I have a E300D and have ordered the block heater cord. However, since the plug is just adjacent to the exhaust manifoid, I would like to know the best way to rout it from the plug it to the bumper flap, without burning it on the exhaust etc. Any help will be appreciated. I had a '87 190 TD that I installed a plug for but I ran it under everything except for the undershield. Let me know your combined experience.

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hlg