This trick doesn't work on my M104- I ordered a cool harness and it just caused my temp gauge to read wrong and the car hard started from cold.

Once I got to AZ (PHX exactly) it wasn't needed. Car was fine and didn't run any hotter than usual (100C) even idling in traffic at 122 deg- no joke.

Frankly, between this car and my 2002 S10 truck I thought the Benz would have problems with heat- all over the boards everyone complains. My Chevy was the one that had a hard time with this temps....

..........................Then again C36 cooling system is 100% everything works

rjp

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03 540I (GAK!!)
81 280E (W123)
70 LeMans Sport with pissed off Poncho 462"
1989 Silverado Step Side (under the knife- complete restomod)