CL 550 4MATIC (216.386) V8-5.5L (273.961) (2009)
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actuated by it.
The circulation pump relay (with engine 275) or power electronics circulation pump 1 relay (with model 221.095/195) is actuated by the front SAM
control unit with fuse and relay module (N10/1). The power electronics circulation pump 2 relay (with model 221.095/195) is powered by the front SAM
control unit through the circuit 87 connector sleeve (Z7/5), and the ME-SFI [ME] control unit (N3/10) is responsible for its actuation.
The fuel pump relay is powered by the front SAM control unit through the circuit 15 connector sleeve (Z3), and the CDI control unit (N3/9) is
responsible for its actuation.
