EA is not an unambigous abbreviation. In various MB literature it can mean engine actuator, electrohydraulic actuator, electronic accelerator, etc. EA / electronic accelerator isn't a single part, it's a system including the EA actuator and the EA control unit. You have the part number for the actuator from post #16. The part number for the control unit is 124 545 01 32. But still it's hard to know how Brabus may have altered your car.

Ok, I Acturely think i got one CD with some W124 manual and technial materials, ill go check.

But one thing i still donīt get, how can I have the ASR lamp lit up right from the start of the car, and no error codes to read out on #14 I Acturely got 17 flash on pin #8 the DI module. that indicates the Crankshaft position sensor faulty.
But it goes away when the car is started, and i think that is normal as the computer canīt see the positions sensor working with only the ignition On and engine Off.
But still strange that i donīt have any codes on pin #14 i think.

If you have CD #1, that is where the ASR/EA schemitics will be found.
As far as codes at 14...My suspect is the ASR is not being powered up so it will have no ASR codes b/c it can not search for them if that system has no power/is not activated.
An ASR lamp should go out after start ..if it does not , then it is not ON...so your wheels spin. Your problem is you have NO ASR Activation.
So, that is why I was checking ASR feed circuit chain.
If one see EA on a schematic.. EA means that schematic is for a system with Electronic Accelerator.

An example of such would be---Schematic 124.0/.2.. ABS System - with/ASR/EA .

Reason being you can have an ABS schematic WITHOUT an EA system.
Your chassis HAS an EA system.

__________________
A Dalton

Your right it can means a lot of things, some times itīs also called the ETA but that is in my opinion the later models setup, where it all is sitting in the throtle body.

If I should piont it out or what you call it, then the system on mine is working like this:

The gas pedal is by wire, the wire goes to the rods that goes and pulls the speed position sensor(0005401817 ), the position of the gas pedal is seen/messured from the speed position sensor and then it sent the signal to the VDO Controle module metal box located behind the battery as you descriebed (1245450132).
The Controle box see the signal and then send this information to the "Final Controle element" or the Electronic Actuator if you will, the part number i miss...
From the Elektronic Actuator/Final Controle Element (wich is the electrical little motor) There is a Rod going up to the thing you posted in post #16 and that is not the EA that is the Throtle body switch/Throtle housing (0021402353 )

You can say that in a M104.980 this 4 speed/gas responding elements is sitting 4 differents places in the engine compartment.
1 Speed position sensor
2 Controle module, metal VDO box (behind battery)
3 Electronic Actuator/Final Controle element/ the thing that electrical adjust the throtle.
4 Throtle body Switch/Housing.

On the later model like the 3.2 M104 the ETA is one thing where you got my numbers 1, 3 and 4 in one unit instead of 3 units sitting 3 different places.
Until now we got all the part numbers on the parts 1, 2 and 4, but we are still missing the part number on number 3 (the EA)

Correct me if Iīm wrong but I Think you got the idea of the electric device that pulls the trotle(EA) is located inside the throtle body, that is not the case on the early ASR system, it sits another place under the inlet manifold and pulls the throtle body by the Rod with number 59 in my previuos picture.

I hope Im not the one that misunderstod something here?

Best regards
BRABUS

your right about the ASR lamp is lit up all the time and the system is not working = Spinning tires.
I would expect that to generate a fault code, but as you say, the faulty part needs to be feed with power to do so.

I will check later on the cornector where the plug from the EA goes to if there is power to bee messured 12 volt i guess.
The CD i got is temperaly gone in the mess hope i find it later.


I got the impresion that the EA was the electric device that pulls the throtle to rev the engine, but I see now that it might just be a general Headline for a complete system.
But what are the part then called that eletronic pulls the throtle???

Send me a PM w/email and I will jpg the EA to you and then you will know by the connectors and wiring to the 2 units if this is in fact the same system.
This will also give you the inner modules circuits/electronics for testing each section w/ohm meter.

My PM is stricly for data copy , such as schematic transfers.
I am on 8 different Forums and have no time for Private Diagnostics, so please adhere to this.

__________________
A Dalton

Hi again.

That is deffently what i needed great stuff to do diagnostic with.
I am an Elektronic technician so it is great to study.

But what i was more than impressed of,I was siting and seaching for some ASR on Google and I found a site that descriebes all the mercedes safety systems as the ABC, ABS, ASR, ASD, ESP, BAS and more, and it gives you all information about the system in box diagrams and technical explanations with part numbers and pictures, even small videos of haw and where the different stuff is located in different engine types and how to make diagnostic and test about the system and maintain it.

But as my laptop went dry for power and suddently powered down, I didenīt reach to save the site!?!?! and now I canīt find it again.
It is for sure realy realy good DIY stuff also for non technicians.

arhhhh haw can I find it again,,, anyone knows the site am talkng about?

anyway i havenīt got the time to day for a quick test or look at the car, but I will be back when i sort this ASR problem out, and find the very superior mercedes safety site again.
That site should be somewhere on this forum for everyone to find that wants great and detailed information about all the systems.

