2026-07-22 · 5 min read
Mercedes-Benz CLA — 时规链
Same timing chain situation as A-Class: both M270 and M260 use a chain (no belt), but tensioner wear and chain stretch are real issues at higher mileage. Cold-start rattle in the first 5 seconds is the key warning sign. Correct oil spec and timely oil changes are the best prevention.
Service Costs
- Tensioner only
- Full chain + guides + tensioner