billakoss

hi all
i have w163 ml400
when ignition to position 1 or 2 , srs and airbag lights no come on , radio , wipers not working , when i driving some times srs and airbag light come on and off , then all working fine , if stop the engine and start again have same problem

i have change battery with new , clear all grounds , when srs and airbag light come when ignition on , i have 12 volt to circuit15 , otherside i have 3 or 3.5volt max
i have change fuse and relay without find solution , i put also and emulator in seat passenger.

on diagnostic i take error B1315 with short or open circuit to postitive *without emulator and if put the emulator i take short or open circuit to ground, if remove and emulator and paseger seat sensor on circuit 15 i take save voltage 3v

any ideas?
sorry for my bad english
many thanks

khomer2

Welcome billakoss,

Check your wiring connector under the front passenger seat.
If it's connected fine, most likely you need a replacement seat sensor.

ALSO, please update your user cp info.

Greg Ol

Did You solve the problem? I have exacly the same, and have no idea how to fix IT

Maj. Dundee

Update your profile using the above instructions to include the year and where you live.