For professionals using tools like New Trasdata or MPPS, verified pinouts are usually found in comprehensive databases like those on Scribd or through specialized hardware providers like ECU Team Corp .

Note: Always verify the physical connector section numbers on your specific unit, as minor variations exist across Mercedes-Benz models like the W202 or W210. Why Verification Matters

Reversing polarity or applying 12V to a 5V sensor rail can permanently fry the internal EPROM.