What is the difference between Mercedes 1979 280ce m110 motor and a Mercedes 1984 280ge m110 motor?

Internal differences: the GE motor have lower compression ratio so that it can use 95 octane fuel, 156 horsepower. The CE motor is high compression and uses 98 octane fuel, 185 hp (euro spec. engine)

Low comp engine has got flat top pistons

Externally the differences are vicible with the GE engine beeing "waterproofed" and has a different oil pan.

Interchanging engines between cars should be possible if you are a skilled "home mechanic"

Internal differences: the GE motor have lower compression ratio so that it can use 95 octane fuel, 156 horsepower. The CE motor is high compression and uses 98 octane fuel, 185 hp (euro spec. engine)

Low comp engine has got flat top pistons

Externally the differences are vicible with the GE engine beeing "waterproofed" and has a different oil pan.

Interchanging engines between cars should be possible if you are a skilled "home mechanic"