M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Electrical question.

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Old Jul 1, 2020 | 10:04 PM
  #1  
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01 ML55AMG 04 ML500 03 ML350 08 ML63AMG
Electrical question.

Hi, Got 08 ML63AMG after scanning got this code Picture attached. Anyone can point me in the right direction, where to look for a short? Thank you in advance

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ATT00001 (6).txt (23 Bytes, 110 views)
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Old Jul 2, 2020 | 10:32 AM
  #2  
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Do you have problem, if so what is it or you just checked for codes?

Just delete the code and see if it returns.
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Old Jul 2, 2020 | 12:56 PM
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Corrosion or water in rear SAM.
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Old Jul 5, 2020 | 10:49 PM
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From: Cleveland OHIO
01 ML55AMG 04 ML500 03 ML350 08 ML63AMG
Originally Posted by E55Greasemonkey
Corrosion or water in rear SAM.
No water or corrosion. took sam out opened it up it was clean no water ever been there. Plus i put my Sam up right behind the fuse box, to prevent water damage in the future. maybe other components there are coming from sam are compromised?!
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Old Jul 5, 2020 | 11:00 PM
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01 ML55AMG 04 ML500 03 ML350 08 ML63AMG
Originally Posted by Maj. Dundee
Do you have problem, if so what is it or you just checked for codes?

Just delete the code and see if it returns.
Yes, deleted the codes and they still coming back.
Got problem with my keyless go. Driver door unlocks with the hand but doesn't lock with a button on the handle, rear doesn't lock or unlock. Passenger side both doors lock unlock no problems. keyfob locks and unlocks everything no problem
Its definitely not the handle itself because i swapped it up with right side, left side worked on right side but right side didn't work. so handle is fine problem must be somewhere else, not in the handle.
Rear tailgate doesn't go up or down on its own.
Rear SAM nice and dry same with the module by the pump at the bottom of the trunk is nice and clean i open them up and made sure no water damage.

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Old Jul 6, 2020 | 10:17 AM
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In the future when you post codes you must tell us what module the codes were stored in.

You said "Driver door unlocks with the hand but doesn't lock". Why don't you have a code for that but instead you have a code for the rear door?






For code 9095, have you removed relay KR in the Load Compartment Fuse Box? Remove KR and scrub all legs with steel wool. Then insert and remove relay 5 times and see if that helps.

For code 9111, there are procedures to check the handle but you would need Star to actuate it.

For code 9502 you will have to check the voltage at the Rear-end Door Closing Module connector #2, wires 3 Brn. and 6 Red.

Post the results, YES or NO.
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Relay KR in F4.pdf (144.5 KB, 390 views)
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Old Jul 6, 2020 | 12:15 PM
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How old are the main and aux batteries?
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Old Jul 7, 2020 | 09:32 PM
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01 ML55AMG 04 ML500 03 ML350 08 ML63AMG
Originally Posted by chassis
How old are the main and aux batteries?
Both brand new. Changed them about 3 months a go.
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Old Jul 7, 2020 | 10:26 PM
  #9  
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01 ML55AMG 04 ML500 03 ML350 08 ML63AMG
Originally Posted by Maj. Dundee
In the future when you post codes you must tell us what module the codes were stored in.

You said "Driver door unlocks with the hand but doesn't lock". Why don't you have a code for that but instead you have a code for the rear door?






For code 9095, have you removed relay KR in the Load Compartment Fuse Box? Remove KR and scrub all legs with steel wool. Then insert and remove relay 5 times and see if that helps.

For code 9111, there are procedures to check the handle but you would need Star to actuate it.

For code 9502 you will have to check the voltage at the Rear-end Door Closing Module connector #2, wires 3 Brn. and 6 Red.

Post the results, YES or NO.
Code for rear left handle i got out of the Keyless go module. No code for front driver door handle at all weird! any suggestions?

Check the voltage at the rear door module. No voltage. When i press open/close button on the rear gate i get 08.48 V and i notice almost every time i open the rear gate or try to press that button i hear like a weak whistling sound from somewhere, cant figure out from where.

Code for 9095 got out of rear SAM
Removed KR relays replaced them with 2 new ones cleaned the legs with fine sandpaper inserted them in and out about 5 times. Cleared the code, looks like its fixed Thank you!

