Timing chain.
Transmission fluid... yes... change them out every 30,000 miles or ever
60,000 if lazy... You buy temporary dipstick online on ebay or at the
dealer... You need to buy replacement red lock tab... you have to break it
off to gain access to the tube.
Digital time and shifter as in missing part of digit is a common problem. If
you are talking about nothing lighting up, check fuses.
>> Stay informed about: 2002 E320...some questions...