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Old 12-10-2001, 01:13 PM
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G-Benz G-Benz is offline
Razorback Soccer Dad
Join Date: Apr 2001
Location: Dallas/Fort-Worth
Posts: 5,711
At 106K, a properly maintained engine shouldn't need any internal flushing, but here's a thread about a "de-carbonizer" that is supposedly effective in doing just what the name says. It's volatile stuff, and instructions must be followed carefully.

Where to buy X-66 decarbonizer?

Brake, oil and coolant flush would be the only things I would consider doing. I would also recommend MB coolant only if not already present in the system (but that is another can of worms in this forum).

There are two schools of thought as far as transmission fluid change after 100K. Personally, I wouldn't mess with it unless already cracking open the case to fix some other problem.

Try Chevron Techtron fuel if it's available in your area. Many forum members swear by it as far as keeping the combustion chambers clean.
2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car
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