Remove & Replace Benz Electrical Ignition Switch ( EIS ) Instructions

The ignition switch on your Mercedes is coded to the vehicle, so you will have to reprogram the system for the computer to recognize it. The switch itself is easy to remove but you must first remove the steering wheel, steering column tube module and the trim around the gauge cluster.

Applies to : C350 (2007-14), C180 (2007-14), C200 (2007-14), C230 (2007-14), C250 (2007-14), C280 (2007-14), C300 (2007-14), C320 (2007-14)

Today , lets introduce how to replace Benz W204 electrical ignition switch as following :

The switch itself is easy to remove but you must first remove the steering wheel (red arrow) steering column tube module (yellow arrow) and the trim around the gauge cluster (green arrow).

Please remember before removing the airbag and steering wheel to disconnect the ground cable and wait 30 minutes for the electricity to dissipate from the system.

With everything removed you can get access to the switch module from behind the dash (red arrow),but first you need to remove the trim piece the front (yellow arrow).

While Mercedes sells a special tool for removing the trim piece (red arrow) you can do it with two thin flat head screwdrivers.There are plastic notches on the inside to the trim piece;insert the two screwdriver until they are seated against the notches and then turn the piece counter clockwise.Make sure the screwdriver are seated well so you do not risk scratching the trim piece.

Remove the module by reaching in and pushing down on the module with your left hand (red arrow) while pressing in from the front (yellow arrow) with your right hand.

Slightly turn the unit and press in the tabs on the electrical connections (yellow arrows) and separate the connections from the module.

If you have an automatic transmission you will need to remove the lock out cable.Turn the unit so you have access to the cable on the top.Squeeze in the two clips (red arrows) and slide the cable forward (yellow arrow)

You can now slide the lock out tab up and out from the ignition module (red arrow)

Installation of the new unit is the reverse of removal.Remember you will need to have the vehicle programmed to accept access to the new EIS (ignition switch module).

Finished now

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MB SD Connect Compact 4 Star Diagnosis Tool Plus Dell D630 Laptop Latest Version 2017.09

MB STAT C4 Plus Dell D630

5-1

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3-1
MB SD Connect C4:
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2.Software Version: 2017.09
3. Hardware Verison:  V2.2
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5. Support Mercedes Benz Cars After Year 2000
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MB SD C4 Support Mercedes Benz Cars After Year 2000

Passenger Car Support List:
A(176),  A(169),  A(168),  B(246),  B(245),  CLC(117),  C(204)  C(203),  C(202),  190(201),  E(212),  E(211),  E(210),  124(124),  S(222),  S(221),  S(220),  S(140),  S(126),
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CL(215),  CL(140),  SLK(172),  SL(231),  SL(230),  SL(129),  SL(107),SLS(197),  M(166),  M(164),  M(163),  G(460),  GL(164),  GLK(204),  R(251)

Van Support List:
MB 100(631),  T1,  SprinterIII,  SprinterII,  SprinterI,  Sprinter900,  Citan,  Vito(639),  Vito(638), V(638),   Viano(639),  T2,  Vario,  Vaneo(414)

Truck Support List:
Actros963/4,  Actros2,3,  AtegoIII,  AtegoII,  AxorII,  Eonic,  Zetros,  Actros,  Atego Light,  Atego Heavey,  HPN M96,  Atron,  HPN M2000,  SKL,  FSK,  Further model series

Unimog Support List:
U20,  UGN,  UHN

Bus Support List:
TRAVEGO,  INTOURO,  INTEGRO,  CITARO,  CAPACITY,  CITO,  TOURISMO,  O350/O403, CONECTO,  O404,  O405-O408,
Minibus,  OC500,  TOURO,  TOURINO,  MBC,  MULITEGO,  O500,  O500/OH,  OH,  OH368,  OF,  OF384,  LO,  O400,
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Super Sports Car Support List:
SLR(199)

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