check your transmission oil level!!
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".
there is no release you just push on the door near the hinge and it opens
Pop the hood - it's a black box by the brake fluid tub.
E-Bay? Hemmings Motors? Salvage Yard?
crank position sensor is between oil filter and starter, follow wire from module
yes, in park, at operating temperature (let it warm up for about for about 5 minutes)
I could be something as simple as a vacuum line off. I had overheating issues on my 1991 190E and found a vacuum check valve broken. Look near the passenger side of the engine.
Located on the back side of the front license plate holder. Pencil shaped with a long black wire.