MERCEDES A1237230108 Front Door Lock Latch Actuator Left Benz

( Manufacturer Part Number: A1237230108 ), ( Type: Door Lock ), ( Ipn: 560sel 420sel 500sel 380sel 300sel 300sdl ), ( Vin Number Wdbca35e9la541304: Vin Wdbca35e9la541304 ), ( Manufacturer Warranty: 1 Month ), ( Oe/oem Part Number: 1237230108, A 123 723 01 08, 123 723 01 08 ), ( Country Of Origin: Germany ), ( Placement On Vehicle: Front, Left )

Review MERCEDES benz Front Door Lock Latch Actuator Left Side Oem fits 560SEL W126 420SEL

The **Mercedes-Benz A1237230108 Front Door Lock Latch Actuator (Left, W126, 560 SEL / 420 SEL)** is a precision-engineered component integral to the secure and seamless operation of the iconic W126 generation Mercedes-Benz sedans, including the legendary 560 SEL and 420 SEL models. Crafted to exacting standards by Mercedes-Benz, this latch actuator is a critical element of the vehicle s door locking mechanism, ensuring smooth engagement and disengagement of the door latch with minimal effort and maximum reliability. Designed with the brand s signature blend of German engineering and luxury, this actuator is built from high-grade materials, including durable metal alloys and corrosion-resistant coatings, to withstand the rigors of daily use while maintaining optimal performance even in varying environmental conditions. The actuator operates via an electric motor and a robust internal gear system, delivering precise and silent actuation when the door lock is activated, whether manually or through the vehicle s keyless entry system. Its compact yet robust design allows for seamless integration into the door panel, ensuring a clean aesthetic while maintaining structural integrity. This part is specifically tailored for the left front door of the W126 chassis, making it a direct replacement for worn or malfunctioning actuators that may exhibit symptoms such as difficulty locking/unlocking, a noticeable clicking sound, or a door that fails to latch properly. Whether replacing a failed component or upgrading for enhanced durability, this latch actuator upholds the high standards of Mercedes-Benz craftsmanship, ensuring that the door mechanism remains both functional and refined an essential element for preserving the vehicle s legendary driving experience and resale value.

### **Pros and Cons of buying a Mercedes-Benz A1237230108 Front Door Lock Latch Actuator (W126 560SEL/420SEL)**

1. **Direct Fitment** This part is specifically designed for the W126 560SEL and 420SEL models, ensuring compatibility without modifications. This reduces the risk of installation issues compared to generic replacements.

2. **OEM Quality** As an original equipment manufacturer (OEM) part, it meets Mercedes-Benz s engineering standards, providing reliable performance and durability. This minimizes the likelihood of premature failure.

3. **Authentic Functionality** The latch actuator is critical for secure door closure and proper lock engagement. A high-quality replacement ensures smooth operation, reducing the risk of jamming or misalignment.

4. **Warranty Coverage** Purchasing from a reputable seller (e.g., Mercedes-Benz authorized dealers or trusted aftermarket suppliers) may include warranties, offering peace of mind against defects.

5. **Prevents Further Damage** A faulty latch actuator can strain other components, such as the door hinge or locking mechanism. Replacing it early can avoid more extensive (and costly) repairs down the line.

6. **Easy Installation** While some Mercedes parts require specialized tools or expertise, this actuator is relatively straightforward to replace, especially for those with basic mechanical skills or access to professional help.

7. **Resale Value Protection** Keeping your vehicle in top condition with genuine parts helps maintain its resale value, which is important for luxury models like the 560SEL/420SEL.

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1. **High Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price of this actuator may range from **$150 $300 **, depending on the source, adding to labor costs if professional installation is required.

2. **Limited Availability** Finding the exact part number (A1237230108) may require ordering from specialized suppliers, which could involve longer wait times compared to more common parts.

3. **Potential Counterfeit Risks** If purchasing from untrusted sellers (e.g., eBay, Facebook Marketplace, or unknown online stores), there s a risk of receiving a **counterfeit or low-quality replica**, which could fail prematurely.

