What it means
CS is Amazon's or the seller's support for customer questions, complaints, and returns. For FBA, Amazon provides CS; for FBM, the seller is responsible. High CS quality leads to better ratings and customer loyalty.
CS
Customer Service - Kundenbetreuung
Terms, metrics, and workflows around Amazon Seller, Vendor, and Marketplace operations.
By the SPACEGOATS TeamLast reviewed: April 2026