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  #1  
Old 11-25-2014, 02:39 PM
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Feasibility of successfully replacing starter 1976 240d

Hello! My starter on my 1976 240d is going out. I've decided to buy a whole new unit and put it in myself. Looks a little hard to get to though with it being right up against the block, but from what I've read, it can be done with a 10mm Allen wrench. Tips/recommendations are greatly appreciated! Thanks in advance!
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Old 11-25-2014, 03:39 PM
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Should be info in the:DIY Links by Parts Category - PeachParts Mercedes ShopForum

Most People do it with an Allen Socket and a bunch of 1/2" Extensions connected together with a Breaker Bar on the end.
The sockets in the Allen Head Bolts need to be clean of anthing that prevents the Allen Head Socket from going all the way into the hole. The tip of the Allen Head Wrench needs to be flat or barley rounded so all of the Hex Part of the tip fits into the hole to get the maximun surface of the Hex into the hole/socket of the Allen Head Bolt.

Cleaning the holes/socket ends of the Allen Head Bolts is the same for all of the Allen Head Bolts on the Mercedes and having a flat end Hex Bit on the Allen Head Wreanch is also the best idea so that all of the Hex surface gets inside of the Allen Head Bolt to decrease the chance of stripping the Bolt Head.
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Old 11-25-2014, 04:06 PM
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On my 1980 I took it out from the top....
I think I had to take out the battery and disconnect some wires..
but then I turned it up straight and pulled it out .....
it was so much nicer than dealing with a car with a turbo in the way....
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Old 11-25-2014, 05:13 PM
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Sounds like you're a rookie at this so I'll state Step #1.......

DISCONNECT THE BATTERY CABLES!!!!

Otherwise you'll find yourself learning arc welding as well as starter replacement. You WILL get high-amperage sparks going to places you didn't know were there.

The rest of it is pretty straightforward. Pull the wiring off the starter, pull the attaching bolts, and slide the starter out, either from the top or bottom. I find it easier from underneath but I have a hoist.

Dan
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Old 11-25-2014, 05:49 PM
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One of my most useful tools in the shop is a 3' long 3/8" extension. I drop the back of the transmission and go in over the top side of the transmission with it. Use this same method to remove the fasteners holding the transmission on too.
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Old 11-25-2014, 07:13 PM
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Should be straight forward, from the top of the engine, as mentioned, basic safety is always employed, but you know that.

Even tho after replacing a few starters, I haven't bothered to disconnect the battery...
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Old 11-25-2014, 09:01 PM
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+1
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