MERCEDES A997309400 Rear Right Door Latch Lock Actuator Benz X253

( Manufacturer Part Number: A997309400 ), ( Listed: Uv86 ), ( Interchange: 286-cpi ), ( Side: Right ), ( Year: 2017 ), ( Id: 4806c373-ab47-4eff-9aa0-30ba3ab93a7a ), ( Location: Nwak10g2 ), ( Type: Door Lock ), ( Placement On Vehicle: Rear, Right ), ( Oe/oem Part Number: A997309400 / 997309400 / 099 730 94 00, A2537600200 / 2537600200 / 253 760 02 00, A0997304000 / 0997304000 / 099 730 40 00, A2220064099 / 2220064099 / 222 006 40 99 )

Review MERCEDES benz Rear Right Side Door Latch Lock Actuator Oem fits GLC300 2016–2023

The **Mercedes-Benz A997309400 (2016 2023 GL-Class, Model Code X253) Rear Right Door Latch Lock Actuator** is a precision-engineered component integral to the vehicle s advanced electronic door locking system, ensuring seamless operation, security, and convenience for the driver and passengers. This high-performance actuator is designed exclusively for the **GL-Class (GL 350, GL 450, GL 63 AMG, and GL 65 AMG)** models produced between 2016 and 2023, adhering to Mercedes-Benz s stringent quality and reliability standards. Crafted from durable, corrosion-resistant materials, the actuator features a robust motorized mechanism that integrates with the vehicle s **Keyless Access and Push-Button Start** system, enabling effortless locking, unlocking, and child-safety lock activation via the central locking controls, remote key fob, or the interior door handles. Its compact yet robust design allows for precise engagement with the door latch mechanism, ensuring smooth and silent operation even under varying environmental conditions, from extreme temperatures to high humidity. The actuator is equipped with **self-diagnostic capabilities**, allowing the vehicle s onboard computer to detect and report potential malfunctions, such as electrical failures or mechanical wear, through the **Instrument Cluster or Service Message Center**. This proactive monitoring helps prevent unexpected door malfunctions during transit, enhancing both safety and user experience. Whether installed during routine maintenance or as part of a repair for a faulty latch, this actuator is a direct-fit replacement, compatible with the original equipment specifications, ensuring optimal performance and longevity. For Mercedes-Benz owners seeking a reliable, high-quality solution for their rear right door latch, this actuator represents the pinnacle of automotive engineering combining cutting-edge technology with the uncompromising craftsmanship synonymous with the Mercedes-Benz brand.

### **Pros and Cons of Buying a Replacement Rear Right Door Latch Lock Actuator for a Mercedes-Benz GLC-Class (2016 2023, Part # A997309400)**

1. **Direct Fitment** The part number **A997309400** is an original Mercedes-Benz replacement, ensuring compatibility with your 2016 2023 GLC 300 (X253) model. This reduces the risk of incorrect sizing or functionality issues compared to aftermarket alternatives.

2. **Reliability** Mercedes-Benz OEM parts are engineered to meet the vehicle s original specifications, which can improve long-term durability and reduce the likelihood of premature failure.

3. **Warranty Coverage** Purchasing from an authorized dealer or a reputable supplier may include a warranty, providing peace of mind in case of defects or early wear.

4. **Prevents Further Damage** A faulty door latch actuator can lead to misalignment, improper door sealing, or even electrical issues if left unaddressed. Replacing it promptly prevents secondary damage to related components (e.g., door seals, wiring harnesses).

5. **Maintains Resale Value** Keeping the vehicle in good working condition with original or high-quality replacement parts helps preserve its value, especially if you plan to sell or trade it in the future.

6. **Professional Installation Support** If buying from a dealership or a trusted mechanic, you may receive guidance on proper installation, reducing the risk of improper fitting or recurring issues.

7. **Access to Technical Resources** Mercedes-Benz dealerships and authorized service centers have access to diagnostic tools and service manuals, which can be useful if the issue persists after replacement.

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1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price for **A997309400** may range from **$150 $300 **, depending on the supplier, compared to **$50 $100** for a third-party equivalent.

2. **Longer Wait Times** Ordering from a dealership or official distributor may involve shipping delays, especially if the part is not in stock. Aftermarket suppliers often have faster turnaround times.

3. **Potential Overkill for Minor Issues** If the actuator failure is due to a minor electrical issue (e.g., corroded connectors, loose wiring) rather than mechanical wear, replacing the entire actuator may be unnecessary. Diagnosing the root cause first could save money.

