ml320 cdi inlet port shut off motor
Discussion
Hi a mate of mine has a ml320cdi its the w164 later model with the V6 engine
it has gone into limp mode so has no power like the turbo isnt working i plugged it into a snap-on diagnostics reader and it came up with "inlet port shut off motor M55"
i have searched on the internet and cant find any info on this as it seems to be a problem on the earlier engines and this is the later v6 engine
it is booked in at an independant merc specialistnext week but was wondering if anybody else had any info,ive heard lots of stories about having to have new manifolds etc but im sure its for the earlier engines
it has gone into limp mode so has no power like the turbo isnt working i plugged it into a snap-on diagnostics reader and it came up with "inlet port shut off motor M55"
i have searched on the internet and cant find any info on this as it seems to be a problem on the earlier engines and this is the later v6 engine
it is booked in at an independant merc specialistnext week but was wondering if anybody else had any info,ive heard lots of stories about having to have new manifolds etc but im sure its for the earlier engines
It is an issue with this powerlant we have the same engine in our '06 W203 C Class. Same thing happened to us twice !! Mercedes wanted about £700 inc. labour to replace.
We kicked up a fuss as the car has an FSH and was under warranty ended up paying about £200. Wasn't a good experience and almost sold the car but touch wood no issues for a while.
May be a good idea to visit the local dealer and make some noise.
We kicked up a fuss as the car has an FSH and was under warranty ended up paying about £200. Wasn't a good experience and almost sold the car but touch wood no issues for a while.
May be a good idea to visit the local dealer and make some noise.
Edited by amokwa on Wednesday 2nd February 09:28
this happened to my fathers e320 cdi(v6) also,the local mb dealer tried to charge £1200 for repair but luckily the dealer he brought it from picked up the tab.
i believe the new motor is part of the inlet manifold and cannot be brought seperatley from mb.
not sure if anyone knows of a source of the motor's only.
i believe the new motor is part of the inlet manifold and cannot be brought seperatley from mb.
not sure if anyone knows of a source of the motor's only.
The motor (M55) can be bought seperately, however often the cause of the problem is usually the fact that the linkages have seized in the inlet manifolds and therefore burning the motor out.
The only reason you would need to replace the inlet manifolds is if you break the linkages as these only come complete with each manifold. The linkages and port shut-offs can usually be freed off by removing the carbon build up, but they are fragile.
A fairly in depth job, but i dont know the extent of your mechanical expertees. Certainly not one for a novice to undertake.(Not meaning to sound condescending).
The only reason you would need to replace the inlet manifolds is if you break the linkages as these only come complete with each manifold. The linkages and port shut-offs can usually be freed off by removing the carbon build up, but they are fragile.
A fairly in depth job, but i dont know the extent of your mechanical expertees. Certainly not one for a novice to undertake.(Not meaning to sound condescending).
Cheers for the help (alot more helpfull than another mb forum!!)
i can do most things mechanically but looking under the bonnet of this ml just looses me!! i cant even see the inlet manifold at the mo
like i said the car is going in to an independant specialist monday but i now know what to expect (probably a big bill for my mate)
i can do most things mechanically but looking under the bonnet of this ml just looses me!! i cant even see the inlet manifold at the mo
like i said the car is going in to an independant specialist monday but i now know what to expect (probably a big bill for my mate)
Its basically in the very centre of the engine bay in between each bank directly under the fuel filter.
Various components have to be removed to access it, charge pipes, turbo, fuel filter and housing, ect. A bit in depth to describe on a thread. The trickiest bit is attaching the linkages to the motor.
Its like everything - the more you do, the easier it is. These are pretty common. I'm pretty sure there is a fuse for it, cant remember where but do check. Probably just blow again if the motor is screwed but worth a punt!
Various components have to be removed to access it, charge pipes, turbo, fuel filter and housing, ect. A bit in depth to describe on a thread. The trickiest bit is attaching the linkages to the motor.
Its like everything - the more you do, the easier it is. These are pretty common. I'm pretty sure there is a fuse for it, cant remember where but do check. Probably just blow again if the motor is screwed but worth a punt!
Yeah, theres a rear SAM unit in the boot on the o/s behind a removable trim. Also a smaller fuse box at the end of the dash board-think its n/s but could be o/s just pull off the plastic trim on the end of the dash.
However most, if not all engine electronics and fuses will be situated in the fuse box under the bonnet which you have checked. As I said worth a check.
However most, if not all engine electronics and fuses will be situated in the fuse box under the bonnet which you have checked. As I said worth a check.
would it be worth trying this before commiting to a big expense?
http://cgi.ebay.co.uk/EGR-valve-Air-Intake-cleaner...
i have used it on my car when my fault code reader showed up a faulty egr and went into limp mode.it did make a difference.
worth a try for the money.
http://cgi.ebay.co.uk/EGR-valve-Air-Intake-cleaner...
i have used it on my car when my fault code reader showed up a faulty egr and went into limp mode.it did make a difference.
worth a try for the money.
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