MB got rid of the filled for life service spec recently. Now you need to change it either at 40k or 60k miles. The dash computer should tell you. Its like service A,B,C ect.

The the older 722.6's should have the fluid done every 60k-80k miles.


Using MB trans fluid in our older cars would be a waste of money.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200