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2013 Mercedes C250, smoke from exhaust "Video"

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Old 09-09-2015, 05:33 PM
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mercedes c250, 08 vette blown with meth (680 rwhp)
Originally Posted by 2014 C250
The 2015 should have the newer 2.0l engine. I would think it turbo related, at least if it's blue smoke.
not the coupe, its the same car as the 2014
Old 09-09-2015, 05:56 PM
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2014 W204 C250
Originally Posted by speedraider
not the coupe, its the same car as the 2014
Oh, didn't see where he posted it was a coupe! Oops.
Old 09-09-2015, 06:19 PM
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Mercedes C250
Originally Posted by JakeW
It happened several times on my 2015 C250, 54k miles, the vehicle is out of warranty. I understand there is an TSB on this issue. Just curious how serious is this problem. Also am I expecting an expensive repair job? Any feedback/comments would be greatly appreciated.
Sorry, typo. It is 2013 C250 with 54k miles.
Old 09-09-2015, 10:19 PM
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C200 4matic
Mine was blowing white smoke.. had seals replaced twice.. it still happens from time to time but i have noticed it mainly happens during wet and humid days.. or after heavy rain.. or after alot of city driving
Old 09-17-2015, 08:39 PM
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Mercedes C250
Just to report back to the forum.

I took the car to MB dealer and yes this is apparently a common issue with C250. In the service note/receipt they reference to TSB LI09.40-P-055396. Banjo bolt with valve at turbo fitting was replaced. I did have to pay for the inspection and the repair work since my car is out of warranty.
Old 10-07-2015, 03:12 AM
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W204 c180 bluefficiency coupe
Originally Posted by janusgrimnitz
Mine did that also

Been to the shop twice and they have replaced some seals in the turbo and by the turbo. The Shanghai dealer claims this is a very common thing for the class with turbo.
all fixed under warranty and took half day to fix
Hey mate. So which exact seals did they replace? I think the seals are damaged by the high oil pressure caused by the old banjo bolt. I replaced the banjo bolt, smoke reduced significantly. I guess it's time for me to replace the seals.
Old 01-09-2016, 10:55 PM
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2012 C250 Sport Sedan
Originally Posted by JakeW
Just to report back to the forum.

I took the car to MB dealer and yes this is apparently a common issue with C250. In the service note/receipt they reference to TSB LI09.40-P-055396. Banjo bolt with valve at turbo fitting was replaced. I did have to pay for the inspection and the repair work since my car is out of warranty.
I took my car in today and they did this same repair for the same issue. In the write-up it does mention the banjo bolt for the turbo and a seal had to be replaced.
I just hope this actually fixes the smoke problem.
Old 01-10-2016, 01:28 AM
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W204 c180 bluefficiency coupe

This was replaced by them.. However mine still smokes.. What's the problem.. Was yours fixed ?
Originally Posted by jjcrews01
I took my car in today and they did this same repair for the same issue. In the write-up it does mention the banjo bolt for the turbo and a seal had to be replaced.


I just hope this actually fixes the smoke problem.
Old 01-11-2016, 03:25 PM
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2012 C250 Sport Sedan
Originally Posted by tonyhawk2004

This was replaced by them.. However mine still smokes.. What's the problem.. Was yours fixed ?
They test drove the car and verified leaking oil coming from the turbo. They actually only replaced the top three items that they replaced on your car.
It seems to be better, I just hope it lasts.
Old 01-18-2017, 01:19 PM
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2012 C250 Sport, 2014 ML350 4Matic
You guys that have paid out of pocket for this "banjo bolt" repair, what's it been running you if you don't mind sharing? Our 2012 C250 is doing the start-up smoke thing with 60k miles. Sort of a bummer, as the car has otherwise been super reliable.
Old 01-18-2017, 05:20 PM
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Mercedes C250 Coupe
.....interesting thread.

