I tell people to change the fluid at 30k and then allow me to monitor it. If you have waited this long, it is a toss-up. If you do have it done, the adaptations will change and it could improve or hurt the shifting of the tranny.

Let us know how it turns out.

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Benzmac:
Donnie Drummonds
ASE CERTIFIED MASTER AUTO TECHNICIAN
MERCEDES SPECIALIST 11 YRS