Mercedes-Benz 6-Pin Central Locking & Tail Light Wire Harness Connector – OEM 1-929149-1 / A0375453528 | Female

The OEM 1-929149-1 / A0375453528 is a 6-pin female connector used in Mercedes-Benz central locking and tail light assembly harnesses. The TE Connectivity part number 1-929149-1 and Mercedes-Benz part number A0375453528 (also listed as A 037 545 35 28) refer to the same connector. The 6-pin configuration integrates door lock actuator motor, position switch, and tail light circuits in a single connector. Available bare or with 15cm pre-wired leads.

Key Specifications

• OEM Part Numbers: 1-929149-1 (TE Connectivity) / A0375453528 (Mercedes-Benz)
• Pin count: 6-pin
• Gender: Female
• Housing material: Nylon (PA66)
• Available as: Bare connector or 15cm pre-wired leads
• Application: Central locking actuator, tail light assembly harness
• Compatible brands: Mercedes-Benz

6-Pin Circuit Assignment – Central Locking Application

• Pin 1 (MTR+): Door lock motor positive (lock direction)
• Pin 2 (MTR−): Door lock motor negative (unlock direction)
• Pin 3 (SW1): Lock position switch signal
• Pin 4 (SW2): Unlock position switch signal
• Pin 5 (PWR): Actuator power supply
• Pin 6 (GND): Actuator ground

6-Pin Circuit Assignment – Tail Light Application

• Pin 1: Stop light circuit
• Pin 2: Turn signal circuit
• Pin 3: Reverse light circuit
• Pin 4: Tail / position light circuit
• Pin 5: Rear fog light circuit
• Pin 6: Ground

Compatible Mercedes-Benz Models

• C-Class W204 (2007–2014): Central locking and tail light harness
• E-Class W212 (2009–2016): Central locking and tail light harness
• GLK X204 (2008–2015): Central locking harness
• SLK R172 (2011–2016): Body electrical harness

Common Fault Symptoms

• Central locking not working on one door (motor circuit pins corroded)
• Door lock position not detected (switch signal pins affected)
• Tail light function failure (stop, turn, or reverse light not working)
• B-codes for door module or tail light circuit on Mercedes XENTRY

Frequently Asked Questions

Q: How do I find the correct Mercedes-Benz part number for my vehicle?
A: Use the Mercedes-Benz Electronic Parts Catalog (EPC) with your VIN to confirm the exact part number for your specific model year and body variant. The part number A0375453528 is stamped on the original connector housing.

Q: Are terminals included?
A: Yes, terminals are included with all variants.