Right first thing. NEVER EVER post pictures that big again!! (over 2 mb). Second, thats the thermo vacuum valve you broke the tops off. Availible from any dealer for about 25 bucks I'd say.
http://www2.maximumautoparts.com/parts/parts1/maximumautoparts/wizard.jsp?year=1990&make=MB&model=190-E-004&category=B&part=Thermo-Vacuum+Valve&appEngines=_any
Mike.
http://www2.maximumautoparts.com/parts/parts1/maximumautoparts/wizard.jsp?year=1990&make=MB&model=190-E-004&category=B&part=Thermo-Vacuum+Valve&appEngines=_any
Mike.