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#1
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1991 300 Sl
91 300 SL with 80,000 miles.
The car bogs as if it is starving for fuel or possibly air when the outside temperature is hot (>85). The problem has nothing to do with engine temp. I've replaced all normal tune-up parts, the fuel distributor, the voltage overload relay as well as the air temp sensor. The car has been serviced by 5 shops including dealerships in San Antonio and Austin. Its been mentioned that a faulty control unit will malfunction when it gets hot. Anyone have any ideas? Thank you. |
#2
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This is a somewhat common problem on the 300SL & 300CE, both use the same engine! Several things can cause the same problem, but the most common are the Flywheel(crank) sensor & the ignition coil!
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
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