2012 1.8 4-cyl turbo at 28,850 miles. No noticeable smoke. What am I missing (aside from smoke)..................

ez
Old 01-21-2017, 11:51 AM
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c250
Cost of new banjo bolt and new seals

Originally Posted by tonyhawk2004

This was replaced by them.. However mine still smokes.. What's the problem.. Was yours fixed ?
what was the cost of this repair?? Mine blows white smoke every once in a while...more annoying that anything else
Old 01-21-2017, 11:52 AM
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c250
Cost of repair for banjo bolt and new seals

Originally Posted by tonyhawk2004

This was replaced by them.. However mine still smokes.. What's the problem.. Was yours fixed ?
what was the cost of your repair?
Old 03-12-2017, 01:07 PM
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2012 C250 Sport, 2014 ML350 4Matic
Originally Posted by Dave Mudge
what was the cost of this repair?? Mine blows white smoke every once in a while...more annoying that anything else

Had the "banjo bolt" repair done last month. It was less than $500 at the dealer. Repair seems to be working, haven't see the smoke since.
Old 03-31-2017, 04:18 PM
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2012 C250
Has anyone attempted to DIY the banjo bolt? I saw in a site the bolt is only $ 5.00.
Old 04-01-2017, 03:26 PM
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A car
Originally Posted by spyked
Maybe try some Techron in the tank and drive it WOT for a few seconds here and there. My car, when newer, would blow black-ish smoke if I floored it to pass on two lane roads after driving like a "granny" for a few weeks during break-in. It was only a brief "puff" during kick-down.
That's because you have an engine with direct injection. By driving WOT, you are dislodging some of the carbon that's probably been caked onto your intake valve. I had a DI Audi before this and it would do the same thing. Drive it like a granny for a week and then floor it then wooosh - lots of smoke

The OP doesn't have a car with DI though
Old 04-06-2017, 05:08 AM
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e220 cdi 2005
Originally Posted by RADO Motorsport
White Smoke is water, blue smoke is oil and black smoke is fuel.

If it has been sitting around and blows white smoke when it starts it's just the condensation built up in the exhaust that is quickly burning off, do not worry about it. If white smoke is coming out the exhaust while you are driving then it can be a head gasket or something like that.

Do not worry about the white smoke on the start up.


hello
I have a e-class 220cdi 2005 and sometimes when driven in the city it has a "puff" of black smoke. When in highway it seems no smoke anymore.
Is the diesel in this kind of smoking?
thanks
Old 04-06-2017, 11:40 AM
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2012 C250
It's not the typical condensation white smoke. It's blue smoke - which means oil build up. It doesn't blow out smoke when I drive the car nor when I step on it. This normally happens when the cars sits overnight in the garage.
Old 11-07-2019, 04:13 PM
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C250
Cool C Class is a heavy smoker

I have the same issue with my 2013 C250. I bought it when it had only 23k on it, now it is about 70k miles. The puff of grayish-white smoke comes out of tailpipe only at the startup. So it seems as when it is left alone for a few hours, it smokes at the start. But it has never failed the state inspection. I will research a DIY fix and save a few hundred dollars.
Old 09-20-2021, 06:23 PM
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2013 Mercedes Benz C250 Coupe
Ever get a fix?

Originally Posted by apftayyari
I have the same issue with my 2013 C250. I bought it when it had only 23k on it, now it is about 70k miles. The puff of grayish-white smoke comes out of tailpipe only at the startup. So it seems as when it is left alone for a few hours, it smokes at the start. But it has never failed the state inspection. I will research a DIY fix and save a few hundred dollars.
2013 c250 coupe with 103k. Never failed state inspection. Occasionally I get a plume of white smoke on start but as far as I know it’s not doing it while I drive. Did you ever find a fix? Thanks
Old 09-21-2021, 10:49 AM
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C250
Cool My white Smoke Plume Issue Has Been Fixed!!!

Originally Posted by 13MBZ77
2013 c250 coupe with 103k. Never failed state inspection. Occasionally I get a plume of white smoke on start, but as far as I know, it’s not doing it while I drive. Did you ever find a fix? Thanks
I replaced the banjo bolt about six months ago. After the replacement, it smoked a couple of times, after which there has been no recurrence. No smoke plumes at ignition anymore.
Old 09-21-2021, 10:55 AM
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C250
Yes, I had the same problem. I replaced my turbo banjo bolt, after which it smoked a couple of times, but it stopped and never smoked again at ignition.
Old 09-22-2021, 08:32 AM
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2009 MB C300 Sport 4matic
Originally Posted by 13MBZ77
2013 c250 coupe with 103k. Never failed state inspection. Occasionally I get a plume of white smoke on start but as far as I know it’s not doing it while I drive. Did you ever find a fix? Thanks
My understanding is that the banjo restrictor bolt attaching the oil feed to certain turbo'd car runs was allowing above spec oil pressure at the turbo center cartridge...would force oil past the turbo seals when oil cold or incorrect oil weight used (even higher pressure ) causing smoking and if left uncorrected could blow those seals so smoking became constant .

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