Which motor do you have? There is a 3Litre and a 3.2Litre that year.Two types fuel systems and problems.The 3L M103 motor has a distribitor cap and plug wires you can see.
The M104 24 valve has no visable plug wires
Rich

__________________
88 300E White, sold 9-04
88 190E Black 2.3 sold
90 300CE White, Grey sold 12-24-04
92 400E White,Grey Sold 5-06
90 300CE 91K Signal Red,Black Sold 2007
1989 300CE Smoke silver,Tan Sold 1-08
1993 300E 3.2 M104 motor
1991 300CE White,Grey
1994 E420 beautiful car,gone to new home
1994 E320 Smoke an Parchment.Beautiful car