Gas/mileage on 2014 Mercedes S550??

Asked by Jul 15, 2016 at 07:05 PM about the 2014 Mercedes-Benz S-Class S 550

Question type: Maintenance & Repair

We Bought a used 2014 Mercedes S550 only
had 1 owner before.  We put in gas and it goes
quick.  Does anyone have this issue? Dealer
just tells us keep an eye on it......

1 Answer

11,725

16 around town stop and go..low 20's highway If very light foot touch maybe 25 steady state .4.7 small V8 286 CID not to bad on fuel. If your not hitting these numbers scan it for codes or read live data fuel trims STFT and LTFT short and long term trims.

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