浙江一女子称退网购150多元大衣时，不慎寄走奔驰钥匙“配一把6000元”，网店：没法确定钥匙在哪，若看到会给她

Group 1 - A customer in Jiaxing, Zhejiang, accidentally sent her car key back with a returned clothing item, highlighting potential issues in the return process of e-commerce [1][3] - The customer, Ms. Shen, reported that the car key for her Mercedes C260L costs 6,000 yuan to replace, indicating the high value of the lost item [1] - The weight discrepancy between the package sent back (1.69 kg) and the original package (1.2 kg) raises questions about what was included in the return [1] Group 2 - The customer’s car key, which weighs 53.3 grams, was confirmed to have been sent back, but the online store staff stated they have no use for the key if found [3] - The platform is actively coordinating to ensure both parties' rights are protected, but the exact location of the key remains uncertain [5] - The store staff mentioned they would continue to monitor the situation and encouraged anyone who finds the key to contact them [5]