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CODECARD 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 oldercars <2007 - with 9S12 processor, in new cars 2007+ - EZS with AMAZONAS processor. MercedesCAN 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 solderfirst configuration points. Use fine KYNAR wire for installation.

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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: 

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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 carefullyto EZS casing.

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2.  Mercedes C-class W204 installation instructions.

In these models Mercedes use new EZS with NEC processor marked IRLAND or HAVANNA (alsonamed 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 andsolder second configuration points like in pictures.

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Remove EZS board from casing. Carefully disconnect board from mechanic – look on picture.

Remove from EZS board SMD part marked with red “ X ”. With short, good isolated wire connectMercedes 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).

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 After connection insulate Mercedes CAN filter board with heat shrink or insulation tape. Put it carefullyto EZS casing.

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3.  Mercedes E-class W212 installation instructions.

In these models Mercedes use new EZS with NEC processor marked JURA (also named EIS-electronicignition 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 andsolder second configuration points like in pictures.

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Remove EZS board from casing. Carefully disconnect board from mechanic – look on picture.

Remove from EZS board SMD part marked with red “ X ”. With short, good isolated wire connectMercedes 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).

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 After connection insulate Mercedes CAN filter board with heat shrink or insulation tape. Put it carefullyto EZS casing.

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4.  Mercedes S-class W221 installation instructions

Mercedes W221 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 removeEZS from car.

•  For first prepare Mercedes CAN filter board: check - resistor 121 must be soldered andsolder second configuration points like in pictures.

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Remove from EZS board SMD part marked with red “ X ”. With short, good isolated wire connectMercedes 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 S-class W221 Type 1: 

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Mercedes S-class W221 Type 2: