For Mercedes-Benz 4RA 007 793-10: Cooling System Repair
This 10A, 4-pin automotive relay can resolve critical cooling fan problems in Mercedes-Benz vehicles.
Can solve the following problems:
Fault phenomenon: After the engine is turned off, the cooling fan continues to run at high speed
Root cause: Relay contacts are stuck and the circuit is locked
Solution: Replace the original specification relay and restore the intelligent temperature control
✅ 4-pin terminal confirmation:
3(30)=power input, 2(85)=coil negative, 1(86)=coil positive, 5(87)=load output
✅ Physical structure:
28mm x 25mm square design, gray PA66 housing (UL94 V-0 flame retardant)
✅ Electrical parameters:
12V DC | Coil resistance: 80Ω±10% | Maximum switching current: 10A
Applicable models:
Compatible vehicles Manufacturing year Fuse box slot
2010-2014 Mercedes C300 (W204) Location B6/B8
2009-2012 Mercedes E350 (W212) Location K40
Package Contents:
2 relays (marking: 4RA 007 793-10)