2026-07-22 · 5 min read
Mercedes-Benz GLC Timing Chain — M274/M254 Guide Malaysia
GLC M274 (X253) has a robust timing chain design compared to older M271. Regular oil changes with MB-spec oil are the best prevention. M254 (X254) is even more refined. Guide for GLC owners in Malaysia.

GLC X253 (M274) and X254 (M254) both use modern all-metal timing chain designs. Timing chain issues are rare — significantly better than the older M271/M272. Prevention: correct MB spec oil changed at ASSYST-recommended intervals, never let oil drop below minimum.
