Mercedes Sprinter: Ordered the 180 Liter / 47.5 Gallon Fuel Tank for the 144-Inch Sprinter
I’ve paid as of today, waiting for shipment info on Feb 7.
Mercedes of Reno did the install. Ask for Kwanny (service manager) if you also want an install. Please let him know that you heard about it at Lloyd Chambers' WindInMyFace.com.
My writeup now includes installation glitches, and pictures and a rough cost summary.
Mercedes Sprinter: Installing a Higher Capacity Fuel Tank (ACGB Tanks)

ACGB 180 liter Fuel Tank for Mercedes Sprinter: as installed on 4x4 144-inch wheelbase, underbody view

ACGB High-Capacity Fuel Tank for Mercedes Sprinter