1991 Mercedes Benz 560sec engine struggles starting out fro

1991 MERCEDES BENZ 560SEC
118,000 MILES • V8 • 2WD • AUTOMATIC
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WMAYRES163
  • MEMBER
  • 2 POSTS
valve job, timing chain, etc. 88,000 mi.
30,000 service, plug wire set, rotor cap,etc. 118,000 mi.

Car still misses starting out and from stops 50% of
time.
Jul 27, 2010 at 3:10 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

Thank you for the donation,

Check if they used a resistor type spark plug, if so change them as the resistor type plug is know to cause tune issues with some Benz engines.

mark (mhpautos)
Jul 28, 2010 at 12:27 AM
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