G-Class transmissions overview

engine	#	years offered	used in	model
		.
M 102 E 20	102.964	1986/1990	460	200GE I-4
M 102 E 20	102.965	1990	463	200GE I-4
M 102 E 23	102.987	1982-1989	460	230GE I-4
M 102 E 23	102.979	1992-1997	461	230GE I-4
M 102 E 23	102.989	1990-1994	463	230GE, G230 I-4
.
M 115 high compression code752	115.973	1979-1986	460	230G I-4
M 115 low compression	115.973	1979-1986	460	230G I-4
.
M 110	110.994	1979-1989	460	280GE I-6
.
OM 616	616.936	1979-1987	460	240GD I-4
OM 617	617.931	1979-1989	460	300GD I-5
.
OM 602 D 25	602.931	1987-1992	460 / 463	250GD, G250D, I-5
OM 602 D 29	602.942	1992-1996	461	290GD I-5
OM 603 D 30	603.931	1988-1991	463	300GD, G300D, I-6
OM 603 D 35 A	603.972	1991-1996	463	350GDT, G350DT, I-6
OM 602 DE 29LA	602.983	1997-2001	461	290GDT I-5
OM 606 D 30LA	606.964	1996-2000	463	G300DT I-6
.
OM 612	612.	2001-now	463	G 270 CDI
OM 628	628.962	2000-now	463	G 400 CDI
.
M 103 E 30	103.984	1990-1993	463	300GE I-6
M 103 E 30	103.987	1993-1998	463	G300 I-6
M 104 E 32	104.996	1994-1997	463	G320, G3.6 AMG I-6
.
M 117		1993-1994	463	500GE V-8
M 112 E 32	112.945	1997-2000	463	G320 V-6
M 113 E 50	113.962	1998-now	463	G500 V-8
M 113 E 55	113.980	2003-now	463	G55 AMG V-8

repair manuals for most of theses engines are available here

I am not certain about the OM606 engine model number - is it really 602.964?
Can someone with more knowledge help?