2026-07-22 · 5 min read
Mercedes-Benz E-Class Spark Plug Replacement Malaysia — M274/M254
M274 and M254 engines use iridium or platinum spark plugs with a 60,000 km change interval. Symptoms of worn plugs in E-Class: slight misfire on acceleration, higher fuel consumption.
Spark plug count and spec by engine
- W212 M272 V6 (E300/E350): 6 iridium plugs — NGK or Bosch — 60,000 km interval
- W212/W213 M274 4-cyl: 4 iridium plugs (Bosch YR6NE) — 60,000 km interval
Cost at 4M Car Care
- V6 M272 (6 plugs): RM 450–750 parts + labour
- 4-cyl M274 (4 plugs): RM 300–550 parts + labour
Symptoms of worn plugs: rough cold-start idle, slight hesitation on acceleration, minor increase in fuel consumption. The V6 M272 is slightly harder to access than the 4-cylinder — ensure the workshop has M272 experience before booking a plug change.