Model Compatibility: Fits C218, X218, W212, S212, W166, and M157 vehicle models with 5.5L engines as specified in the part title.
Part Number Match: Replaces engine piston rings with part numbers A1570300117, 2780301317, 1570300517, and 1570300317 as listed in the title.
Quantity Included: Contains 8 pieces of engine piston rings for full set replacement as indicated by “8PCS” in the title.
Functional Purpose: Designed to restore function of piston rings in compatible 5.5L engine applications.
Application Scope: Intended for use in engines matching the model codes and part numbers explicitly stated in the title.
Description
8PCS Engine Piston Rings compatible with models C218, X218, W212, S212, W166, and W463 equipped with the M157 5.5L engine.This set includes piston rings designed to fit according to specifications for part numbers A1570300117, 2780301317, 1570300517, and 1570300317.The rings are intended for replacement use to restore engine function and sealing function. This replacement is made by an independent supplier.All brand references are used solely to indicate compatibility.