After clearing all the codes i scanned it again after driving for a day i got 2 codes.
9030 The switch Raise and lower tilting/sliding roof >> from HBF Rear Control Panel Module
9502 connection to component B24/16 (Rear-end door opening angle recognition sensor) is interrupted or has a short circuit >>> from REDC Rear-end door closing module.
Please help, Thank you!!
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Old Jul 8, 2020 | 06:55 AM
  #10  
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Code 9502, did you follow the instructions to a tee? The voltage you posted in is the correct range, 6-10 v. so the answer is YES.

Follow the instructions for YES and post results, YES or NO.

If the answer is YES, follow the instructions.

If the answer is NO follow the instructions.





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Old Jul 11, 2020 | 11:17 PM
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01 ML55AMG 04 ML500 03 ML350 08 ML63AMG
Originally Posted by Maj. Dundee
Code 9502, did you follow the instructions to a tee? The voltage you posted in is the correct range, 6-10 v. so the answer is YES.

Follow the instructions for YES and post results, YES or NO.

If the answer is YES, follow the instructions.

If the answer is NO follow the instructions.




Looks like Yes to both Voltage and OHMS I get 08.46 volts and 4.497 OHMS does that look right? i looked around for broken wires or corrosion but don't see anything.
Checked sensors on each side i get about 3.9 OHMS. Is that about right?
What i did notice that the module was kinda warm, don't know if its normal or not. Another thing i noticed that the module that in the car now have a different part# than the original to the car when i got the car.
Car came with part # A1648701126 replacement i got, that is in the car right now part # is A1648203185 would that make a difference? Don't know how i got module with diff part#
Should i get the right one and see what happens?
What is B24/16, is that the sensors on each side?

Last edited by IgorE350; Jul 11, 2020 at 11:35 PM.
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Old Jul 12, 2020 | 11:59 AM
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What is your full vin# ?
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Old Jul 12, 2020 | 08:13 PM
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01 ML55AMG 04 ML500 03 ML350 08 ML63AMG
Originally Posted by Maj. Dundee
What is your full vin# ?
4JGBB77E38A353315
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Old Jul 13, 2020 | 05:12 AM
  #14  
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Originally Posted by IgorE350
I am away and will be back in the afternoon.
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Old Jul 13, 2020 | 12:55 PM
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According to your vin# you should the 1126 module because of your chassis # (vin#).

Also included is a copy of your DATA Card with all the options.


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Old Jul 14, 2020 | 12:24 AM
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01 ML55AMG 04 ML500 03 ML350 08 ML63AMG
Originally Posted by Maj. Dundee
According to your vin# you should the 1126 module because of your chassis # (vin#).

Also included is a copy of your DATA Card with all the options.

Yeah i had a feeling that it might be the reason it doesn't work. looking for one now with that part number. I guess ill find out when i get it.
Than you for all your help and the information,I really appreciate it!!
When i get the replacement with the right # ill le you know if it fixed the problem or not. Hoping it will
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Old Jul 18, 2020 | 12:38 AM
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Got the module today, same codes come up and liftgate doesnt work. Must be a bad connection somewhere or a short in the wires. this problem kicking my butt.
Front SAM no codes, rear SAM no codes!!!
What is component B24/16 rear end door sensors? can anyone tell me? and where are they located? thank you
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Old Jul 18, 2020 | 02:15 AM
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The Rear End Door has its own DTC codes. How did you come to get this component number?



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Old Jul 19, 2020 | 05:44 PM
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01 ML55AMG 04 ML500 03 ML350 08 ML63AMG
Originally Posted by Maj. Dundee
The Rear End Door has its own DTC codes. How did you come to get this component number?


Thank you so much for info at least i know what to look for ill check all the wires going that way.
Got it off my scanner ill attach a picture

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Old Nov 2, 2025 | 07:46 PM
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Originally Posted by IgorE350
Thank you so much for info at least i know what to look for ill check all the wires going that way.
Got it off my scanner ill attach a picture
Sorry to bring up an old post.
Major Dundee no longer with us! RIP.
Would you like to share what happened to this problem. I have exactly the same issue with exact same code. I have a 2008 ML350. It happened after I changed the faulty hydraulic pump. The liftgate operates normaly except on function. The key fob can close the liftgate but just cannot open it. It opens and closes with the switch of tailgate and the switch on the driver door. It just doesn't open with fob. The hydraulic oil is filled to the right level. Thank you for your time.
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