SMART 453 Series Introduction Into Service Manual page 50

Fuel tank
The fuel tank is located in front of the rear axle viewed in the
direction of travel.
The fuel tank is manufactured using a co-extrusion process
and features six layers of high-density polyethylene (HDPE)
with a block layer of ethylene vinyl alcohol copolymer (EVOH).
View of gasoline engine fuel tank
Introduction of the New smart fortwo coupé and smart forfour | Model Series 453
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The filling capacity of the fuel tank is 28 liters, including a
reserve of 5 liters. A tank with 35-liter capacity is available
optionally.
The expansion volume is inside the fuel tank itself.
For permeation-related reasons, the US version of the tank
features a stainless steel filler neck and the tank has a filling
capacity of 33 liters.
Fuel system
P47.10-2765-00
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