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ME-SFI deceleration fuel shutoff, function - GF07.61-P-4019AM

ENGINE 113.990 in MODEL 211, 219 

ENGINE 113.991 in MODEL 215, 220 

ENGINE 113.992 in MODEL 230 up to Model Year 2008 

ENGINE 113.993 in MODEL 463 up to 31.5.12 

ENGINE 113.995 in MODEL 230 up to Model Year 2008 

Fig 1: Identifying ME-SFI Deceleration Fuel Shutoff Function Diagram
G07870971Courtesy of MERCEDES-BENZ USA

The braking effect of the engine in the overrun mode is increased and the fuel consumption is reduced by means of the deceleration fuel shutoff.

In the overrun mode, the ME control unit switches off the fuel injection valves which are dependent on the coolant temperature as well as on the gear and rpm, if:

The fuel injection valves are switched on again when the accelerator pedal is operated.

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