The bolts on the Bell Housing are 17mm heads.
The nut the holds the battery cable is a 13mm head.
The little one for the solonoid, I believe is a 10mm wrench.

Little late but I just saw the question.

__________________
Mostly, I don't know notin, I just know where to look.
I am looking back, to over 30 years in Electronics Design.
Electrons don't care if they move in a car, computer or relay!

95 W124 E320 M104.992 - Because, I love to repair, naaaah!
Over 221,000 Miles
Cheers,
Norbert