Yes you can remove the oil pan in the car!
I do that all of the time on my race car. Takes me about 2 hrs to R & R. On your car with AC the factory time is 4.5 hrs!
MAKE sure to remove the coolant hoses when lifting the motor off of the motor mounts.

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MERCEDES Benz Master Guild Technician (6 TIMES)
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190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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