Transmission Service
MB Dealer will (should) drain most of the oil as they empty torque converter......
That indy shop you went to.....never return. That's not only more expensive than a dealer but chances of them doing it properly is very low. There is a quite detailed procedure to do this service on these cars and unless the Indy shop has experience or has serviced this car before they probably wouldn't know.




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MB Dealer will (should) drain most of the oil as they empty torque converter......
That indy shop you went to.....never return. That's not only more expensive than a dealer but chances of them doing it properly is very low. There is a quite detailed procedure to do this service on these cars and unless the Indy shop has experience or has serviced this car before they probably wouldn't know.
Did they replace the coils just because or because they were bad? There is no reason to replace them "just because" or as a maintenance item.
Spark plug replacement took me about an hour on my S430 and I'm talking 16 spark plugs......I can't imagine S550 is much harder. But the charge for spark plugs and coils parts and labor for $550 sounds about right (actually a bit low if that includes coil parts)
Did they replace the coils just because or because they were bad? There is no reason to replace them "just because" or as a maintenance item.
Spark plug replacement took me about an hour on my S430 and I'm talking 16 spark plugs......I can't imagine S550 is much harder. But the charge for spark plugs and coils parts and labor for $550 sounds about right (actually a bit low if that includes coil parts)





S430AMG was referring to his S430 with M113 motor.
See attachment...................
Bob





