Get a spark tester.
http://www.google.com/images?um=1&hl=en&rls=com.microsoft%3Aen-us&tbs=isch%3A1&sa=1&q=ignition+spark+tester&btnG=Search&aq=f&aqi=&aql=&oq=&gs_rfai=

If it shows spark = the old coil was weak, and the spark plugs are flooded.

Replace the spark plugs with:

Item Number: 0031591003
Main Category: MERCEDES BENZ
Sub Category:
Description: W9DCO, BOSCH, these are "NOT" resistor spark plugs
Weight: 0.190





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__________________
ASE Master Mechanic
asemastermechanic@juno.com

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Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
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1983 300D
1984 190D
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2002 Honda Civic

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