4. **Labor Costs** Replacement requires professional installation, especially if it involves electrical disconnection or door panel removal. Labor fees at a dealership can add **$150 $300 **, depending on the shop.

5. **Risk of Counterfeit Parts** Purchasing from unverified online sellers (e.g., eBay, Amazon, or unknown marketplaces) increases the chance of receiving a fake or low-quality part. Always buy from authorized dealers or trusted suppliers.

6. **Complex Installation** The door latch actuator is located behind the door panel and may require removing the door trim, which is time-consuming. DIYers without experience may struggle with proper alignment or wiring.

7. **No Guarantee of Immediate Fix** In rare cases, the issue may persist due to underlying problems (e.g., faulty door switch, damaged wiring, or a failing door control module). A thorough diagnostic check is essential before purchasing.

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### **Conclusion**

Buying the **Mercedes-Benz A997309400 rear right door latch lock actuator** is a practical choice if you prioritize **reliability, longevity, and compatibility** with your GLC-Class. The OEM part ensures a direct fit and reduces the risk of future malfunctions, which is ideal if the actuator is the confirmed source of the problem. However, the **higher cost and potential for unnecessary replacement** (if the issue stems from another component) make it less ideal for budget-conscious buyers or those who prefer a DIY approach.

If the actuator is confirmed faulty and you have the budget, **purchasing the OEM part from an authorized dealer is the safest option**. If cost is a concern, a **high-quality aftermarket alternative** (e.g., from **Dorman, ACDelco, or Bosch**) may offer a cost-effective solution while maintaining reliability. Always verify the part s authenticity and ensure proper installation to avoid recurring issues.

1. **Confirm the Diagnosis** Before purchasing, have a mechanic verify that the **actuator is indeed the faulty component** (not the door switch, wiring, or control module). This avoids unnecessary expenses.

2. **Compare Suppliers** If buying OEM, check **Mercedes-Benz dealerships, MBUSA.com, or authorized distributors** for genuine parts. For aftermarket, reputable brands like **Dorman or Bosch** offer good alternatives at lower prices.

3. **Consider Labor Costs** If DIY installation is not feasible, factor in **professional labor costs** when budgeting. A dealership may charge more but ensures proper fitting.

4. **Check for Warranty** If the vehicle is still under warranty, contact **Mercedes-Benz customer service** some issues may be covered under a recall or extended warranty.

5. **Explore Aftermarket Options** If the OEM part is too expensive, a **direct-fit aftermarket actuator** (e.g., **A997309400-compatible part from a trusted brand**) can be a cost-effective alternative without sacrificing quality.

For most owners, **the OEM actuator (A997309400) is the best long-term solution** if the issue is confirmed and budget allows. For those seeking a balance between cost and reliability, a **high-quality aftermarket replacement** is a reasonable compromise. Always prioritize **proper diagnosis and installation** to ensure the problem is resolved permanently.

Details:

60-day return period begins on the day part is delivered. Orders are shipped via USPS, UPS, or FedEx. Are final sale. Shipping charges are based on delivery zip code and apply to the lower 48 states.

Locations without a dock or forklift will incur lift gate fee. 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. This MUST be specified AT TIME OF PURCHASE.

All listed parts have already been removed from donor vehicles and are on the shelf ready to be shipped. 2016 - 2023 MERCEDES GLC300 X253 REAR RIGHT SIDE DOOR LATCH LOCK ACTUATOR OEM Menu. Pulsate Template v3.2 2026/02/23 REAR DOOR LATCH.

part #: a997309400 prices

• $45.41-$67.40

specifications carlockiio:

• for models: Glc300
• for makes: Mercedes
• for years: 2016-2023
• mpn: A997309400
• listed: Uv86
• interchange: 286-cpi
• side: Right
• year: 2017
• id: 4806c373-ab47-4eff-9aa0-30ba3ab93a7a
• location: Nwak10g2
• type: Door Lock
• placement on vehicle: Rear, Right
• oe/oem part number: A997309400 / 997309400 / 099 730 94 00, A2537600200 / 2537600200 / 253 760 02 00, A0997304000 / 0997304000 / 099 730 40 00, A2220064099 / 2220064099 / 222 006 40 99

shipping carlockiio:

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

returns carlockiio:

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

payments carlockiio:

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

general carlockiio:

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

seller carlockiio:

• rating: 100.0%
• city: Nicholasville, Kentucky
• # reviews: 75246

offer carlockiio:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: March 22, 2026
• quantity: 1
• best offers: True

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