Quote:
Originally Posted by sixto
Don't bother opening the W210 K40 box. It isn't setup like that R170 box. All you'll see is the back side of a PCB with everything attached hidden in the half of the case containing the connectors. I replaced the K40 when the wagon wouldn't communicate with SDS. All the fuses and the external relay were fine. In fact I transferred all the loose bits to the replacement K40. It's chatty with SDS now.
Sixto
98 E320s sedan and wagon
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This is not necessarily true. I reflowed all the solder joints in my K40 to fix a stalling problem.
http://youtu.be/eB0iCiIeH9k
There are several different versions of the k40 on the w210 depending on the engine and model year.