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Question:

What is the best oil and fuel additive for a Mercedes?

What is the best oil and fuel additive for a Mercedes?

Answer:

Synthetic oils seem to be the best these days as for a fuel additive. Just run premium.
The ONLY oils to use have EUROPEAN spec numbers. BENZ requires 229.00 and HIGHER ones. LUBRO-MOLY and TOTAL ENERGY oil from france are EXCELLENT ones, but MOBIL ONE 0W_40 si the easiest to find. AMSOIL makes on good for 25,000 mile intervals. The ONLY additive to use also comes form GERMANY and is called CERATEC. it is a CERAMIC additive that coats the cylinder walls and fills in small imperfections. ALSO use a good MOTOR FLUSH in there first. to remove ALL the crud collected on your PISTON RINGS most people have used VALVOLINE in those engines. and THAT is the PROBLEM. MOdern fuels have TONS of detergent in them so NOT additives are4 really necessary. B U T it is IMPORTANT to have someone familiar with BOSCH INJECTION to examine and adjust your AIR/FUEL mixture. A properly tuned INJECTION system will keep things going for YEARS longer, with NO converter or O2 sensor issues. WHICH benz do you have?? GGOD LUCK!!
Crack the manual in the glove compartment to read what Mercedes has to say about goofy fuel and oil additives.

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