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2000 Mercedes-Benz E320 4matic
44 Posts
Discussion Starter #1 (Edited)
1. What do you guys think is the best fuel system cleaner?

2. How often do you run it through a tank?

I just got my car with 150k on it, and don't know if it's been used in the past or not. I want to run some fuel injector cleaner through and then change the fuel filter. I've seen some people mention Seafoam and others Techron Concentrate or BGK 44 is talked about as very good but expensive. I've always used Lucas in the past. Does it really matter that much? Are there ones I want to avoid using in our cars for any reason (seals, etc)? What do you think is the best to use in a Mercedes? I realize that MB recommends Techron, but is it because it's the best, or just because it's the one they distribute?
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