SD Connect MB Star C4 is the best diagnostic and programming tool for Mercedes Benz.Star Diagnosis MB Star C4 works well with cars and trucks .OBD2rpeair.com share you solution of SD Connect MB Star C4 Battery No Power Error.
How to Solved SD Connect MB Star C4 Battery No Power Error
Step 1: Disassemble the obd2repair.com MB Star SD Connect C4 main unit. Slide PCB out a little bit, from the connector side, so you can see the units buttons wiring. Carefully pry the lock out & up, after that you can pull the wiring and PCB out
Step 2： Then MB Star C4 Main PCB screws, Carefully wiggle the PCB off from another, it might be pretty tight, so carefully, side from side!
Step 3：Disconnect the MB Star C4 LAN cable, carefully, pretty easy to break the small clip
Step 4: Then you can disconnect the obd2repair.com MB Star C4 multiplexer Connector PCB, very carefully, might be really thight! Again slowly from both sides. You now have access to the small Fuses.
You can use multi-meter to see if they work, usually the MB Star C4 LAN connector side 5A is burnt. So desolder the broken one, install new & enjoy your powering up mux again!
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