From a tech. C43 hands down. This is a rock solid platform. Great engine and transmission combo.

You can install a supercharger and get over 400 RELIABLE Hp out of it.

No head gasket issues. Parts are readily available for the engine. Unlike the C36.

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Benzmac:
Donnie Drummonds
ASE CERTIFIED MASTER AUTO TECHNICIAN
MERCEDES SPECIALIST 11 YRS