New engine mounts, last year - went out and swapped it around, letters facing front, are the belts directional by any chance?

Under closer inspection one of the V lines looks closer to the edge than otherside, it also looked very slightly chaffed.

I thought it may have been the extra load on PS pump when turning causing belt to slip, doesn't do it when stationary though.

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David


1996 Mercedes S124 E300TD - 129k - rolling restoration project -

1998 Mercedes W210 300TD - 118k (assimilated into above vehicle)