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Discussion Starter #1
I had to have my Crankcase Ventilation Purge Valve replaced. I was billed for 12 hours of labor. Has anyone else dealt with this problem?
 

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Had ours replaced under warranty so I don't think it lists the time. The part itself is pricey iirc and requires the removal of the drivers side engine mount and ecu to access so not a simple job. 12 hours seems excessive though.
 

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I have almost 95,000 miles on my van so it’s not like it’s a low mileage failure, although I was not anticipating a repair this involved.
 

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Based on the hours ransome R. was billed...$1500 maybe? not sure the cost of the part. That's to soon for a wear item at that cost. I'll be changing mine myself, but I travel across country to motorcycle offroad...I would hate to have a failure in Utah.
 

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Looks like the part is barely $50 online.....probably just a pain to get to. Doubt its any harder than the engine mounts on a W210 or the inner intake grommets on a M116 engine.
 

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Discussion Starter #9
Thanks for the comments and additional info. I have just under 23K on my van. No Metris dealers here in Alaska and MB USA won't pay for anything if its not done at a METRIS dealership so any MB warranty is worthless up here. Nice to know that they value their dealers so highly and leave the customer without any warranty support what so ever.... The local MB dealership's service department won't even look at my Metris.

Lance on the Fence- $1500, I wish! Labor is $130 per hour at the Freightliner/Sprinter dealership. I use them since I hoped they might have better access to MB tech data and parts. But no, MB apparently has a pretty tight grip on troubleshooting info and access to parts. Part of the labor costs are for tracking down tech data and trying to get the part.

Pawo007- You must have looked up the wrong part. Try $840 and that is supposedly discounted. The part number listed is 274 090 02 00 but that may have come through the Freightliner parts system.

When I look at the old part, I can see that its clearly not a 2 hour job to swap it out. I'm hoping our favorite Metris mechanic can give an estimate on how long it might take someone that works on a Metris on a regular basis to swap out the part.
 

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Thanks for the comments and additional info. I have just under 23K on my van. No Metris dealers here in Alaska and MB USA won't pay for anything if its not done at a METRIS dealership so any MB warranty is worthless up here. Nice to know that they value their dealers so highly and leave the customer without any warranty support what so ever.... The local MB dealership's service department won't even look at my Metris.

Lance on the Fence- $1500, I wish! Labor is $130 per hour at the Freightliner/Sprinter dealership. I use them since I hoped they might have better access to MB tech data and parts. But no, MB apparently has a pretty tight grip on troubleshooting info and access to parts. Part of the labor costs are for tracking down tech data and trying to get the part.

Pawo007- You must have looked up the wrong part. Try $840 and that is supposedly discounted. The part number listed is 274 090 02 00 but that may have come through the Freightliner parts system.

When I look at the old part, I can see that its clearly not a 2 hour job to swap it out. I'm hoping our favorite Metris mechanic can give an estimate on how long it might take someone that works on a Metris on a regular basis to swap out the part.
https://www.mboeparts.com/p-intake-line-2740900200

Wow yeah, pricey! What are the symptoms when this part has a problem?

Also the troubleshooting/service info isn't that tightly gripped by MB......there's ways to get it. :grin:
 

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Discussion Starter #11
https://www.mboeparts.com/p-intake-line-2740900200

Wow yeah, pricey! What are the symptoms when this part has a problem?

Also the troubleshooting/service info isn't that tightly gripped by MB......there's ways to get it. :grin:
A Check Engine Light was the only indication of a problem.

As for getting tech data, my comments are based on what the service manager told me. I did not try to research or repair the problem myself. Although I did hook up my Zurich ZR13 OBD2 code reader before bringing in for repair. The ZR13 correctly identified the problem.
 

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RR, thanks for the response. Sorry to hear about your challenges. I'm very surprised to hear such low mileage failures. I love this van but I can lose my love real quick. So this looks a $2500 repair maybe. Crazy. There is another guy on here in another thread that had one replaced.
 

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I wonder if that could be considered part of the emissions system and fall under that warranty coverage....which is 80k miles per federal law....

There's a ton of these engines out on the road in various vehicles for 4+ years now, seems like if it was real widespread there'd be more about it online....I searched around under some of the other modes the M274 is found in and didn't come up with anything.
 

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Pawo, I found a couple post on it, but agree, it doesn't seem to be widespread. I did read somewhere that stated it's worse the farther north you go, and it went on to say they are insulating the hoses now.

