Join Date: Aug 2010
Location: Eastern Ma.
Vehicle: 2010 SLK 300, AMG Sport Pkg
Mentioned: 3 Post(s)
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Quoted: 24 Post(s)
Thanked 24 Times in 22 Posts
MPG, C or S
tried something to satisfy my curiosity.
as background, I don't have a heavy foot from a red light, and I don't drive hard, or push it.
I normally use C for the transmission setting. as I understand it, C has different shift points than S, and C starts in 2nd gear where S starts in 1st.
On returning home today on a weekly trip of ~ 55 miles one way, kept it in S.
My MPG was about 1 MPG less than when I was in C.