SMELECOM Mercedes CAN filter connection manual
1. Mercedes ML W164, GL X164, R-class W251 installation
instructions
In these models Mercedes use 2 kinds of EZS (also named EIS-electronic ignition switch):
in older cars <2007 - with 9S12 processor, in new cars 2007+ - EZS with AMAZONAS
processor. Mercedes CAN filter will work with both EZS types. For installation remove
EZS from car.
For first prepare Mercedes CAN filter board: remove resistor marked in picture and solder
first configuration points. Use fine KYNAR wire for installation.
Remove from EZS board SMD part marked with red “X”. With short, good isolated wire
connect Mercedes CAN filter to EZS board according picture: 1-1 (C1H), 2-2(C1L),
3-3(C2H), 4-4(C2L), 5-5(GND), and 6-6 (+5V).
Mercedes ML W164, GL X164, R-class W251 Type 1:
Mercedes ML W164, GL X164, R-class W251 Type 2:
After connection insulate Mercedes CAN filter board with heat shrink or
insulation tape. Put it carefully
to EZS casing.
2. Mercedes C-class W204 installation instructions.
In these models Mercedes use new EZS with NEC processor marked IRLAND or HAVANNA (also
named EIS-electronic ignition switch). Mercedes CAN filter will work with both EZS types. For
installation remove EZS from car.
For first prepare Mercedes CAN filter board: check - resistor 121 must be soldered and
solder second configuration points like in pictures.
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SMELECOM Mercedes CAN filter connection manual. 1. Mercedes ML W164, GL X164, R-class W251 installation instructions. In these models Mercedes use 2 .
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