Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help

Go Back   PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Diesel Discussion

LinkBack Thread Tools Display Modes
Old 08-23-2001, 03:12 AM
Registered User
Join Date: Feb 2001
Location: Midwest, USA
Posts: 171
Different diesel from different station causes smoke...WHY?

I like to fill up at the same station always. I don't have any visible smoke with their diesel. I filled up on "E" at a different station, and now I'm having very visible smoke. What would the difference in diesel be that would cause more smoke? This has happened before after filling up at a third site. I always see a change in running behaviour depending on where I fill up.
Reply With Quote
Old 08-23-2001, 10:52 AM
Join Date: Aug 2000
Location: Holland, MI
Posts: 1,316
Ya gotta wonder if the deliver truck dumped some K#1in the D#2 tank, or some such.

BCingU, Jim
Reply With Quote
Old 08-23-2001, 12:27 PM
Join Date: Jul 2001
Location: Old Lyme, Connecticut
Posts: 3,596
I have had the same experience and have wondered the same things. I have heard all kinds of stories about freshness of the fuel, advice to buy at truck stops since they have the least chance of having old fuel with algae in it and so on. In the end I have two regular guys I buy from that are near my home, near a highway, but never have trucks there. One is a Texaco station and all my cars do better with fuel from that station. The other is an Exxon staton and the Diesel is good there, and a little less costly than the Texaco station. I use Redline for my Diesels and have stopped wondering when I get a crummy load of fuel. I just fill up at the Texaco station the next time, take the station with the bad stuff off my list of Diesel stations to use, and forget about it.

1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)
Reply With Quote
Old 08-23-2001, 01:58 PM
Registered User
Join Date: Feb 2001
Location: Midwest, USA
Posts: 171
Jim I do the same thing! I stopped using this station where I got the "smokey" fuel about 6 months ago. I forgot why I stopped using the station, and now I remember. I don't think they sell much diesel. I am going to stop buying diesel in town all together, and start filling up on the Interstate at the truck stops.
Reply With Quote
Old 08-23-2001, 05:28 PM
Posts: n/a
I had a very bad experience with water in diesel fuel several years and another car ago. Filled up at a station I didn't normally use. Had to have tank removed and cleaned.

Learned a big lesson to try and buy at same place to establish some sort of track record with them. Also, I do try to buy at truck stops where I believe and hope there is a faster turnover of the fuel.

'85 300CD
Reply With Quote
Old 08-23-2001, 06:40 PM
Registered User
Join Date: Apr 2001
Location: Near Omaha Nebraska
Posts: 19
Cetane number!

More than likely you got into a station that sells low cetane diesel fuel.. Some stations (mostly those that sell 'premium' diesel) will post the cetane number. The higher it is, up to a point, the better it will be. The higher number means that it starts to burn easyer, and will probably produce less smoke. A higher number is more important in winter than in summer for easy starting.

Cetane number for diesel is like the octane number for a gasser. The higher the better for high performance engines. You can get some additives to help increase the cetane number of the fuel. Amsoil and Redline and a few others sell the stuff. Power services also sells a new product that is supposed to include a cetane improver along with cleaner.

You might want to check out this artical on the TDI club forums about diesel fuel properties..
Hope that helps answer your questions..

Drive ON!
1985 300D - 190K Miles - 26 MPG on first trip home - getting rust fixed and repainted.
1987 MB 300 SDL - 238K miles - Sold
2003 DC Ram 2500 QuadCab 6 speed, 4x4 Cummins - 82K miles - 20+ MPG
1999 VW A4 Jetta TDI 5 speed - 83K miles - 50+ MPG is easy!
Reply With Quote
Old 08-26-2001, 10:12 PM
Registered User
Join Date: Nov 2000
Location: Vernon, CT
Posts: 1,848
Patsy, did your fuel economy go down? I agree with the idea of sticking with a good station when you find one. I routinely buy Mobil diesel from a car/truck stop just off the N.J. turnpike. I know their stuff is fresh. Oddly though, I don't recall seeing a cetane number on the pump. I just came back from visiting my folks in Virginia, and all the Texaco stations had "Premium Diesel" with a cetane rating of 45. When I first bought my car, I was buying my diesel locally and was getting about 25-27 mpg. After reading here about differences in diesel from one station to another, I tried this Mobil diesel. My fuel economy shot up to 29-30 mpg. The kicker is that this Mobil diesel cost less than the local stations.
1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member
Reply With Quote
Old 05-27-2014, 06:01 PM
Registered User
Join Date: Feb 2014
Location: Sierra Nevada Mountains
Posts: 28
Could the mystery fuel be biodiesel?
Reply With Quote
Old 05-27-2014, 06:13 PM
Registered User
Join Date: Dec 2005
Location: Carson City, NV
Posts: 3,771
Unlikely. Biodiesel usually smokes less if there's any difference.

BTW, did you notice this thread is nearly 13 years old?
Anyone who thinks a 300D is fast drives too slow.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 357,xxx miles
08 Triumph Street Triple 24,xxx miles, lowered 10mm in front, Pirelli Angel GT tires, EBC HH brake pads, otherwise stock.
Reply With Quote
Old 05-28-2014, 01:09 AM
Registered User
Join Date: May 2007
Location: Out in the Boonies of Hot, Dry, Dusty, Windy Nevada
Posts: 9,585
Were they even using Bio-Diesel 13 years ago?

Reading this old thread reminds me of the one ROY, WHUNTER started a while back.

Warning ALL Diesel Owners, Random poor quality fuel

there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
Reply With Quote
Old 05-28-2014, 02:00 AM
Registered User
Join Date: Feb 2014
Location: Sierra Nevada Mountains
Posts: 28
Sorry, new here and it popped up on a search and caught my eye.
Reply With Quote


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
Run away diesel, why does it happen? whunter Diesel Discussion 169 07-07-2016 02:55 PM
my diesel purge experience JHZR2 Diesel Discussion 19 07-09-2005 12:12 AM
MBZ new diesels article pdxman Diesel Discussion 1 05-25-2004 01:40 PM
What's the best way to smoke a tailgater with a diesel? lietuviai Diesel Discussion 39 04-05-2004 08:49 PM
Calf. Changes view on diesel richard u Diesel Discussion 4 10-24-2002 07:10 PM

All times are GMT -4. The time now is 07:46 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page