Fits Mercedes-Benz C-Class W204 rear tail lamp (7-pin plug): C250 (2012–2014), C300 (2008–2014), C350 (2008–2014), C63 AMG (2008–2015). This is the pigtail/connector that mates to the rear bulb carrier on W204; see NHTSA recall documents describing unplugging the tail-lamp harness connector and replacing the bulb carrier/connector when corroded. Always match the 7-pin shape and latch to your original part.
Fits C-Class W203 rear tail lamps (7-pin): C230, C240, C280, C320, C350, C32 AMG, C55 AMG. Several EU listings identify A2115450328 as the rear-lamp connector repair kit for W203/W204/W211. Use by visual confirmation of the 7-pin housing and keying.
Fits E-Class W211 rear tail lamps in many trims (E320/E350/E500/E55/E63) where a 7-pin plug is used. Cross-check the plug cavity count and latch before ordering.