"G7" was a member of the 10th Half Flotilla of V torpedo boat flotilla of the German High Seas Fleet on the outbreak of war. On 28 August 1914, the British Harwich Force, supported by light cruisers and battlecruisers of the Grand Fleet, carried out a raid towards Heligoland with the intention of destroying patrolling German torpedo boats. The German defensive patrols around Heligoland consisted of one flotilla (I Torpedo Flotilla) of 12 modern torpedo boats forming an outer patrol line about North and West of Heligoland, with an inner line of older torpedo boats of the 3rd Minesweeping Division at about . V Torpedo boat flotilla, including "G7", together with four German light cruisers waited near Heligoland.