Preparation For Test (Section 22)

1. Turn ignition OFF.
2. Remove diagnostic module (OBD II, N59/1).
3. Connect socket box with test cable according to connection diagram. See Fig 1 or Fig 2 .

For special tool and connector identification, see Fig 3 and Figure .

Fig 1: Connecting Socket Box To OBD-II Diagnostic Module (Model 129)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Connecting Socket Box To OBD-II Diagnostic Module (Model 202)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Electrical System Special Tools

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.