Mercedes-Benz W210 W202 Door Lock Actuator - Used Original Parts
RM 550
Condition: Used (Original)Description
Product Title
Mercedes-Benz W210 W202 Door Lock Actuator - Used Original Parts
Diagnosis and Common Symptoms
From a workshop perspective, the W210 and W202 central locking system is robust but has a critical weak point: the vacuum-operated door lock actuators. Failure is rarely electrical; it is almost always a pneumatic leak within the actuator's diaphragm. This leak prevents the Pneumatic System Equipment (PSE) pump from achieving the required pressure or vacuum to secure the door.
Common Symptoms of a Failing Actuator:
- Extended PSE Pump Operation: The most telling sign. After pressing the lock/unlock button, you will hear the PSE pump (located in the trunk) run for an extended period (10-30 seconds) instead of the usual brief 1-2 second burst. The pump eventually times out to prevent burnout.
- Hissing Sound: A distinct, audible hissing noise from inside the specific door panel during the lock/unlock cycle indicates a vacuum leak at the actuator.
- Complete Failure to Lock/Unlock: The affected door will not respond to the central locking command from the remote or the console switch. It must be operated manually.
- System Deactivation: After repeated failures, the PSE control module may log a fault and deactivate the pneumatic circuit for the problematic door to protect the pump. At this point, the system will no longer even attempt to operate that specific lock.
There are typically no specific dashboard error messages for this fault. Diagnosis is confirmed by observing pump run-time and isolating the leaking component.
Introduction
Restore the integrity and security of your Mercedes-Benz central locking system with a Genuine, factory-original door lock actuator. These units are not inferior aftermarket copies; they are salvaged from donor vehicles and have been rigorously bench-tested to ensure the diaphragm holds a perfect vacuum and actuates correctly. Installing a tested, Genuine part is the correct procedure to resolve door lock issues and, crucially, to protect your expensive PSE pump from the strain of a constant vacuum leak.
Product Details
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Brand: Mercedes-Benz
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Model Compatibility: W210 E-Class (1995-2002), W202 C-Class (1993-2000)
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Part Name: Vacuum Door Lock Actuator
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Condition: Genuine Used (Tested Working)
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Notes: This is a vacuum-operated component. A leak in this part is the primary cause of PSE pump prolonged operation and eventual failure. Replacement is critical for overall system health.
Shipping
Location: Kuala Lumpur, Malaysia Shipping: West Malaysia RM50 (Estimate) / East Malaysia RM80 (Estimate) Delivery: 1-2 working days Packaging: Secure anti-static packaging, heavy-duty shock absorption. (We send actual photos/videos of the unit and packaging before shipping)
Warranty and Return Policy
- 30-day exchange warranty from the date of receipt.
- Proof of professional installation by a qualified workshop is required for warranty claims.
- No returns if the item is opened, modified, tampered with, or damaged due to incorrect electrical wiring.
- Exchange only for confirmed internal electronic defects.
How to Order
- WhatsApp us to confirm compatibility with your specific VIN.
- Send your chassis number or a clear photo of your old unit label.
- Confirm order details and stock availability.
- Receive actual product photos and diagnostic test confirmation.
- Make payment via bank transfer.
- Item is shipped immediately with tracking details provided.
Contact Us
Ready to order or have questions? Tap the WhatsApp button to chat with our team directly.
Price Notice
Price is estimated only. Actual price depends on current stock levels, specific part number revisions, and unit condition. Please WhatsApp us for a formal quote.
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