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  #1  
Old 11-22-2006, 01:24 PM
Pierre Louis's Avatar
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2005-2006 E320 CDI EGR valve

Mine failed at around 75,000 miles. Is this common? Has anyone had this replaced under warranty? Should there not be a 100,000 mile emissions warranty on this car? My dealer said no when it started to act up at around 60,000 miles. I had my private mechanic replace it when it failed. Should they reimburse me? Do I have a legitimate beef?

Thanks.

PL

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  #2  
Old 11-22-2006, 01:47 PM
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I can't answer your question, but how did you manage to accumulate that many miles in such a short period of time?
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  #3  
Old 11-22-2006, 01:55 PM
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Quote:
Originally Posted by thorsen View Post
I can't answer your question, but how did you manage to accumulate that many miles in such a short period of time?
Mine was the first to hit the dealer in April 2004. I do a lot of driving to work. Its a great car, but overpowered for my purposes. If it had a smaller engine, perhaps the EGR valve would not have clogged/failed. Perhaps more revs would help, but I don't rev it when the engine is cold and the rest of the trip is open highway.

PL
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  #4  
Old 11-22-2006, 07:40 PM
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The warranty length requirement on emmision equipment by federal mandate should be in your information package somewhere. If not phone another dealer or a zone office if you find your dealer will not give you a satisfactory response to a simple question at their level. You are also the proof that to expect to find a diesel with 200 k at 30 years of age is reaching a little. People buy diesels to pour the miles on them when fairly new. There are exceptions of course but buyers should be very careful. Wonder if your odometer will be cranked back at some point by someone in the future. I suspect it still happens as the dollars are there.
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  #5  
Old 11-23-2006, 12:13 AM
DR.DIESEL's Avatar
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Location: Puget Sound, Washington St.
Posts: 522
Hello,

Those EGR valves have been known to be trouble and were modified.

See the following Dealer technical Bullitin.

DTB Date: January 10, 2006
Order No.: P-B-07.16/55a
Supersedes: P-B-07.16/55 dated October 31, 2005
Group: 07
SUBJECT:
Model 211.026
Engine Performance Complaints / Check Engine Light On with Code 2511 and/or 2355
If you receive customer reports in the above model vehicles of the engine being in limp home mode with the check engine light illuminated with fault code 2511 and/or 2355 stored in the engine control unit (ECU) or
the engine is surging/hesitating/misfiring at part load with no fault codes, perform the below procedure to resolve. These may be caused by the EGR valve temporarily binding and consequently exceeding the setpoint and causing the fault code and limp mode condition; or the software version in the engine ECU (lean condition under certain RPM/load, temperature and fuel quality conditions).

To resolve, install modified EGR valve (see parts information) combined with ECU software update (available as patch 2005-10-13-0474 with DAS update 10/05 and later DAS updates without patch).
Note: It is important that the modified EGR valve is installed together with the modified engine ECU software and vise versa.

Note: After the software flash, perform SCN coding (refer to Star Tekinfo Document S-B-07.61/38g or S-B-07.00/144) and verify injector coding.

Parts Information
Qty. 1 EGR valve A646 140 19 60

I would ask your Dealer about some goodwill reimbursement or checking the Fedral 8/80 emmissions warranty for that model.
If no luck, call the CAC at 1-800-FOR-MERC and start squeaking.
The regional SPOM will be notified of your complaint and should respond.

Good luck.
DR.D
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  #6  
Old 11-23-2006, 01:01 AM
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Sounds like a lot of ifs, but I will try. As a matter of fact it was going into "limp mode" but I could still hit as high a speed as I wanted, it just wouldn't downshift. The mechanic found error codes in the transmission computer apparently the dealer didn't even look for.

The dealer should have done better. Thanks!

PL
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  #7  
Old 10-08-2008, 02:25 PM
pdx pdx is offline
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Quote:
Originally Posted by Pierre Louis View Post
Mine failed at around 75,000 miles. Is this common? Has anyone had this replaced under warranty? Should there not be a 100,000 mile emissions warranty on this car? My dealer said no when it started to act up at around 60,000 miles. I had my private mechanic replace it when it failed. Should they reimburse me? Do I have a legitimate beef?

Thanks.

PL
I am having the same issue with my 2005 CDI with 57,000 miles and am getting the same run around at the dealer. Were you able to resolve the issue with the warranty? Also did your mechanic flash your ECU as well as replace the EGR? Oh and to add to it all the dealer tells me that the 2005 CDI does not have any issue with the EGR valve and that it is probably the camshaft positioning sensor.
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  #8  
Old 10-08-2008, 02:27 PM
ForcedInduction
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Isn't there a tuner that eliminates or changes the EGR's operation to where it would never be used?
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  #9  
Old 10-08-2008, 02:33 PM
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Quote:
Originally Posted by pdx View Post
I am having the same issue with my 2005 CDI with 57,000 miles and am getting the same run around at the dealer. Were you able to resolve the issue with the warranty? Also did your mechanic flash your ECU as well as replace the EGR? Oh and to add to it all the dealer tells me that the 2005 CDI does not have any issue with the EGR valve and that it is probably the camshaft positioning sensor.
My car has 137,000 miles on it and so far no problems with the second EGR (knock on wood).

