I need to change turn signal combination switch.

  • 1998 MERCEDES BENZ ML320
  • 180,000 MILES

I need to change turn signal combination switch and need to know how to do it

Monday, December 24th, 2012 AT 1:19 AM

1 Reply

  • 25,476 POSTS

1 Disconnect ground cable of battery
CAUTION: To protect against unwanted contact between the disconnected ground line and the ground (right major assemblies compartment, common ground W16/4, insulate cable lug of ground line.

2 Remove steering wheel
CAUTION: when handling airbag unit improper handling can lead to damage to the airbag unit.

3 Remove clock spring contact
4 Unscrew screws (1) and remove lower steering column molding (2)
5 Remove upper steering column molding (3)
6 Remove covers (12) on left and right
7 Disconnect electrical connectors at the covers (12)
NOTE: Only with left/right folding outside mirror, code 500 and headlamp cleaning system, code 600.

8 Unscrew screw (4) and disconnect connector (9)
9 Unscrew screw (8) and remove cruise control switch (S40)
10 Unscrew screws (5)
11 Pull combination switch (S4) off the retaining webs (6) and remove
12 Install in the reverse order
13 Perform function check

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Monday, December 24th, 2012 AT 2:08 AM

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