I guess you are talking about to remove the ignition cable from connecting with spark plugs, you just need to pull it out by hand, pls don't hold the cable but to hold the boot (end) and pull it out, same for the both end.
http://mercedesshop.com/Wikka/W201IgnitionSwitch
how remove cylinder head
A Mercedes 190e doesn't have a carburetor. They are fuel injected.
Maybe brake shift cable from brake to gear shifter?
oil filter on a Mercedes 190E 1986 is in the back of engine
Open the bonnet, remove the scuttle cover, wiper motor, and finally blower motor.
On my 1984 190E, it is simple - there are a couple of tabs at the bottom of the back seat (where your heels would be if you were sittng), you have to look, the seat will pull right out!
The auxiliary fan on a Mercedes is located in front of the radiator. To remove it, one should remove the wiring connection from the fan first, then unscrew the bolts holding the fan in place.
how to remove ignition barrel merc 1995 200e estate
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How do you remove a radio from a 190E?
Remove the air filter, And its located right in the back.