Adjustment device, adjustment unit, head-up display and motor vehicle

An adjustment device for adjusting a position and/or an orientation of a reflection device of a head-up display comprising a mirror device, for moving the reflection device of a windshield head-up display to adjust the reflection device, wherein the adjustment device comprises:

• a support structure;
• and
• a clamping device received by the support structure,
• wherein the clamping device is configured to be displaced along a first axis relatively to the support structure,
• wherein the clamping device is guided by the support structure whilst displacement,
• wherein the clamping device is couplable, directly or indirectly, with a drive unit for being displaced along the first axis relatively to the support structure by the drive unit,
• wherein the clamping device comprises a first clamping element and a second clamping element arranged opposite to the first clamping element and forming a clamping gap together with the first clamping element,
• wherein the clamping device is configured to receive and clamp an adjustment lever of the reflection device to be adjusted between the first clamping element and the second clamping element in the clamping gap, and
• wherein the first clamping element and the second clamping element are made of separate parts, and
• wherein the first clamping element and the second clamping element are rotatably coupled to each other about a second axis.