Hey all, wondering if Mercedes intended (designed) the block heater to be on all the time, or intended for a timer? It is not thermostatically controlled, but the element is small so max temp is likley low...
So, what do you do?
For those with timers, how long does the heater take in single digits and below to get her warm?
Thanks!
First winter with a 300D..
Nat

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Feelstranger
My Wheels
1991 Audi 200 20V Avant
1991 VW Westfalia Syncro/Audi I5
1983 Mercedes 300D turbo
1972 Kawasaki H1 500 Mach III
1970's Limongi/Campy road racing bike
1942 Old Town sailing canoe