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Mercedes-Benz E-Class Diesels

570 messages,  Last post on Sep 06, 2009 at 6:25 PM

You are in the Mercedes-Benz E-Class Forum. Your Hosts are pat & karens

What is this discussion about? Mercedes-Benz E-Class, Biodiesel, Diesel, Sedan


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#507 of 570
- by dudleyr
Apr 06, 2007 (11:05 am)
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That is a design defect. I would insist on free replacement. A leaking fuel line is very serious and mercedes should be going out of their way to keep the customer happy (so they won't sue).
#508 of 570
New diesel causes hose leaks? by nimhrod
Apr 06, 2007 (2:43 pm)
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Replying to: nimhrod (Apr 03, 2007 6:40 am)

I suggested the same thing. Their response was the it was not a design defect because, at the time of manufacture, the fuel currently in use was compatible with the MB fuel system. Now that the formulation has changed it's eating up the fuel lines & hoses. But this is not their problem until it fails. In other words, HOPE YOUR SYSTEM FAILS BEFORE THE WARRANTY ENDS!
#509 of 570
... Blue Tec & EGR ??? by roland3
May 17, 2007 (11:11 am)
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... just wondering if Blue Tec got rid of EGR, the urea saturated traps handle about 80 percent of NOx; was just in the local MB dealer, I think they thought I'am from Mars, but they were very polite. The one brochure they gave me mentioned the particulate and the urea but no mention of EGR.
#510 of 570
Re: ... Blue Tec & EGR ??? [roland3] by roland3
May 18, 2007 (7:33 am)
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Replying to: roland3 (May 17, 2007 11:11 am)

... The DC site has quite a bit of info on the Blue Tec. It is designed to pass Euro V, without EGR and Mercedes points out several pitfalls of EGR.
#511 of 570
This may sound like an old by marsha7
May 18, 2007 (4:18 pm)
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concept, but I believe it was not so long ago that diesel vehicles had a drain spigot to drain the water attracted by the hydrophilic diesel fuel...is this true, and, if it is, do those drain spigots still exist on current diesel vehicles like the 320 CDI????????????????
#512 of 570
Re: New diesel causes hose leaks? [nimhrod] by chander
May 19, 2007 (4:21 am)
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Replying to: nimhrod (Apr 06, 2007 2:43 pm)

I am in the market looking to buy a bluetec car, do these also develop a hose leaks??, Should I stay away??
#513 of 570
New diesel causes hose leaks? [chander] by nimhrod
May 19, 2007 (5:17 am)
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Replying to: chander (May 19, 2007 4:21 am)

First, I can tell you from first hand experience that this is an amazing vehicle. Style, power, economy- an unusual combination.
 
The mechanic told me that the '05's were not built with the new diesel fuel formulation in mind. And he'd seen, as a mechanic there a pattern of leaky hoses once the owner switched to the new fuel. I would THINK that MB would have made any necessary changes to their fuel lines and other rubber-based fuel touching parts to ensure that they were resistant. But then that's common sense...
 
Second word of advice- as much as I love this car- be SURE to consider buying the extended warranty. I've tried to buy one (Mercedes) now that I have 47,000 miles, but forget it. Too pricey. Much cheaper to buy when new. And you don't have to buy it from the selling dealer. They often think they've "got you" when you buy it new and that you'll just add it on to the total. Price it out from other MB dealers online. I've been told there's BIG differences in price. I'm buying a JM&A ext warr.. Not the same as a MB warranty, but the next best thing and big savings.
 
A service writer told me that you usually don't need EW's on newer cars, but MB is different. Not because they are not dependable, but because they are so expensive on repairs. He said to replace a/c condenser on this car is over $2,000. That's almost the cost of the EW.
 
Hope I didn't scare you off.
 
D
#514 of 570
Re: This may sound like an old [marsha7] by roland3
May 19, 2007 (9:46 pm)
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Replying to: marsha7 (May 18, 2007 4:18 pm)

... Marsha, I don't believe Diesel fuel is any more hydroscopic than gasoline. There are many types of aftermarket and OEM seperation systems. Most of the problem is a low fuel level and condensation on the walls of the tank; especially in high humidity conditions, and long settings. Many fuel filters are availiable as an unidentical twin with a drain on the bottom, with maybe a one digit change in the part #.
.
#515 of 570
Re: This may sound like an old [roland3] by roland3
May 21, 2007 (5:12 am)
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Replying to: roland3 (May 19, 2007 9:46 pm)

... Marsha, also there are many vehicles on the road with no seperation systems at all. The filter(s) actually will not pass water (that is not in solution, very small trace) and it is a good idea to carry a spare filter. I believe the newer cars have sealed tank/fuel systems and condensation does not seem to be much of a problem. On a boat it's a good idea to drain a small amount of fuel out of the filter or low spot in the fuel system every day; unless you have a seperatin unit with a sight glass. Any water is readily visiable in a small cup.
#516 of 570
Re: New diesel causes hose leaks? [nimhrod] by greasykid1
May 22, 2007 (8:41 am)
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Replying to: nimhrod (May 19, 2007 5:17 am)

When I took my 2005 CDI in for service the dealer replaced my fuel hoses. No problems.

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