I think I'm having the same problem with my '94 E420. Hesitation when starting, but then again, my car sits for several weeks without being started.
Should I spring for the MB battery, or will a DieHard do?
1994 E420, Pearl Black/Black. 2.82 rear diff., AMG front spoiler, painted lower half. SOLD
1972 & 1974 BMW 2002tii's.