Use some diesel additive to prevent gelling. I don't know if Power Service products are available in your area, but they have an additive that will literally ungell, gelled fuel. If you'regoing to be doing errands let the car idle.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member