Mercedes-Benz W221 Electric Power Steering Pump A2164600380 - Used Original Parts
RM 800
Condition: Used (Original)At a Glance
- Mercedes-Benz W221 Electric Power Steering Pump A2164600380 - Used Original Parts
- Part number: A2164600380 / 2164600380
- Fits: Mercedes-Benz S-Class W221 · confirm by chassis number before ordering
- Used Original · tested working
- RM 800 · final quote via WhatsApp
- M.S. Motor · Kuala Lumpur, Malaysia · ready stock
Diagnosis and Common Symptoms
A failing electric power steering pump on the W221 S-Class typically announces itself before total failure. Common indicators include the steering wheel suddenly becoming heavy at low speeds or during parking maneuvers, intermittent loss of power assist, and a whining or grinding noise from the pump motor located near the steering rack. On the instrument cluster, drivers often see the "Visit Workshop, Steering Assistance Reduced" or "Steering Fault" warning message. Fault codes commonly retrieved via diagnostic scan include C1105, C1041, or related EPS (Electric Power Steering) circuit faults pointing to pump motor malfunction, voltage supply issues, or internal pump controller failure. In some cases, the ESP light also illuminates simultaneously due to the interlinked steering and stability control systems on the W221 platform.
Introduction
This is a Genuine used electric power steering pump, part number A2164600380, sourced directly from a donor Mercedes-Benz W221 S-Class. Every unit undergoes bench testing before listing to confirm motor operation and pressure output, ensuring it functions as expected upon installation. Sourcing a Genuine Tested used pump gives buyers confidence in fitment and reliability without the high cost of a brand new replacement. Ideal for W221 owners looking to resolve steering assist faults with a proven, original component.
Product Details
- Brand: Mercedes-Benz
- Model Compatibility: W221 S-Class (S350, S400, S450, S500, S550, S600 and related variants)
- Part Name: Electric Power Steering Pump
- Part Number: A2164600380
- Condition: Genuine Used (Tested Working)
- Notes: Tested for motor function and pump pressure prior to sale; visual inspection performed on wiring connector and housing for cracks or corrosion; recommend verifying compatibility using chassis VIN before purchase
Frequently Asked Questions
What symptoms indicate the A2164600380 pump is failing on a W221?
Early signs include heavy steering at low speed, intermittent power assist loss, whining noise from the pump area, and dashboard warnings such as "Steering Assistance Reduced" alongside fault codes like C1105 or C1041.
Does the electric power steering pump need coding after installation on the W221?
No module coding or adaptation is typically required for this pump. It is a mechanical/motor unit that operates once properly connected; however, a diagnostic scan clearing prior fault codes is recommended after installation.
How do I confirm this pump fits my specific W221 S-Class?
Match the part number A2164600380 directly against the number stamped or labeled on your existing pump, or verify compatibility through your VIN with a Mercedes-Benz parts lookup, since S-Class variants across the W221 range used differing pump specifications.
Is a used steering pump reliable compared to buying new for the W221?
A tested Genuine used pump like this one offers significant cost savings over a new unit while still delivering reliable performance, since electric power steering pumps generally have a long service life and failures are more often electrical or connector related than motor wear.
What should I check before installing this pump?
Inspect the wiring harness connector for corrosion, confirm the mounting bracket matches your chassis, and ensure the battery is disconnected during installation to avoid triggering unrelated electrical faults on the W221.
Part price does not include installation. Our workshop can install for you, labour is charged separately and confirmed with you before any work starts.
We cannot diagnose your car over WhatsApp or photos. Not sure this part will solve your problem? Come for a workshop check, diagnosis fee RM180. If you proceed with the repair using our parts, the RM180 is offset into the labour charge. If you decide not to repair, only the RM180 applies.
All parts are tested and guaranteed to work. Whether a part solves your car's problem can only be confirmed by diagnosis.
Shipping: from Kuala Lumpur, West Malaysia ~RM50, East Malaysia ~RM80 (estimate, confirm via WhatsApp). Delivery 1-2 working days in secure anti-static packaging.
Warranty: 30-day exchange for control units, engines, gearboxes and other major parts; 14 days for small parts. Claims require proof of installation by a qualified workshop. No warranty for items opened, modified, or damaged by wrong installation.
Prices vary with stock and part condition. Final price via WhatsApp.
Original Parts
Quality European Originals
Fast Delivery
Nationwide Shipping