If any of you already read my other post today, you probably know why I'm typing this one right now.

I want to get a new alternator for my 1989 300ce. Here is some information on my alternator:

Engine ----Model-----Year --------Application ------ Amp kW/HP --- Sys Mf ----Plug Conf. ---- Reman Alt.
3.0l-L6 --- 300CE --- 89-88 ------ Bosch 70A ------- 70------------ BO -------- B15 ---------- AL65X --------(*108)

BO=BOSCH

*108 -BOSCH/VALEO Notice of Interchangeability
This alterantor came as original equipment in both Bosch and Valeo versions. The two types of units are different in physical appearance, but are totally interchangeable in both fitment and appearance.


Voltage Regulator Plug Identification


Here are the highest output alternators Mercedes makes that I was able to find. All 150A :

Engine -----Model-------Year --------Application -------- Amp kW/HP --- SysMf --Plug Conf. - Reman Alt.
4.3L-V8 --- C43 ------- 00-98 ------- Bosch 150A ---------- 150 -------- BO ---- B19 ------- AL0766X
4.3L-V8 --- CLK430 ---- 01-99 ------- Bosch 150A ---------- 150 -------- BO ---- B19 ------- AL0766X
4.3L-V8 --- E430 ------ 01-98 ------- Bosch 150A ---------- 150 -------- BO ---- B19 ------- AL0766X
5.5L-V8 --- E55 ------- 00-99 ------- Bosch 150A ---------- 150 -------- BO ---- B19 ------- AL0766X
5.5L-V8 --- CL55 ------ 02-01 ------- Bosch 150A ---------- 150 -------- BO ---- B19 ------- AL0766X
5.5L-V8 --- S55 ------- 02-01 ------- ALL 150A ------------ 150 -------- BO ---- B19 ------- AL0766X
5.0L-V8 --- SL500 ----- 01-99 ------- Bosch 150A ---------- 150 -------- BO ---- B19 ------- AL0766X


Engine -----Model-------Year ------Application-------------Amp kW/HP ----SysMf --Plug Conf. - Reman Alt.
5.0L-V8 --- CL500 ------ 01-99 ---- Bosch 150A ---------- 150 ----------- BO ---- B19 --------- AL0768X
4.3L-V8 --- S430 ------- 01-00 ---- Bosch 150A ---------- 150 ----------- BO ---- B19 --------- AL0768X
5.0L-V8 --- S500 ------- 01-00 ---- Bosch 150A ---------- 150 ----------- BO ---- B19 --------- AL0768X


Engine -----Model-------Year ------Application------------Amp kW/HP ----SysMf ---Plug Conf. - Reman Alt..
5.5L-V8 --- ML55 ------ 01-00 ----- ALL 150A ------------ 150 ---------- BO ----- B19 --------- AL0785X
4.3L-V8 --- ML430 ----- 01-99 ----- Bosch 150A ---------- 150 ---------- BO ----- B19 --------- AL0785X


Voltage Regulator Plug Identification


Cross Reference
Bosch = Mercedes
AL0766X = 0-123-520-006
AL0785X = 0-123-520-012
AL0768X = 0-123-520-017

Which one of these will fit?
What modifications might I have to do to the pulley or plug or anything else?
Are the brackets from my alternator the same size as the 150A versions?

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1989 300CE Astralsilber/Schwarz
1992 300CE Schwarz/Schwarz