SLK 320 (170.465) V6-3.2L (112.947) (2002)
ENGINE 104 (except 104.98) in MODEL 129, 140, 202, 210
ENGINE 111 in MODEL 163, 170, 202, 203, 208, 210
ENGINE 112 (except 112.96) in MODEL 163, 170, 202, 203, 208, 209, 210, 211, 220, 230
ENGINE 113 (except 113.99) in MODEL 129, 163, 208, 209, 210, 211, 215, 220, 230
ENGINE 119 (except 119.96) in MODEL 129, 140, 210
ENGINE 120.982 in MODEL 140
ENGINE 120.983 in MODEL 129
ENGINE 137 in MODEL 215, 220
ENGINE 612.963 in MODEL 163
ENGINE 628.963 in MODEL 163
The fuel pump relay is a 4-pin plug-in relay.
Fuel Pump Relay, Function
Fuel Pump Relay, Function
Shown on model 140
K27
Fuel pump relay module
The fuel pump relay (K27) is switched by a ground signal from the control unit at terminal 86. If the contact is closed, the fuel pump (M3) is
connected to terminal 30 (B+) via terminal 87. Circuit 30 is protected by a 30 A fuse.
With models 129, 140, 202, 208, the fuse is attached to the relay.
On vehicles with two fuel pumps, the pumps are connected in parallel.