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Also and I'm guessing here, since the battery in the 12 only charges when coasting and braking, they may have been going through too many batteries and they change the programming in the 13 model year to be less aggressive about gas mileage and let the battery charge all the way, like during acceleration too. Both my cars are 4Matics. I would assume the 2wd'd are a little better on MPG.
Last edited by pierrejoliat; May 29, 2020 at 07:38 AM. Reason: overstated
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W212 Suspension Type






