MERCEDES A2129008929 Front Left Door Control Module Benz R172

( Listed: Um53 ), ( Interchange: 591-75821 ), ( Id: 7be6c487-0e32-497e-916f-6e6a0528f232 ), ( Location: Nwad2g3 ), ( Type: Door Control Unit ), ( Placement On Vehicle: Front, Left ), ( Manufacturer Part Number: A2129008929 ), ( Oe/oem Part Number: A2129009029 / 2129009029 / 212 900 90 29, A2129008929 / 2129008929 / 212 900 89 29 ), ( Material: Plastic )

Review MERCEDES benz Front Left Door Control Module Oem fits SLC300 2017–2020

The Mercedes-Benz A2129008929 is a front left door control module for the Mercedes-Benz SLC300 model years 2017 to 2020, also known as the R172 series. This component is a crucial part of the vehicle's electrical system, responsible for controlling various functions related to the driver's side door.

The door control module ensures smooth and efficient operation of the power window, central locking system, and other door-related features. It communicates with other vehicle systems through a complex network of wires and electrical connections. The module is designed to receive and process signals from the vehicle's main computer and other sensors, allowing it to perform its functions accordingly.

This particular Mercedes-Benz door control module is a high-quality aftermarket replacement part, manufactured to meet or exceed OEM specifications. It is built with advanced technology and materials, ensuring reliable and consistent performance. The module undergoes rigorous testing to ensure it meets the highest standards of quality and functionality.

The A2129008929 is a plug-and-play part, meaning it can be easily installed in your vehicle without the need for any additional modifications or programming. It comes with a comprehensive installation guide, making the process as straightforward as possible for the DIY enthusiast. For those who prefer professional installation, it can be installed by a certified mechanic or Mercedes-Benz dealership.

One of the key benefits of this aftermarket door control module is its affordability compared to OEM alternatives. Despite its lower cost, it offers the same level of functionality and reliability as the original part. This makes it an excellent choice for Mercedes-Benz SLC300 owners looking to save money on repairs without sacrificing quality.

In summary, the Mercedes-Benz A2129008929 is a high-quality aftermarket front left door control module for the Mercedes-Benz SLC300 R172 series. It offers reliable and consistent performance, easy installation, and affordability compared to OEM alternatives. With its advanced technology and rigorous testing, it is an excellent choice for those seeking to maintain the optimal functioning of their vehicle's door control system.

The Mercedes-Benz SLC 300 (R172 model) is a premium vehicle known for its sleek design and superior performance. The front left door control module (A2129008929) is an essential part of the vehicle's electrical system, responsible for controlling various functions related to the door, such as power windows, locks, and warning lights. If you are considering purchasing this part, here are some pros and cons to help you make an informed decision:

1. OEM Part: This control module is an original equipment manufacturer (OEM) part, meaning it is manufactured by Mercedes-Benz or an authorized supplier. This ensures that it is a perfect fit for your vehicle and will function as intended.

2. Improved Functionality: A faulty door control module can cause various issues, such as doors not closing properly, power windows not working, or warning lights illuminating on the dashboard. By replacing the faulty module with a new one, you can restore the functionality of your vehicle's doors.

3. Enhanced Safety: The door control module plays a role in various safety features, such as power locks and child safety locks. A malfunctioning module can compromise these features, making it essential to replace it with a functional one.

4. Long-Term Savings: While the upfront cost of purchasing a new control module may seem high, it can save you money in the long run. A faulty module can lead to additional repairs or even a costly replacement of the entire door assembly.

1. Upfront Cost: Replacing a door control module can be an expensive repair. The cost of the part itself, as well as the labor costs to install it, can add up.

2. Availability: Depending on the location and availability of the part, it may take some time to receive it. This can result in prolonged inconvenience, especially if the faulty module is causing significant issues with the vehicle.

3. Complexity: The door control module is a complex electronic component, and replacing it may require specialized knowledge and tools. It is essential to ensure that the person installing the new module has the necessary expertise to avoid any potential complications.

In conclusion, while the cost and potential inconvenience of replacing a door control module may seem daunting, the benefits of restoring the functionality and safety of your Mercedes-Benz SLC 300 make it a worthwhile investment. By purchasing an OEM part from a reputable dealer, you can ensure that you are getting a high-quality component that will function correctly and potentially save you money in the long run. It is essential to consider the availability and complexity of the replacement process when planning the repair and to ensure that the installation is carried out by a qualified professional.

Details:

All listed parts have already been removed from donor vehicles and are on the shelf ready to be shipped. Locations without a dock or forklift will incur lift gate fee. 60-day return period begins on the day part is delivered. 2017 - 2020 MERCEDES SLC300 R172 FRONT LEFT DOOR CONTROL MODULE OEM A Menu.

Are final sale. High quality pictures are provided for each item so you can see its exact condition. Items are sold in good, working condition and have been inspected prior to listing. Orders are shipped via USPS, UPS, or FedEx.

This MUST be specified AT TIME OF PURCHASE. Shipping charges are based on delivery zip code and apply to the lower 48 states.

part #: a2129008929 prices

• $40.38-$41.25

specifications ecusrush:

• for models: Slc300
• for makes: Mercedes
• for years: 2017-2020
• listed: Um53
• interchange: 591-75821
• id: 7be6c487-0e32-497e-916f-6e6a0528f232
• location: Nwad2g3
• type: Door Control Unit
• placement on vehicle: Front, Left
• manufacturer part number: A2129008929
• oe/oem part number: A2129009029 / 2129009029 / 212 900 90 29, A2129008929 / 2129008929 / 212 900 89 29
• material: Plastic

general ecusrush:

• condition: Used
• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules

returns ecusrush:

• policy: Returns Accepted
• time: 60 Days
• paid by: Seller

shipping ecusrush:

• class: Standard
• type: Fixed
• service: Standard
• transit: 3-6 Days
• cost: $0.00

payments ecusrush:

• credit card: Discover
• other
• wallet: Apple-pay

offer ecusrush:

• sold: 0
• started: March 20, 2026
• best offers: True
• quantity: 1
• options: Ship-to-home
• availability: In Stock

seller ecusrush:

• # reviews: 74838
• city: Nicholasville, Kentucky
• rating: 100.0%

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