I echo Someguy’s comments. I had a ’91 TE 4-matic. Endless problems. After too many trips to the repair shop, I traded the car for a new ML. Took a beating on the value and never looked back. Actually I did look back as I really like the 124s so ended up buying a 400E about 6 months later.
'00 ML320 "Casper"
'92 400E "Stella"