Version ME2.1

ME-SFI [ME] vehicle features
Version ME-SFI 2.1

Engine 104.941/943/944/991/994 as of 1.8.96
Engine 104.995 (USA) (J)
Engine 111.975 as of 1.8.96
Engine 111.943/944/973
Engine 111.974 (USA)




Position of ME-SFI 2.1 control module connectors with 6 connectors (A - F)
Connector A -D attached to vehicle
Connector E and F attached to engine

Special functions/components of ME-SFI version 2.1 compared to ME-SFI version 1.0:
- ME-SFI 2.1 control module with 6 connectors
- Hot film mass air flow sensor with integrated intake air temperature sensor (rectangular connector, round bayonet lock discontinued)
- Models with engine 111, air conditioning and electric suction fan: fan control by means of ME-SFI control module
- Starter recognition through circuit 50
- Starter control on model 170 and model 202 with engine 111
- Intake manifold changeover with engine 104
- Boost pressure control, compressor control on engines with turbocharging
- Twin-spark ignition coils with engine 111 and 104
- Reversing with modified pedal value sensor characteristic
- Secondary air injection engine 104 and engine 111 (J) (USA)
- Exhaust gas recirculation on engine 111.974 (USA
- GND of O2 sensor signals increased by 0.268 V compared to general vehicle ground
- CAN-compatible instrument cluster required (programmed with HHT in accordance with vehicle version)
- Coolant temperature sensor with 2-pin plug connection, modified characteristic
- Body acceleration sensor for analyzing a regular running discontinued. Rough road recognition signal through CAN from ETS/ASR/ESP control module
- Various drive authorization systems:
DAS 2a: transponder technology, in model 170 as of approx. 2/97 in addition with remote trunk lid release (DAS 2b)
DAS 3: model 208 and model 202 as of approx. 2/97 with electronic ignition key and electronic ignition switch EIS control module.
(USA)Drive authorization system with infrared system.
Exterior receivers on front doors and at rear.