E-Class (W211) 2003-2009

fuel injector additive

Old Mar 27, 2018 | 11:40 PM
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s500
fuel injector additive

Should I, or should I not use a fuel injector cleaner in a 2006 Mercedes Benz s500?
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Old Mar 28, 2018 | 01:23 PM
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Originally Posted by hmorse
Should I, or should I not use a fuel injector cleaner in a 2006 Mercedes Benz s500?
My view is the best maintenance one can do for fuel injectors is to use TopTier gas.
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Old Mar 28, 2018 | 09:13 PM
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Last I hear MB recommends only Techron additive, what is added to Shell fuel.
I never ad any additive, with rare exception of diesel kleen when I go to cold climates.
Never had a fuel-related problem in last 20 years, when CA switched to double walled tanks at gas stations. Than CA is adding lot of environmental stuff to the fuel for generations, so even buying gas at discount places you still get some cleaners in it.
Nevada is mostly selling California refined fuel, but I am new here.
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Old Mar 29, 2018 | 12:12 AM
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Just concerned, a couple of times, when veh. parked over night, --back out garage, re example to start snow shoveling, approx. 1 hr. later to pull it back in garage, get blue smoke. Got new network of spark plugs done, approx. 5 months ago. Just thought, injectors fowling. Thanks.
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Old Apr 1, 2018 | 10:35 AM
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Blue smoke from the exhaust is usually from motor oil getting into the combustion chamber that enters from worn or damaged piston ring(s) and/ or worn valve seats. Does the engine consume an abnormal amount of oil? How many miles on the car? Was the vehicle a former taxi? Lots of engine idle hours on those. You may want to post on the S class forums as it looks like that's your ride.

Last edited by Sleeper Benz; Apr 1, 2018 at 10:38 AM.
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Old Apr 2, 2018 | 06:01 PM
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Originally Posted by hmorse
Should I, or should I not use a fuel injector cleaner in a 2006 Mercedes Benz s500?
I use a product called Liqui Moly every 1500 miles. Another good one is CRC fuel cleaner. The Liqui Moly is less then half the price and my Mercedes friends swear by it.

https://www.google.com/search?rlz=1C...19381994012372
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Old Apr 2, 2018 | 07:03 PM
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Got it . I use to treat that to an Acura TL, also. Really improved its performance. Good idea. Thanks.Do you know if they cause any o-ring damage[s] to the fuel injectors? Thanks.
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Old Apr 2, 2018 | 08:07 PM
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With the information you have provided I would try this fine product.

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Old Apr 4, 2018 | 01:53 PM
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Originally Posted by hmorse
Got it . I use to treat that to an Acura TL, also. Really improved its performance. Good idea. Thanks.Do you know if they cause any o-ring damage[s] to the fuel injectors? Thanks.
I've used it and never had an issue. My friend uses it in his GLK 350 and has also never had any trouble. I think you will be fine.
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