This is a MAHLE piston ring set sized for an 82.00mm cylinder bore, supplied as a three-ring-per-cylinder set built to MAHLE OE production tolerances for correct seal, oil control and compression when rebuilding the engine.
Fitment: Mercedes-Benz C-Class and E-Class (and related SLK-based models sharing the engine family), chassis W203, W204 and W211/R171, fitted with the M271 Kompressor/CGI four-cylinder engine, cross-referencing OE numbers A2710300024 and 2710300124.