The motoric cognitive risk syndrome (MCR) is a novel and clinically relevant pre-dementia syndrome indicating a higher dementia risk (e.g., for Alzheimer's disease). Given that MCR prevalence is unknown in Germany, we conducted a cross-sectional study, in which 208 participants from Germany aged 50 and 82 years answered an online survey including questions to assess subjective MCR (sMCR). The adjusted sMCR prevalence was 25.3%. Adults with sMCR reported more diseases and showed negative associations with physical activity, sedentary behavior, and sleep, suggesting that lifestyle modifications can play a significant role in MCR prevention. Further research is required to complement our preliminary findings on sMCR prevalence in Germany.