Ремонт и востоковедение работоспособность батареи на Mercedes, EQA, EQB, EQC, EQE, EQS

P1D2800
the frequency counter “switching cycles of contactor” of the hv battery module has reached its finale value

POAA400 The contact 'Negative terminal' of contactor A in the high-voltage battery is jammed closed.

P1C8000

Part number
A 177 900 52 08
A 222 900 53 21
A 222 900 59 21
A 222 900 01 22
A 789 900 06 00
A 789 901 42 00
A 293********00
A 293********00
A 243 900 97 00
A 243 900 95 00