In August 2008 MBUSA followed Daimler (may 08) & stated that 3353 was no longer a valid fluid for the 722.9 series trans.

Trans fluid spec for 722.9 is 236.14 & only Fuchs 4134 & DSH (Shell Germany) 4134 is approved.

4134 is a much higher viscosity fluid with greater temp ranges & higher load range.

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