fuel sender unit

[Madmerc]

hi guys I have installed a new fuel sender unit in the 230sl tank  I went for a later unit instead of the older wire float unit  and I was wondering do I need to change my fuel gauge  thsanks guys much appreciated for your help

[WRe]

Hi,
the fuel indicators are matched to the sender units and are NOT interchangeable, see here www.sl113.org/wiki/Fuel/SenderUnit.
...WRe