Tail gate not closing
Thread Starter
Newbie
Joined: Oct 2010
Posts: 5
Likes: 0
From: Cape Town South Africa
ML 350 W164
Tail gate not closing
Good day, I bought a second hand 2007 ML 350 and found the automatic tailgate not functioning. I found water damage at the hydraulic motor and control box. After fixing all the corroded and bad connections the hatch will open when you pull the tail gate handle but not from the button on the door or the key fob. It won't close either from any button. I have to push it closed although the function that pulls it in works. My scanner reports a "Component H4/60 (Rear end door closing warning buzzer) is not connected or has a line discontinuity. I measured between pin 7 and 3 on the control module and it reads 115 ohm unplugged harness side. I can't find the buzzer and want to know if the buzzer can stop the function of the tail gate. There is no audible buzzer sound. Any help will be appreciated.
Member
Joined: Nov 2005
Posts: 165
Likes: 27
From: Buford, Ga
2023 EQE AMG
It's the pinch sensor I had the issue. sometimes it just gets water and it stops working.. its the black molding by the taillights that goes up towards the roofline. Atleast try that do you have a tool that can give you more detailed info? Mbstar or iCarsoft?
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2002 ML 320 & 2006 ML500
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Thread Starter
Newbie
Joined: Oct 2010
Posts: 5
Likes: 0
From: Cape Town South Africa
ML 350 W164
Yes I did. I am in an electronics industry and know how to deal with water damage. Nobody seems to answer my question or they don't know. I am of the opinion that module is faulty everything else checks out ok. I have Wis so checked the wiring.
