Speaking of Redline, where can you buy this stuff. I remember a long while ago that you could order it online from Redline. However I recently went to their site and there is no mention of online ordering anymore. I have also heard this theory of putting a fuel system cleaner in about 1 tanks worth away from the next oil change. Today I bought a bottle of Techron fuel system cleaner, but I was going to use it in my VW. I never thought about using it in my Benz. I looked at the bottle and it does say "Can be used with diesel fuel in light-duty indirect-injected diesel engines." I guess our diesels would be called "light-duty" versus the large trucks (semis). My mechanic said a good way to clean out your injectors would be to fill the main filter with injector cleaner and start her up.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member