No they dont.
About 2 gallons
You can find a vacuum hose routing diagram for a 1988 Mercedes 190e 2.3 in the owner's manual. You can also find it at various auto part stores.
The car company that produced the 190E model is Mercedes-Benz. This model was produced by Mercedes-Benz from 1982 through 1988 and again from 1991 through 1993.
Depending on the spark plug manufacturer, the plugs for a 1988 Mercedes 190E 2.3 should be gapped between .030" to .032". Bosch and Denso recommend .032", while NGK recommends .030".
On the passenger side in front of the rear wheel. It is cover with a black cover. Remove it and there is the fuel filter along with the two fuel pumps.
there is no release you just push on the door near the hinge and it opens
Lift up the rug /mat in the console. remove the screw holding it down. They pop out easily once the panel is lifted up.
Pop the hood - it's a black box by the brake fluid tub.
Remove the covers from your 1988 Mercedes-Benz 300 speakers. Remove the speaker retaining screws. Remove the wiring harness from the back of the speakers.
E-Bay? Hemmings Motors? Salvage Yard?
crank position sensor is between oil filter and starter, follow wire from module