hi i have mercedes sl500(230475), in this i am getting problem in left side SAM control unit. when i diagnos it, it shown can communication problem, then i put new one in that the problem is when we switch off the car then also this unit take voltage from battery and battery get low if we not use for 2 days.In another SAM control module it automatically start light and AC when we ignite. please send me the solution related to this.
Regards Burhan
Regards Burhan