An electric wheelchair with a raising function, with a base body, at which a seat surface part comprising a seat surface and a backrest part with a backrest are adjustably arranged, wherein the seat surface part and the backrest part are adjustable relative to each other or to the base body between a sitting position, in which the seat surface is arranged approximately horizontally and in which the backrest and the seat surface are arranged approximately perpendicular to each other, and an upright position, in which the seat surface and the backrest form an approximately vertical supporting surface, wherein the seat surface part and the backrest part are adjustable relative to each other and to the base body between the sitting position and a lying position, in which the backrest and the seat surface forms an approximately horizontal lying surface, with an electromotive adjusting device for adjusting the backrest part and the seat surface part relative to each other or to the base body between the sitting position and the lying position and between the sitting position and the upright position, with a headrest part connected to the backrest part with a headrest and with armrests, which are connected to the backrest part, characterised by mechanical coupling means, which are formed and connected to the headrest and to the armrests in such a way that, when the backrest is adjusted from the sitting position into the lying position, the headrest is adjusted relative to the backrest from a headrest sitting position into a headrest lying position and the armrests are adjusted relative to the backrest from an armrest sitting position into an armrest lying position, wherein the coupling means comprise an adjusting element, which is arranged and operatively connected between the base body and the backrest part in such a way that the adjusting element is moved from a first position into a second position, when the backrest part is moved from the sitting position into the lying position, wherein the adjusting element is connected to the headrest part and an armrest part in such a way that, when the adjusting member is moved from the first position into the second position, the headrest is adjusted from the headrest sitting position into the headrest lying position and the armrests are adjusted from the armrest sitting position into the armrest lying position. with a base body, at which a seat surface part comprising a seat surface and a backrest part with a backrest are adjustably arranged, wherein the seat surface part and the backrest part are adjustable relative to each other or to the base body between a sitting position, in which the seat surface is arranged approximately horizontally and in which the backrest and the seat surface are arranged approximately perpendicular to each other, and an upright position, in which the seat surface and the backrest form an approximately vertical supporting surface, wherein the seat surface part and the backrest part are adjustable relative to each other and to the base body between the sitting position and a lying position, in which the backrest and the seat surface forms an approximately horizontal lying surface, with an electromotive adjusting device for adjusting the backrest part and the seat surface part relative to each other or to the base body between the sitting position and the lying position and between the sitting position and the upright position, with a headrest part connected to the backrest part with a headrest and with armrests, which are connected to the backrest part, characterised by mechanical coupling means, which are formed and connected to the headrest and to the armrests in such a way that, when the backrest is adjusted from the sitting position into the lying position, the headrest is adjusted relative to the backrest from a headrest sitting position into a headrest lying position and the armrests are adjusted relative to the backrest from an armrest sitting position into an armrest lying position, wherein the coupling means comprise an adjusting element, which is arranged and operatively connected between the base body and the backrest part in such a way that the adjusting element is moved from a first position into a second position, when the backrest part is moved from the sitting position into the lying position, wherein the adjusting element is connected to the headrest part and an armrest part in such a way that, when the adjusting member is moved from the first position into the second position, the headrest is adjusted from the headrest sitting position into the headrest lying position and the armrests are adjusted from the armrest sitting position into the armrest lying position.