I'd have to say S is "super". Puts you in 3rd gear (with a 4spd) for passing or driving up or down hills, etc. Def does not put you in second gear.
L is 'low". I believe it gives you 1 & 2 only.
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Terry Allison
N. Calif. & Boca Chica, Panama
09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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