SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: Broken bolt on Rear Differential question

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Old 10-05-2015, 01:43 AM
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2016 S63 Coupe & 2014 E550 4MATIC Sedan
Exclamation Broken bolt on Rear Differential question

So, I had a unique issue the other day. I am on some leave from the Navy (I am active duty Military!) so I took my road tripping car, my 2003 SL500 I was driving in twisty and hilly roads, during a storm, and I may have put some undue stress on my rear diff.

The bolt snapped off. Anyone know of a diagram with part numbers for the replacement bolt? I used a caliper to measure, and it is a 14MM bolt, with a 1.5 thread pitch, but am not sure of the proper length or torque specs.

I am not in my normal area with a known good Benz Mechanic, but I am good friends with a certified mechanic who is trying to help me fix the car so I can get back home, 843 miles away.

I have searched the forum but haven't come up with anything yet, I tried a few google searches as well, and not much useful info came up.

Frustrating as all heck!

THANK YOU in advance for any possible assistance you may be able to provide for me, I would greatly appreciate it!
Old 10-05-2015, 02:51 AM
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Do you mean the "8" pieces diff. cover bolts..?

ZAYED,,
Old 10-05-2015, 03:19 AM
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8 pieces total sounds correct based on some photos I saw online?
Old 10-05-2015, 03:34 AM
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These cover bolts should be M10X25,,

part #: "N910105 010009"

Broken bolt on Rear Differential question-n910105010009-1.jpg

ZAYED,,
Old 10-05-2015, 12:01 PM
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Close, but this one had a different head.
Attached Thumbnails Broken bolt on Rear Differential question-20151004_135204.jpeg   Broken bolt on Rear Differential question-20151004_135118.jpeg  
Old 10-05-2015, 03:31 PM
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The picture(which i sent) is old version, when you order these bolts, it will comes Exactly the same photo's you sent..

ZAYED,,
Old 10-07-2015, 04:56 PM
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Thanks!

Originally Posted by cm60k
The picture(which i sent) is old version, when you order these bolts, it will comes Exactly the same photo's you sent..

ZAYED,,
Thank You! Nearest bolt was two states away in the Mercedes Supply System, but we got it and fixed the issue!

Thanks for the help everyone!


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