Mercedes-Benz Forum - View Single Post - Fan Clutch Toast!! Ordered Remanufactured MB
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post #45 of (permalink) Old 06-07-2016, 03:46 PM
tjts1
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Date registered: Apr 2009
Vehicle: 87 300D 5 speed
Location: The slums of Beverly Hills
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Quote:
Originally Posted by geordie View Post
I got scared once while stuck in traffic while driving the E320 cab, the temp gauge started flirting with the red zone. Fortunately the top was down and the AC was off.
I bought a device called a "cool harness" which is basically a resistor that goes in parallel with the coolant sender to bring the aux fans in at 95 Celsius.
It seems to work very well - no more scares.
That is a really good solution on the later w124s with dual aux fans. Those 2 pusher fans while not ideal are powerful enough to cool the engine on their own IF triggered early with the cool harness. On early w124s with the single aux fan you're shit out of luck. On the w210 MB did a cheap cheat and only used one fan motor while driving the second with a small belt off the first. It's a crap setup.

Last edited by tjts1; 06-07-2016 at 03:51 PM.
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