The schematic I sent was to verify if that is in fact the system you have..There are 4 pages to that system, but I did not want to go to the trouble of scanning the remaining sections if it was not apllicable to your chassis.


However , if you find that site you mention, just post that instead

__________________
A Dalton

Hi Dalton.

I finaly got the time to messure the data around the circuits and controls.
As suspected my ("R25" Elektronic Acelerator Reference Potentiometer) Unit is giving the data as it should.

The Safety switch opretaes normal
The potentiometer is messuering like it should also when i pull in the lever at the (R25)
I got the power and ground circuit confirmed also.
So that is great, because as mentioned the unit is bran new.

But my ("M16/1" Elektronic Accelerator Actuator) is the one i got suspected.
I messured the safety switch to be open witc it is suposed to be at idle/engine off.
The inside Elektric motor is normaly turnable with the control linkage that is attached to the unit, when the Accelerator pedal lever is not pressed.
But my linkage/Electric motor is dead stuck, i canīt move it at all !?!?

My friend who has the same W124 with the same engine and ASR with CC system is easy turned by finger at al time, unless the Electric motor is activated by the system.

So this makes my troble shoulding to an end for now, because even with the plugs pulled out, mine is still unturnable.
I guess the electric motor is burned stressed or shorted to dead.

But my elektric engine started out only to let me down some times and not all the time, and by recircling the ignition i could make the ASR lamp go away.

So the error was comming more and more frekvently, and at last it went permanent.
This tells me that it couldnīt be an electric problem, but something that was on the way to wear out the more as it was used.

My potentiometer also messured a litle wired and not stady as it should when the lever is stady.
I got 30 Kohm from pin 2-3 (the lever to the start of the potentiometer)and
20 Kohm from pin 1-3 (the to ends of the potmeter)
15,8 Kohm from pin 1-2(the lever to the end of the potentiometer, the levers normal position when engine off)
The voltage suply was messured to be ok also.

So i guess i will go do the dis attachedment job, but I have no idea on how to get there under the inlet manifold, wich I realy donīt wanīt to take of.

Could you sent me the other 3 of the diagrams you got Dalton?

Im realy happy for the help i got.

Here are the gas regulations components as it is placed in my engine M104
http://qclt.com/train/w202/w202/tractcontrol/asr_loccomp.htm
I don+t know why the M16/1 is not shown in the picture nor the list, but it is deffently there in my engine compartment
sitting in the right end of the linkage rod with the number 21 in the picture, and that linkage rod is going down under the inlet manifold where my M16/1 is located (Electronic accelerator actuator) damn hard to remove

by the way i found the site, and it is here
http://qclt.com/train/w202/w202/tractcontrol/asr.htm

Best regards
BRABUS

To day I went to Mercedes in Roskilde here in Denmark.

There where a realy great guy that toke an horner into finding the piece i needed even knowing that it was my only quest (to find the part number and price) and not acturey bying it at this time at least.

Like me and all the other mecanics I have asked for help to find it, they all just came up with the same answer it must be the R25 you are looking for or the throtle body switch.
But finaly we found it in the system drawings under electric euquipment
And not under the engine menu.
there are several models, for different engines and if its got CC and/or the ASR system.
But mine got both the ASR and the CC so i guess this would be the most expensive model to the M104.980 Engine.

The part number for this is 007 545 44 32
The price was just as high as the R25 and then some.
1786 US $

The unit is shown here at the rusian site and is numbered 123:

http://www.detali.ru/cat/oem_mb2.asp?TP=1&F=124031&M=104%2E980&GA=722501&VIN=%2A&CT=F&cat=15S&SID=54&SGR=690&SGN=20

My next step is to demount the old one and then look inside it and see what is going wrong
Ill keep an update here.

Ok, long time now...

But I went on the Ebay.de and found a used unit for only 90$ so that was deffently cheaper than a bran new one.

I got it home and was realy worried that it might be another used "dead" one sold on ebay, but it was acturely a good one

I pluged it in the socket at the left side in the engine compartment and my ASR light turn off YES... so that was the final clarification that I needed.
The error was the Final control element and only that.
When i pushed the throtle, the final control element turned itīs linkage where the Rod will be attached.

Now I have to demount the inlet manifold to get there as my next job.

The car is still running great and I think itīs very wrong what everybody tells about the brabus 3.6 engines around diffenret forums.
The engine is god and dont eat head gaskets or wear out because of to big bore.
I drive my car the way it is ment to be drivin with such an engine and then some and I have almost never any problems regarding the engine.
Only thing is the radiator fan clutch that I changed and the Thermostat for the colant.

I wish everybody could try how well the brabus 3.6-24 is acturely running compared to the stock engine.
Itīs a true racing machine built to last.
I donīt know about the 3.6 M103 but it should be the same story and I belive that most people just repair or rebiult them into to problems becuase of lack in prober repair/rebiult jobs.

Did you ever get the ETA switched out? I might have to do the same thing. I don't want to have to remove the intake manifold again. I had to do that once to clean out the EGR tube. It is a huge pain. Do you think you can get to the ETA from underneath?