Mercedes-Benz EIS Test Platform Connection Manual:
This is the connection manual of Mercedes EIS test platform for W211 W209 W203 W221 W169 W164 W204.
W164, W221 connection:
W210, W208, W202 connection:
W209, W211, W169 connection:
W639, W203 connection:
W204, W207 connection:
This needs to connect to the car’s ESL for test