I owned a 1993 300E several years ago with the 3.2 engine. The 2.8 was an enlarged/reworked version of the 260E engine, while my car was a reworked version of the 3.0 liter 300E engine. Car road like a magic carpet, even much more so, in my opinion, than my w126.

However, I had the head gasket replaced while I owned it (the seepage problem was apparently common on this engine. I don't know whether the head gasket problem applied to the 2.8 engine). Also, the early 90's Mercedes had problems with their evaporators leaking, which would necessitate dash removal. I had this problem, and it cost about $3K to have the dealer replace at the time. Also, the wiring harness was made from recyclable material that prematurely biodegrates. I never had a problem with the wiring harness, but did have electrical issues with the ASR/traction control sensors and the sensor for the alarm in the driver's door lock. Otherwise, the car was a great car. With the car's age, I would also anticipate that the bushings or ball joints on the multilink suspension may need refreshing.

__________________
Brian
'94 E420 - 99K
'12 C300 4 Matic

Previously owned:
'06 CLK 500K Cabriolet
'85 300SD (Old Smokey)
2002 Boxster
2002 C320 (The five-pointed star Mercedes)
1993 300E 3.2 (Dealership's cash cow)
1979 300SD (Chrome beauty)
1983 300D (Old faithful)
1983 240D (Right lane cruiser)
1977 240D (Miracle of bondo)