Different battery. This pic was taken at the Interstate warehouse when I bought my second AGM H8 (on the right), supposedly a "take off" from Mercedes that was rejected for whatever reason but was tested to be good by Interstate afterwards. Interstate supplies batteries to Mercedes in the US from what I was told. On the left is a dead Mercedes battery from a 560 SL that sat un-driven for about 2 years and could not be brought back by charging. Interstate removes all labels from the Mercedes battery and slaps on the Econopower label before being sold.

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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked