Charging System Diagnosis for Auxiliary Battery , Mercedes (W164)
This is one issue for many Mercedes owners, CLS, S class, ML Class, GL Class, if the charging for the auxiliary battery stop working.
Some cars like CLS and Eclass have a an auxiliary battery relay but not W164, X164...
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video Contents:
00:00 Intro
00:27 Auxiliary battery Functions
00:52 W164 All the relays
01:12 Location of the Auxiliary battery Relay
01:17 Charging system Diagnosis
06:57 G1/7 Not charging solution