4. **Labor-Intensive Replacement** While the part itself is simple, removing the door panel, trim, and wiring harness can be time-consuming. For those without experience, this may require hiring a mechanic, increasing total costs.

5. **Mixed Reviews on Aftermarket Alternatives** While OEM is ideal, some aftermarket actuators (e.g., from **Dorman, Fel-Pro, or local Mercedes specialists**) offer comparable quality at a lower price. However, research is necessary to ensure reliability.

6. **Additional Wear Indicators** If the door latch failure is due to broader wear (e.g., rust, misalignment, or worn door seals), replacing just the actuator may not fully resolve the issue, leading to recurring problems.

7. **Environmental Factors** Exposure to moisture, road salt, or extreme temperatures can accelerate wear on replacement parts. Regular maintenance (e.g., lubrication, seal checks) is still necessary for long-term reliability.

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Buying the **Mercedes-Benz A1237230108 front door lock latch actuator (W126 560SEL/420SEL)** is a **practical and high-quality solution** for restoring proper door function, especially if you prioritize **durability, authenticity, and long-term reliability**. The OEM part ensures a **direct fit, minimal risk of compatibility issues, and peace of mind** regarding performance.

However, the **high cost and potential installation challenges** make it a less ideal choice for budget-conscious buyers or those uncomfortable with mechanical work. If you re willing to invest in quality and have access to professional installation, this is the **best option**. For cost-sensitive owners, **high-quality aftermarket alternatives** (e.g., **Dorman 8000 series or Fel-Pro**) may offer a **similar lifespan at a fraction of the price**, provided they are sourced from reputable suppliers.

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- **Purchase the OEM part (A1237230108) from a trusted Mercedes-Benz dealer or authorized supplier** (e.g., **Mercedes-Benz Parts, MBB, or local dealerships**).

- **Have a mechanic or experienced DIYer install it** to ensure proper alignment and wiring.

- **Inspect the door seals, hinges, and wiring** during replacement to prevent future issues.

- **Compare aftermarket options** (e.g., **Dorman 8000 series, Fel-Pro, or local Mercedes specialists**) for a **high-quality, lower-cost alternative**.

- **Verify reviews and compatibility** before purchasing to avoid counterfeit parts.

- **Consider a "build-your-own" kit** (e.g., from **MBB or RockAuto**) that includes the actuator plus necessary tools/seals.

- **Check for rust or corrosion** around the door latch area this may indicate deeper issues requiring attention.

- **Lubricate the new actuator** with **silicone-based grease** (avoid WD-40) to ensure smooth operation.

- **Test the door multiple times** after installation to confirm proper locking/unlocking functionality.

For **long-term reliability and vehicle integrity**, the **OEM actuator is the best choice**, despite the higher cost. If you re **willing to research and invest in a quality aftermarket part**, you can achieve similar results at a lower price. Always **prioritize reputable sellers** to avoid counterfeit or defective components.

Details:

Declared values of each package are according to the actual value that. Vehicle ID: 1990 420SEL V04.

part #: a1237230108 prices

• $50.00-$115.00

specifications carlockiio:

• for models: 560sel, W126, 420sel
• for makes: Mercedes
• mpn: A1237230108
• type: Door Lock
• ipn: 560sel 420sel 500sel 380sel 300sel 300sdl
• vin number wdbca35e9la541304: Vin Wdbca35e9la541304
• manufacturer warranty: 1 Month
• oe/oem part number: 1237230108, A 123 723 01 08, 123 723 01 08
• country of origin: Germany
• placement on vehicle: Front, Left

general carlockiio:

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

offer carlockiio:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: May 10, 2026
• quantity: 1

seller carlockiio:

• city: Rancho Cordova, California
• # reviews: 16457
• rating: 100.0%

payments carlockiio:

• credit card: Visa
• other
• wallet: Google-pay

returns carlockiio:

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

shipping carlockiio:

• cost: $15.00
• transit: 4-8 Days
• type: Fixed
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS

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