Are M273 engines reliable?
Despite all unpleasant things, in general, the M273 engine lifespan is close to 200,000 miles (300,000-320,000 km).
Are there any problems with the Mercedes M272 engine?
Fortunately, only the early 2004-2008 M272 engines are plagued with the balance shaft failures. Though unlikely, intake manifold problems can also cause serious issues. Thermostat failures may be the single most common problem on the M272. However, it’s a pretty inexpensive and simple repair.
What are the symptoms of a Mercedes problem?
Symptoms of this problem include a check engine light, cylinder misfires, and failure of O2 sensors. The culprit is likely to be leakage of oil from the oil pressure switch. Changing it will solve these Mercedes problems.
Why does my Mercedes have a runnability problem?
Some Mercedes cars show a runnability issue, especially the ones with the V12 engine. Symptoms of this problem include a check engine light, cylinder misfires, and failure of O2 sensors. The culprit is likely to be leakage of oil from the oil pressure switch. Changing it will solve these Mercedes problems.
What kind of V angle does Mercedes M272 have?
The M272 uses a 90° V angle like most V8 engines. However, that results in excessive vibration. Mercedes installed a balance shaft on the M272 to help combat these vibrations. The balance shaft sprocket on early engines was made with weak materials.
To prevent this problem, before you purchase a Mercedes-Benz model with the M272 engine, check with an extended warranty company to see if they can cover the expense if the balance shaft should fail. It is quite an expensive fix that requires professional work, so make sure you cover your bases before you invest in one of these affected models.
The M272 uses a 90° V angle like most V8 engines. However, that results in excessive vibration. Mercedes installed a balance shaft on the M272 to help combat these vibrations. The balance shaft sprocket on early engines was made with weak materials.
Why does the balance shaft on a Mercedes M272 wear down?
Mercedes installed a balance shaft on the M272 to help combat these vibrations. The balance shaft sprocket on early engines was made with weak materials. Over time the M272 sprocket wears down which then throws timing off.
Is the 272 engine a ” crap engine “?
The 272 is a crap engine period! Overly complicated, low HP and problematic. Less than a year later intake took a crap, common issue again. My 06 has just over 100k and being a Mercedes one would think issue like these should not be going on.