Abstract: A disc brake, preferably actuated by compressed air, for a motor vehicle, has a brake caliper which has a brake application section with a brake application device with a rotary brake lever, at least one wear adjusting device for adjusting wear of brake pads, and a brake disc with a synchronization unit which includes an adjusting device, a drive device and a synchronizer. The adjusting device and the drive unit are inserted in each case into a threaded plunger of a spindle unit and are attached by way of a mounting arrangement on a bearing wall of the brake application section of the brake caliper. The synchronization unit is installed with the adjusting device and the drive device as a preassembled group into the brake application section of the brake caliper, wherein the synchronizer is arranged in the region of the mounting arrangements on the bearing wall within the brake application section. A method for installing a synchronization unit is provided.