4239 Mercedes Fault Code :
Read the description of 4239 in MR and the engine lights up for MR Engine Control code, there are some possible causes for it.
Sensor bank 1 in control unit MR has a short circuit.
Read the description of 4239 in MR and the engine lights up for MR Engine Control code, there are some possible causes for it.
Sensor bank 1 in control unit MR has a short circuit.
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