Two checks: first confirm that the container is intended for petrol; then confirm that the vehicle or equipment is approved for E5 or E10.

What the labels mean in Germany

German fuel labelling distinguishes E5 petrol from E10 petrol by the possible ethanol content. The pump label is designed to identify the fuel grade; it is not a blanket statement about every engine.

A suitable can does not approve the vehicle

German regulations explicitly tell E10 users to check manufacturer compatibility. DAT publishes a vehicle database based on manufacturer information, which is especially useful for older models and exceptions.

Small engines need their own guidance

Lawn equipment and chainsaws cannot simply be treated like cars. STIHL, for example, permits E10 in specified equipment but gives a particular storage recommendation for two-stroke mixtures. Another manufacturer may set different conditions.

Clear labelling reduces misfuelling

ADAC notes that a small fuel-can spout may fit both petrol and diesel filler necks. A precise additional label such as “Super E5” or “Super E10” can therefore be useful, provided the permanent container marking remains visible.

Do not reverse the logic: choose the fuel that the vehicle or equipment is approved to use, then keep that fuel clearly identified in a suitable container.

Frequently asked questions

Does E10 require a different fuel can from E5?

The container manufacturer must permit the intended petrol. Colour and appearance are not enough to establish suitability.

Can every petrol car use E10?

No. Compatibility depends on the specific vehicle. Use the vehicle manual, manufacturer information or a reliable compatibility database.

Should the can itself be labelled E5 or E10?

A clear additional label can reduce mix-ups, but it must not cover or replace the permanent container marking.

Sources for this guide

The following authorities and documents were used for this guide. Where rules change, the current original source takes precedence.

  1. Section 3 of Germany’s 10th Federal Immission Control Ordinance – petrol requirements [German]Bundesministerium der Justiz / Gesetze im InternetRequirements for petrol marketed in Germany and availability of E5 alongside E10
  2. Section 13 of Germany’s 10th Federal Immission Control Ordinance – fuel labelling [German]Bundesministerium der Justiz / Gesetze im InternetGerman E5, E10, B7, B10 and XTL labels and vehicle-compatibility notices
  3. Vehicle E10 compatibility database [German]Deutsche Automobil Treuhand (DAT)Manufacturer-supplied E10 compatibility information for many cars, motorcycles and older vehicles
  4. STIHL guidance on E10 compatibility [German]ANDREAS STIHL AG & Co. KGE10 use in STIHL equipment and a specific manufacturer storage recommendation for E10 two-stroke mix
  5. Wrong fuel in the tank: petrol and diesel mix-ups [German]ADACMisfuelling risks and the particular mix-up risk when using small fuel-can spouts