I was told that the new part was an updated one, and yes, it is not under warranty. No mention of the camshaft positioning sensor, but I can look into it the next time its in for service.

PL
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  #10  
Old 10-08-2008, 11:36 PM
pdx pdx is offline
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One more thing. My mechanic does not have the tools to flash the ECU as the bulletin states to do. I would like to have him do it and not take it to the dealership. Did they fix your EGR valve and also update the software in your ECU? Thanks so much for your responses. I have both a 2005 and a very nice 1984 300d and I just live by these forums for help. Have an awesome week!
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  #11  
Old 10-09-2008, 12:06 AM
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Quote:
Originally Posted by barry123400 View Post
The warranty length requirement on emmision equipment by federal mandate should be in your information package somewhere. If not phone another dealer or a zone office if you find your dealer will not give you a satisfactory response to a simple question at their level. You are also the proof that to expect to find a diesel with 200 k at 30 years of age is reaching a little. People buy diesels to pour the miles on them when fairly new. There are exceptions of course but buyers should be very careful. Wonder if your odometer will be cranked back at some point by someone in the future. I suspect it still happens as the dollars are there.
Unless that person has the expensive MB tech hookup system I doubt they'd be able to figure out how to roll back the odometer on the car....and even if the did have it I doubt its possible or an option at all.
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'09 Sprinter 3500 Winnebago View - 62k (OC - 67k)
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  #12  
Old 09-25-2011, 05:51 PM
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2004 CLK270CDI

Hi, I have a 2004 Mercedes CLK270CDI. In the past two weeks the car has been going into limp home mode if left to idle at traffic lights. The engine check light doesn't come on. By switching the ignition off and on again the car drives perfectly again. There are no strange knocks or any other symptoms. I though originally it may be the Air Mass sensor and replaced this but this has not sorted the problem. I'm thinking now it may be the EGR. The car has been plugged into the diagnostics and nothing shows up.
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  #13  
Old 03-23-2014, 11:12 AM
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No intention on reviving an old thread, but to shed light for those seeking answers. In my case the hard code was P0404 and soft code 2511-001 "Check Component Y27/9 Left EGR Positioner - Positioner Signal Fault (only readable with STAR) So I am using my post from another forum in case it can help someone else here. I will continue to monitor my EGR valve to account the mileage/duration of this which I believe may just be a temporary fix)

Today was a good MB day. This morning I set out to take the EGR valve out to clean it. Fearing the worst (valve beeing stuck) as I was told by others that it would be a nightmare.
Couldn't have been easier, took off the 2 torx and grabbed it with my hand, rocked it back and forth a couple of times and carefully pulled it out, easy piece
I removed the side plastic cover, both inside and out were covered in dry soot, when actuating the valve by hand, it would get stuck in the open position and not return which I think it may have been the reason why it was going into limp mode.
Cleaned the valve thoroughly with carb cleaner and then lubed the valve stem and shaft and put it back on. I took the car for a test ride, no more limp mode no more soft code:y
After putting the cover back on I drove it again and scanned it (DAS) PERFECT!

After that I cleaned and lubed the sunroof which would not open since I got it
To finish the day I fixed the glove compartment damper. The door/lid would just drop in a free fall and bounce a few times when I pressed the unlock button, that was an easy fix as well.

Bonus of the day? I got to play with my new DAS/Xentry













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  #14  
Old 06-06-2018, 09:09 PM
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Any downside to EGR delete on 2005 e320 CDI

My EGR valve is starting to stick and putting car into limp mode. I took it out and cleaned it several years ago and will do it again.

I am wondering if installing an EGR delete has any downsides? Were these engines designed for an EGR to heat them up quickly and then run at an optimal temp? Would bypassing the EGR allow the engine to run too hot and not optimally?
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  #15  
Old 06-07-2018, 10:57 AM
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Posts: 543
I installed the EGR delete on one of my CDIs...no issues at all. No limp mode, plenty of power, no "surging" on light throttle, heats up to temp in same amount of time.


I now have 2 more EGR deletes on order for my other 2.


I did notice fuel mileage went down slightly...to around 30 overall from about 33, but I also deleted swirl flap motor at the same time, so I attribute the loss in mileage more to the swirl flaps than the EGR delete.

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