⚠️ Smart overview
Smart has sold petrol fortwo/forfour models in Great Britain and now offers the electric Smart #1. Legacy petrol Smarts have small tanks and high forecourt confusion risk with larger vehicles; electric Smarts have no fuel tank.
Service portal
Mercedes-Benz WIS / Smart service literature (authorised agents)
Fuel system notes
- Petrol fortwo tank is small — complete drain still required after misfuel.
- Smart #1 is battery-electric — no petrol or diesel filler.
- Procedures follow Mercedes-Benz Group workshop standards.
Model index
Select a model for misfuel and fuel contamination procedures:
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Frequently asked questions
Is Smart still petrol in the UK?
New UK Smarts are electric (#1); used fortwo/forfour petrol remain on the road.
Who services Smart fuel systems?
Mercedes-Benz authorised repairers and specialists with WIS access.
Need professional misfuel recovery?
Find a certified operator or read consumer guidance for your next steps.
Find an operator Consumer guidance