Mercedes-Benz 2-Pin Daytime Running Light Connector – OEM 3-929080-5 / A0245459926
Mercedes-Benz 2-Pin Daytime Running Light Connector – OEM A0245459926 / 3-929080-5
This 2-pin connector serves Mercedes-Benz daytime running light (DRL) and position light harnesses. Cross-references OEM part numbers A0245459926, A2215450228, 3-929080-5, and 3-1355470-1. Available bare or with 15cm pre-wired leads for direct splice-in installation.
OEM Part Number Cross-Reference
| OEM Number | Format |
|---|---|
| A0245459926 | Mercedes-Benz short format |
| A 02 45 459 926 | Mercedes-Benz spaced format |
| A2215450228 | Mercedes-Benz alternate |
| A 22 15 450 228 | Mercedes-Benz spaced format |
| 3-929080-5 | TE Connectivity / AMP connector series |
| 3-1355470-1 | TE Connectivity alternate |
Circuit Function
| Pin | Function | Failure Symptom if Corroded |
|---|---|---|
| 1 | DRL/position light power (+12V switched) | DRL not illuminating, position light out |
| 2 | Ground / chassis earth | DRL flickering, intermittent operation |
Key Specifications
| Attribute | Detail |
|---|---|
| Pin Count | 2-Pin |
| OEM Part Numbers | A0245459926 / 3-929080-5 / A2215450228 / 3-1355470-1 |
| Housing Material | Nylon (PA66) |
| Wire Option | Bare connector / 15cm pre-wired leads |
| Application | Daytime running light (DRL), position light harness |
| Compatible Brands | Mercedes-Benz |
Why Mercedes-Benz DRL Connectors Fail
Mercedes-Benz DRL connectors are mounted in the front bumper area, directly exposed to road spray, salt, and moisture ingress through the headlight housing seal. The 2-pin DRL connector carries switched power and ground for LED or halogen DRL modules. On W204 and W212 platforms, moisture tracking along the DRL wiring into the connector causes terminal oxidation, producing intermittent DRL faults that are logged by the SAM (Signal Acquisition Module) as lighting circuit errors. The connector is the most common cause of DRL faults before the DRL module itself fails.
Compatible Applications
- Mercedes-Benz C-Class W204 (2007–2014) – Daytime running light harness
- Mercedes-Benz E-Class W212 (2009–2016) – Position light / DRL connector
- Mercedes-Benz S-Class W221 – Front lighting harness
- TE Connectivity 3-929080-5 / 3-1355470-1 series applications
Frequently Asked Questions
Q: What fault codes indicate a failed DRL connector on Mercedes-Benz?
A: The SAM module logs lighting circuit faults for the affected DRL circuit. Use XENTRY/DAS or a compatible Mercedes-Benz scanner to read SAM fault codes. Intermittent codes that clear after wiggling the DRL harness confirm a connector fault.
Q: Are terminals included?
A: Yes, terminals are included with all variants.
- Standard Shipping: 7-15 business days worldwide
- Express Shipping: 3-7 business days (UPS / FedEx)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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