicle systems in real-time.

The 447.90 05 423 control unit is a sophisticated electronic module that utilizes advanced sensors and algorithms to detect and counteract vehicle instability caused by various driving conditions. It continuously analyzes vehicle speed, steering angle, yaw rate, and lateral acceleration to determine the vehicle's stability and traction.

When necessary, the control unit activates the ESP system by applying selective braking force to individual wheels to help maintain vehicle stability and prevent skidding or sliding. The control unit also interacts with other vehicle systems, such as the anti-lock braking system (ABS) and the engine management system, to optimize vehicle performance and safety.

The Mercedes-Benz 447.90 05 423 control unit is designed with high-quality components and advanced manufacturing processes to ensure long-lasting reliability and durability. The control unit is sealed against moisture and other environmental factors to protect against damage, and it features robust connectors and wiring to ensure a secure electrical connection.

Installing the Mercedes-Benz 447.90 05 423 control unit requires specialized knowledge and tools, and it should only be performed by a qualified Mercedes-Benz technician. The control unit is also calibrated to work specifically with the W212 E-Class model, so it should not be used in any other vehicle.

In summary, the Mercedes-Benz 447.90 05 423 control unit is a vital component of the ESP system in the W212 E-Class model. It utilizes advanced sensors and algorithms to monitor vehicle stability and traction and activates the ESP system when necessary to help prevent skidding or sliding. The control unit is designed with high-quality components and advanced manufacturing processes to ensure long-lasting reliability and durability. It should only be installed by a qualified Mercedes-Benz technician and should not be used in any other vehicle.

Buying a Mercedes-Benz control unit with the part number 447.90.0.5.4.23 (hereafter referred to as the control unit) involves considering several pros and cons. This control unit is likely an important component of Mercedes-Benz vehicles, but it's essential to weigh the benefits and drawbacks before making a purchasing decision.

1. Enhanced Performance: The control unit could potentially improve the vehicle's performance by optimizing various functions, ensuring that all systems work together seamlessly.

2. Repair and Diagnostic Capabilities: Replacing a faulty control unit could fix various issues, including warning lights, sensor problems, and other electrical malfunctions, allowing for a smoother driving experience.

3. Long-Term Savings: By repairing the control unit instead of purchasing a new vehicle, you could save a significant amount of money in the long run.

4. Original Equipment Manufacturer (OEM): Purchasing an OEM control unit ensures compatibility with your vehicle and guarantees a high level of quality and reliability.

1. Cost: The price of a Mercedes-Benz control unit can be quite hefty, and the overall cost of the repair, including labor and parts, could be significant.

2. Availability: Finding a reliable and trustworthy seller for an OEM control unit can be challenging, especially for less common part numbers.

3. Installation Complexity: The installation process for a control unit can be intricate and time-consuming. It may require specialized tools and expertise, potentially leading to additional labor costs.

4. Risk of Damaging Other Components: During the installation process, there is a risk of damaging other components in the vehicle due to the intricacy of the wiring and connections.

The decision to buy a Mercedes-Benz control unit with the part number 447.90.0.5.4.23 depends on various factors, such as the severity and cost of the issue, the availability of the part, and your personal budget and priorities. If the control unit failure significantly affects your vehicle's performance or safety, or if the cost of repairs is within your budget, then purchasing and installing the new control unit may be the best option. Alternatively, if the issue is minor or the repair cost is excessive, you might consider exploring alternative solutions, such as buying a used control unit or investigating potential workarounds for the issue.

Before making a purchasing decision, it's crucial to research potential sellers and compare prices to ensure you're getting a fair price for the control unit. Additionally, if you're not confident in your ability to install the control unit yourself, consider consulting a professional mechanic for their expertise and to minimize the risk of damaging other components during the installation process.

Details:

Electrical parts are not returnable. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Genuine Mercedes-Benz Control Unit: Parts: With pixel matrix, with adaptive cruise. Parts must be resealable and in the original packaging.

part #: 4479005423 prices

• $908.25-$1403.68

specifications instrcluster:

• for makes: Mercedes
• mpn: 4479005423
• part type: Control Unit
• genuine oem: Yes
• warranty: 1 Year
• fitment type: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included
• replaces part number: 4479000218, 4479003217, 4479003614, 4479006620

general instrcluster:

• condition: New
• Interior Parts Accessories > Gauges > Instrument Clusters

returns instrcluster:

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

offer instrcluster:

• availability: In Stock
• started: April 2, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0

seller instrcluster:

• # reviews: 1265
• city: Farmington, Utah
• rating: 99.3%

shipping instrcluster:

• cost: $31.91
• type: Fixed
• transit: 5-9 Days
• carrier: FedEx
• class: Standard
• service: FedEx Ground / FedEx Home Delivery

payments instrcluster:

• credit card: Diners-club
• wallet: Paypal
• other

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