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Mercedes-Benz E-Class Maintenance and Repair

1094 messages,  Last post on Oct 21, 2009 at 5:02 PM

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


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#880 of 1094
heated seats not so hot by revras
Dec 09, 2006 (9:08 am)
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I just took delivery on a 2007 e350 and have noticed that the heated seats do not really heat much at all, on the highest heat setting it is barely warm. I previously had a 2005 e class which would roast you if you so desired. Has anyone else experienced this situation? Could this be a bad fuse etc or has their been a change in the whole mechanism?
#881 of 1094
Re: 2001 E430 Bad Catalytic Convertor?? [bigrobnh] by ray_h1
Dec 09, 2006 (9:28 am)
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Replying to: bigrobnh (Dec 06, 2006 10:29 am)

Definitely American. According to Mobil's website, "Mobil 1 0W-40" is certified to meet the MB 229.5 certification. The only American lube I know of for certain that does meet Mercedes-Benz revised 229.51 spec is "Amsoil Synthetic 5W-40 European Engine Oil". There may be others including the Mobil 1 if the website hasn't been updated to reflect a recent formulation change. I do not know what the ".51" suffix brings to the table or whether it's necessary for your model year engine - check your owner's manual on that.
 
(I am NOT an Amsoil distributor - just an obsessive-compulsive, self-servicing, non-Benz, car owner.)
#882 of 1094
Re: heated seats not so hot [revras] by greasykid1
Dec 09, 2006 (11:23 am)
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Replying to: revras (Dec 09, 2006 9:08 am)

Don't know about 2007 E but my 2005 has toasters in the seats
#883 of 1094
2001 E430 with bad catalytic converter by jodar96
Dec 10, 2006 (7:49 pm)
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The dealer determined that the left side underbody convertor was bad and they replaced it under their 8 year warranty. There are two catalytic conevertors on each side. After the fix, I took the car for a long drive; the rattle and the HUM in acceleration from 45-50mph are both gone.
 
My next issue with the dealer will be the tick tick sound from a cold start that sounds like a lifter noise.
#884 of 1094
99 E320 jerks by dirtyharyus
Dec 18, 2006 (10:46 am)
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Hi,
My 99 E320 kind of jerks forward or seems to not have enough gas at lower gear when I start driving in the morning and gear shift seems not correct. I do warm the car up for about 3-4mins before driving. After I drive for sometime when I slow down or stop at traffic light, I dont see this problem. What could be causing this? Bad Oxygen senor? Or is it the transmission going bad and not shifting correctly?
 
I am not too worried about the other problems but worried about transi goign bad. What are the typical symptoms of transmission going bad?
 
Thanks much in advance.
#885 of 1094
Re: tick tick sound at cold start.... by hawkeyes2
Dec 18, 2006 (3:28 pm)
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Replying to: jodar96 (Dec 10, 2006 7:49 pm)

What is that all about? I have looked at or test driven five of them, and they all tick tick when they start up for a moment. Sounds like a lifter issue, I agree. One of them started up and made that noise, very noticeably, and the guy said it would go away when warmed up. It didn't, and he told me he would have it looked at inside and call me. Then called me to tell me it was off to auction as it had a head gasket problem or leak...and they thought moisture got into the engine (water.) Why do they all do this tick thing upon start up?
#886 of 1094
Re: tick tick sound at cold start.... [hawkeyes2] by ray_h1
Dec 19, 2006 (11:33 am)
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Replying to: hawkeyes2 (Dec 18, 2006 3:28 pm)

)) "Why do they all do this tick thing upon start up?" ((
 
Oil drainback from the top-end to the sump overnight. With overhead camshaft engine designs, upon cold start, there's a brief delay circulating c-o-l-d motor oil back up to re-pressurize the top end mechanicals. Tick-tick-tick... As long as the noise clears within a minute or so, it's not considered problematic. (Or you could always drive a Hyundai Accent with mechanical lifters that require periodic adjustment maintenance... )
#887 of 1094
Re: tick tick sound at cold start.... [ray_h1] by jodar96
Dec 20, 2006 (6:40 pm)
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Replying to: ray_h1 (Dec 19, 2006 11:33 am)

When I dropped off my 2001 E430 with 84K to have them replace the catalytic converter, I told them about the cold engine noise what I describe as lifter noise. The service manager told me that a Mercedes with 84K miles does not develop a lifter noise. He said it was carbon build up around the valve seals, and they run some GM-made cleaner through one of the vacuum lines, and that fix always quiets the noise.
 
The car does not make that noise anymore. They never mentioned what I said in work order write up, and never said what they did. I just now they did something to the engine. I would have heard the noise when I start the car in the garage if they did nothing.. I still think this MB's V-8 does not come close to my 96 Camry's V-6's smoothness. Some of you may think I am crazy for saying this, but it is true.
 
Joe
#888 of 1094
Re: Safety news/ Headgasket [legendman] by ccmbduong1
Dec 23, 2006 (4:14 am)
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Replying to: legendman (Apr 07, 2005 6:57 pm)

I have noticed a very small amount of oil drops on my garage's floor. It's on the passenger side. My '96 E320 has only 75K miles. Question (1) is this a sign of head gasket leak or something else? (2) Can a good independent MB fix this problem? (3) rough cost? (4) any guaranty that the newly designed head gasket from MB permanently fix this problem?
 
Thanks for any input and suggestions
#889 of 1094
Re: Safety news/ Headgasket [ccmbduong1] by ray_h1
Dec 23, 2006 (10:18 am)
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Replying to: ccmbduong1 (Dec 23, 2006 4:14 am)

A head gasket leak could cause exterior oil dripping under certain conditions. But, before I assumed the worst, I'd be looking at the more likely possibility of a benign (if somewhat messy) valve cover gasket leak. You might remove the radiator or purge tank cap before starting up in the morning to inspect whether there's any oil floating on the surface of the visible coolant. If not, that's a reasonably good sign that your head gaskets are OK. If you do see an oil slick on the surface of the coolant, you got trouble. If oil's in the coolant, that means coolant's very likely also in the motor oil. Antifreeze contamination in motor oil is a serious matter because its presence leads to rapid erosion of the softer tin, copper, and lead bearing metals if not attended to quickly.

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