My car C240,2005 Model won’t change gears.

Asked by Guru68277 Mar 29, 2020 at 02:40 PM about the Mercedes-Benz C-Class

Question type: General

My is not accerating.The maximum speed is
going is 80km/hr it can’t go above that,and
the gears are not changing as they were.What
could be the problem?

3 Answers

120,765

When the catalytic converter is clogged, this causes exhaust gases to back up into the exhaust system not allowing the engine to breathe properly. This should also cause a check engine light to come on as the O2 sensors should be reading the incorrect amounts of oxygen in the exhaust gases.

120,765

Have a mechanic diagnose this to find all the problems involved; it's likely that something is causing a misfire that's lead to this. I suspect that you might have to replace the catalytic converters, as well. But only a professional diagnosis will tell you.

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