AAM replacement

orbitalegg

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Hi Guys, I am having issues with my central locking (W163 1998), it worked intermittently and has in the past 2 day given up completely. I am able to use the centre console button to lock and unlock the car and I can open the car with the key.

I have put new batteries in the fob and having tried all the suggestions I could find on this forum I have come to the conclusion that it is the aam.

So the questions are:
1. Has anyone successfully replaced the AAM in a 98 ML with a used part?
2. If not, what is the best price you have found for a new unit?
 
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orbitalegg

orbitalegg

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Thanks jibcl500 Had it on STAR at HertsMerx and an aam fault was flagged I believe. what I really need to know is if I can use a second hand module as that would save me a bundle.
 

jibcl500

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Thanks jibcl500 Had it on STAR at HertsMerx and an aam fault was flagged I believe. what I really need to know is if I can use a second hand module as that would save me a bundle.

Ive changed the EAM which I bought used off ebay, so the same might work with the AAM but there might be some coding through star required.

The AAM plugs into the bottom of the front fuse box in the engine compartment. Make sure if you buy a used AMM the part number is identical.

jib
 

jibcl500

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I think the part number is 1635454732 but check it with your part number.

jib
 
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orbitalegg

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Is there a way to check the part number without taking off the fusebox? I don't have the correct torx driver and the aam is apparently under the main fuse box in the engine bay.
 

television

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The problem here is there are a few, you should be able to work it out from the last 6 numbers of your VIN

If you pop up your VIN number maybe I can check for sure.

A 163 545 26 32 CONTROL UNIT ALL ACTIVITY MODUL 2; A 145273 X 707756 EXCEPT CODE 809 ALSO INSTALLED IN VEHICLE TO A 145272, X 707755 WITH CODE 800 STATE IDENT NO. WHEN ORDERING 001

A 163 545 27 32 CONTROL UNIT ALL ACTIVITY MODUL 2; A 145273 X 707756 EXCEPT CODE 809 ALSO INSTALLED IN VEHICLE TO A 145272, X 707755 WITH CODE 800 001

A 163 545 25 32 CONTROL UNIT ALL ACTIVITY MODUL2; A 145273 X 707756 EXCEPT CODE 809 ALSO INSTALLED IN VEHICLE TO A 145272, X 707755 WITH CODE 800 001

A 163 545 29 32 CONTROL UNIT ; EXHAUST STOCK OF OLD PART NUMBER FIRST UP TO IDENT NO.: A 057716; Replaced By: A1635453932 -
A 163 545 39 32 CONTROL UNIT ALL ACTIVITY MODUL; ORDER ADDITIONALLY ALSO: A 163 760 27 06 STATE IDENT NO. WHEN ORDERING
 
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orbitalegg

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The problem here is there are a few, you should be able to work it out from the last 6 numbers of your VIN

If you pop up your VIN number maybe I can check for sure.


Thanks Malcolm its WDC1631542A066282
 

television

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Still not easy but I make it this A163 545 46 42, something odd is where is it says order also A163 760 26 06, this must be an additional part that is on yours
 
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orbitalegg

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Thanks Television, I will check out both parts.
 
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orbitalegg

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:confused: even more confused now, cannot find any of those part numbers. found this though http://ebay.eu/1FNL7bG

Looks like I have to remove the unit and check. found this on the Russian site and it just left me baffled.

77 A 163 545 06 32 CONTROLLER
Replaced_By: A 163 545 36 32 [018]
Code: - (494/498)
-
77 A 163 545 36 32 CONTROLLER
Replaced_By: A 163 545 46 32 [003], [011], [891]
Code: - (494/498)
-
77 A 163 545 46 32 CONTROL
ALL ACTIVITY MODUL [003] [011] [622] [891]
Code: - (494/498)
001
77 A 163 545 25 32 CONTROL
ALL ACTIVITY MODUL2 [800]
Code: - (494/498)
001
77 A 163 545 29 32 CONTROLLER
Replaced_By: A 163 545 39 32 [018]
Code: 817

-
77 A 163 545 39 32 CONTROL
ALL ACTIVITY MODUL [028], [622]
Code: 817
001
 

television

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It was me and a typo its A163 545 46 32 so sorry. :(
 
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orbitalegg

orbitalegg

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It was me and a typo its A163 545 46 32 so sorry. :(

I'll let it slide this time.:) seriously though Thanks a bunch, found one on eBay that I may buy after I speak to the guys at Hertsmerx to see if they can code it to my car.
 

television

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I'll let it slide this time.:) seriously though Thanks a bunch, found one on eBay that I may buy after I speak to the guys at Hertsmerx to see if they can code it to my car.

Many ML's came with the similar spec, I do not see why not
 

jibcl500

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Many ML's came with the similar spec, I do not see why not

Agree ML is well speced to start with the only option would be sunroof and xenons later in the range.

If you remove the screws holding the front fuse box you can lift it up possibly enough to see the part number on the AAM, should take 5 mins.

jib
 
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orbitalegg

orbitalegg

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Without pandering or massaging ego's I must say this forum in invaluable and the wealth of knowledge is astounding. one of my fears has always been taking something apart and not being able to replace it or worse still damaging it.

Anyway encouraged by Jibcl500 and Television I removed the fuse box and lifted it up high enough to see the part number.:D
3932
thanks guys
 

television

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I wonder where the 39 32 came from, could it have been replaced at some time
 

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