Mercedes-Benz W221 Front Wiper Motor A2218204642 - Used Original Parts
RM 600
Condition: Used (Original)Description
Product Title
Mercedes-Benz W221 Front Wiper Motor A2218204642 - Used Original Parts
Diagnosis and Common Symptoms
A failing front wiper motor on the W221 S-Class typically presents as slow wiper arm movement, wipers stopping mid-stroke or getting stuck at the base of the windshield, intermittent wiper failure especially in rain, or complete non-response when the wiper stalk is activated. In some cases the wipers may run continuously and not park correctly, or a grinding/whining noise is heard from the linkage area under the cowl panel. Since the W221 wiper motor is integrated with the linkage assembly, internal carbon brush wear, worn gear teeth, or a failing motor winding are the usual root causes. On the SBC/electric platform, a dead wiper motor rarely triggers a specific fault code visible on the instrument cluster, but the SAM (Signal Acquisition Module) may log an electrical circuit fault if the motor draws abnormal current or the circuit opens completely.
Introduction
This is a Genuine Used Mercedes-Benz front wiper motor, part number A2218204642, removed from a W221 S-Class donor vehicle. Each unit is Tested for correct motor operation, park function, and wiper arm speed control before listing. As a Genuine Mercedes-Benz component, it guarantees correct fitment, wiring compatibility, and factory-spec wiping performance without the reliability concerns of aftermarket reproduction motors. A solid option for owners looking to restore proper wiper function without the high cost of a new dealer unit.
Product Details
- Brand: Mercedes-Benz
- Model Compatibility: W221 S-Class
- Part Name: Front Wiper Motor
- Part Number: A2218204642
- Condition: Genuine Used (Tested Working)
- Notes: Tested for motor rotation, speed stages, and auto-park function prior to shipping; sold as a complete motor and linkage-mount assembly matching original factory fitment.
Frequently Asked Questions
Q: What are the early warning signs that the A2218204642 wiper motor is failing on a W221? A: Common early signs include wipers slowing down noticeably, hesitating at the start of a stroke, or failing to park flush at the base of the windshield. A faint grinding noise from under the cowl panel when the wipers are activated is also a typical early indicator before full failure.
Q: How do I confirm part number A2218204642 matches my W221 chassis? A: The part number is stamped or printed directly on the motor housing. Cross-check this against your original wiper motor before removal, since the W221 was produced with minor running changes across its production years, and confirming the number ensures correct fitment and connector match.
Q: Does the A2218204642 wiper motor require coding or adaptation after installation? A: No. This wiper motor is a mechanical/electrical unit controlled directly through the SAM module via wiring, not through SCN coding. It does not require programming, only a correct electrical connection and physical remounting to the linkage assembly.
Q: Is a used wiper motor a reliable choice compared to buying new for the W221? A: Yes, when tested prior to sale. Wiper motors are heavy-duty components with long service life, often outlasting the vehicle's other electronics. A tested used A2218204642 unit offers genuine Mercedes-Benz reliability at a fraction of new dealer pricing, which is a major advantage for W221 owners in Malaysia given the high import cost of new OEM electrical parts.
Q: Are there any installation gotchas when replacing this wiper motor? A: Ensure the wiper linkage arms are correctly indexed to the motor spindle before final tightening, as incorrect alignment will cause the wipers to park off-position or strike the windshield trim. Also inspect the rubber cowl seals and grommets during reinstallation, as these are often brittle on older W221 units.
Why Choose Us?
- Verified functionality
- Actual photos/videos provided
- 30-day exchange warranty
- Genuine Mercedes-Benz build quality ensures correct torque, speed control, and long-term durability compared to non-original replacements
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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