I did a good bit of research on the system, it is very complex compared to the previous system of venting the crankcase. It's a split system, high rpm and low rpm. Lots of hoses...very expensive. The one on my BMW is about $90 and about 3 or 4 hoses for another $75 or so and much easier to replace. I guess we'll see how these will hold up.
 

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I am sure that would be covered under an emissions warranty; however I was mistaken as to its coverage.

I had two codes; one involved a failure of an oil pump control valve, which was covered by the ELW; That was an actual 12 hour job.

The purge valve was NOT covered by the ELW. My dealership got MB to give me good will in the form of covering 75% of the part cost, and I paid 100% of the non-duplicate labor from the other repair. I paid labor in the amount of $612 plus $250 ish for the part.

My service advisor told me that this has been an issue with all vehicles equipped with the M274; Mercedes considers the valve a wear part (surprise surprise) which is why it is not covered. He assured me however that assuming my vehicle continues to be properly maintained I should be able to get a similar goodwill gesture if it happens again.

If I seem happy about it, I’m not, although I do appreciate my dealer going to bat for me. I emphasize the importance of finding a good dealer.
 

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Pawo, I found a couple post on it, but agree, it doesn't seem to be widespread. I did read somewhere that stated it's worse the farther north you go, and it went on to say they are insulating the hoses now.

I did a good bit of research on the system, it is very complex compared to the previous system of venting the crankcase. It's a split system, high rpm and low rpm. Lots of hoses...very expensive. The one on my BMW is about $90 and about 3 or 4 hoses for another $75 or so and much easier to replace. I guess we'll see how these will hold up.
I am pretty far north....I guess we'll see how it goes. I suspect that oil vapor condenses in the tube when its cold and slowly clogs it. I've seen similar condensation in the valve cover oil caps on the M112 and M113 gas engines that have a "tall plastic tube" that stands off the valve cover for the oil cap and thus is much colder than its surroundings.
 

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Discussion Starter #18
I am sure that would be covered under an emissions warranty; however I was mistaken as to its coverage.

The purge valve was NOT covered by the ELW. My dealership got MB to give me good will in the form of covering 75% of the part cost, and I paid 100% of the non-duplicate labor from the other repair. I paid labor in the amount of $612 plus $250 ish for the part.

My service advisor told me that this has been an issue with all vehicles equipped with the M274; Mercedes considers the valve a wear part (surprise surprise) which is why it is not covered. He assured me however that assuming my vehicle continues to be properly maintained I should be able to get a similar goodwill gesture if it happens again.

If I seem happy about it, I’m not, although I do appreciate my dealer going to bat for me. I emphasize the importance of finding a good dealer.
Thanks for the update on your costs. I'm envious of the discount that you received! Clearly you have far more wit, charm, good looks and/or better rapport with your dealer than I do. Since I'm 1400 miles from ANY Metris dealership, there were no options to find the best dealership to deal with. I tried to get MBUSA to at least pay for the part since my van is still under the original warranty, but they didn't give me the time of day since the work wasn't done at a Metris dealership.

To add clarity on my problem, it did occur in the winter, back in November. I had been out camping in my van for 4 nights in mild temps (20's to low 30's F). I would idle the van for 20 to maybe 30 minutes or so each morning to warm things up and charge my aux battery. Late in the afternoon I'd drive the van for 30 to 45 minutes to charge my battery and get the engine up to normal operating temps. I then drove over 12 hours at highway speeds. The Check Engine Light came on the second time I drove the van after getting home from that trip. A technician at the local Sprinter dealer said its a fairly common problem on Sprinter engines when the vans are idled a lot. I'm not sure how relevant his comment is though. A Sprinter engine is probably quite different since its diesel. And I would hope that 20 to 30 minutes of idling a few times in mild temps doesn't cause a problem with this part.

I've attached pics of the part number on the box as well as the part itself. The Sprinter service manager said they had trouble getting the right part since the part numbers had been changed recently. I counted 8 hose connections and 2 electrical connections. Its way more than a simple hose.
 

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Agree, we just don't have the def. These are very complex and amazing engines. Our fuel pressure in the fuel rail can get up to 2900 psi...with the injector spraying multiple times per stroke. Well, if it gets real bad..I will yank this engine and transmission out and put in a 1975 Ford 289 with a manual 4 speed. I have a nice welder...I can make some nice motor mounts. Lol
 
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