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Removal and Installation of Ignition Switch
 
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Pelican Technical Article:

Removal and Installation of Ignition Switch

Time:

30 minutes30 mins

Tab:

$20 to $120

Talent:

*

Tools:

Flathead screwdriver, large paper clip

Applicable Models:

Mercedes-Benz R107 (1973-80)

Parts Required:

Ignition switch

Hot Tip:

Disconnect battery

Performance Gain:

The ability to start you vehicle

Complementary Modification:

Replace the hazard switch

Over time, the ignition switch can fail. In rare instances, the key can break off inside. If either one of these occur, the ignition switch has to be replaced. You can have your car towed to a service garage where they may charge you a few hundred dollars to repair and replace the switch or you can do it your self. It is actually very easy. There are a few techniques that come in handy. The only tools you will need are a flathead screw driver and a paper clip.

Before you do any work on your car it is important that you wear safety glasses, work gloves. Protect your eyes, hands and body from dust, debris as well as sharp objects and edges while working on your vehicle. Disconnect the battery before beginning work. Never work on your vehicle if you feel the task is beyond your ability.

Using a flathead screwdriver, lift off the chrome cover from the ignition switch.
Figure 1

Using a flathead screwdriver, lift off the chrome cover from the ignition switch.

Turn the key to the second position.
Figure 2

Turn the key to the second position. That would be the position that turns on the auxiliary power and instrument cluster.

There will be an access hole that is approximately a millimeter or two in diameter.
Figure 3

There will be an access hole that is approximately a millimeter or two in diameter. It is just wide enough for a large paper clip to fit in. Press the clip until you feel a click. This will force the keyway to depress and allow the shroud to be unscrewed.

Unscrew the key shroud.
Figure 4

Unscrew the key shroud.

The ignition switch can now be pulled out.
Figure 5

The ignition switch can now be pulled out. 

You will notice in this picture that the keyway is depressed when the paper clip is inserted.
Figure 6

You will notice in this picture that the keyway is depressed when the paper clip is inserted.

Notice how the keyway engages when the paperclip is removed.
Figure 7

Notice how the keyway engages when the paperclip is removed. The switch is now free to replace. Installation is the reversal of removal.

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Comments and Suggestions:
Hector Mendez Comments: I'm looking for the Ignition switch of my Mercedes E-420 1997 Vin# WDBJF72F1VA516252.Doyou have it. What the cost?
May 12, 2016
  Followup from the Pelican Staff: See here:

http://www.pelicanparts.com/cgi-bin/ksearch/pel_search_2014.cgi?SUPERCAT_FLAG=Y&make=MBZ&Context_make=&please_wait=N&LastVisited_input=3857&Previous_Section=&forumid=&threadid=&command=DWsearch&description=ignition+switch&I1.x=0&I1.y =0

Give our parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.
- Nick at Pelican Parts
 
Sailorgeorge Comments: I have a 190 e 2.3l 1991. The ignition switch jammed and trying to get it to unlock I broke my key in it how do I remove it without first being able to turn it to unlock the steering and trans
September 12, 2015
  Followup from the Pelican Staff: The trouble is, the key needs to be used in conjunction with a special tool to remove the lock cylinder. The other option is to drill it out and replace what is damaged. - Nick at Pelican Parts  

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Page last updated: Mon 12/5/2016 03:05:24 AM