Mercedes-Benz W222 Headlamp Main Ballast A2229004505 - Used Original Parts
RM 1,000
Condition: Used (Original)At a Glance
- Mercedes-Benz W222 Headlamp Main Ballast A2229004505 - Used Original Parts
- Part number: A2229004505 / A2228700789 / A2229012302 / A2229029404
- Fits: Mercedes-Benz W222 S-Class · confirm by chassis number before ordering
- Used Original · tested working
- RM 1,000 · final quote via WhatsApp
- M.S. Motor · Kuala Lumpur, Malaysia · ready stock
Diagnosis and Common Symptoms
From the workshop floor, a failing W222 headlamp ballast presents with distinct and often escalating symptoms. Initially, you may notice a delayed ignition or a flickering of the Xenon bulb upon startup, particularly in cold or damp conditions. As the internal electronics degrade, this progresses to the headlamp cutting out intermittently during operation, only to relight after cycling the switch.
The most definitive indicators will be logged in the vehicle's diagnostic system. On the dashboard, expect to see error messages such as "Intelligent Light System Inoperative" or "Check Low Beam." A scan with a capable tool will reveal specific fault codes stored in the front SAM (Signal Acquisition Module) or the headlamp control unit itself, typically pointing to an ignition failure, an open circuit, or a communication fault with the ballast. A complete failure results in a non-illuminating headlamp, which, after confirming the bulb is functional, points directly to this control unit. Water ingress from a compromised headlamp seal is the primary cause of failure for this component.
Introduction
Restore the powerful and precise illumination of your S-Class with a cost-effective, reliable solution. This is a Genuine Mercedes-Benz headlamp main ballast, carefully sourced from an original W222 headlamp assembly. Each unit is meticulously bench-tested by our technicians to ensure stable voltage output and flawless communication with the vehicle's lighting system. Trust in a proven, original part to bring your vehicle's advanced lighting back to factory specification without the expense of a brand-new unit.
Product Details
- Brand: AL / Mercedes-Benz (Genuine)
- Model Compatibility: Mercedes-Benz S-Class (W222) 2014-2020. (Please verify part number for exact fitment).
- Part Name: Headlamp Main Control Module / Xenon Ballast
- Condition: Genuine Used (Tested Working)
- Notes: Before installation, it is critical to inspect the headlamp housing for any signs of moisture or a compromised rear seal. Failure to address a leak will result in premature failure of the replacement ballast.
Part Numbers and Fitment
- Part numbers: A2229004505 / A2228700789 / A2229012302 / A2229029404
- Fits: Mercedes-Benz W222 S-Class
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: 7, 14 or 30 days depending on the part, as confirmed in your quote, from the invoice date. Exchange only, and our warranty mark must be intact. Proof of installation by a workshop is required. No warranty for parts opened, modified or damaged by wrong installation.
Prices vary with stock and part condition. Final price via WhatsApp.
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