Questions on some things on MB document.

1992 300D 2.5 turbo

1. MB Maintenance Booklet, page 9.

Battery - add distilled or tab water


---> Why add water to battery?



2. Owner's Manual, page 83.

Important!

When installing new wheels the mounting bolts must be retightened after approx. 60 - 300 miles. Observe tightening torque of 80 ft. lb (110 Nm).

----> I talk to a tech in a dealer about this retightening, but he did not know it.