Why does my Mercedes Benz lose engine power?

Why does my Mercedes Benz lose engine power?

While most problems can be determined using a scan tool, some may sneak under the radar and cause your car to lose engine power without triggering a check engine light. There are several basic components that are associated with a loss of engine power on w211 E-Class and E-Class AMG models.

Why does my Mercedes Benz E class feel groggy?

A loss of engine power can really take the pep out of your E-Class’ step. Most engine related problems will be picked up by the engine’s computer and notify you of the issue via the check engine light. However, in certain cases, your engine may feel groggy without the presence of a check engine light.

What happens when you have an exhaust leak in a Mercedes?

Depending on the area that the exhaust is leaking, a moderate loss of power will be noticeable. Exhaust leaks near the exhaust manifold are most severe, allowing exhaust to escape and fresh air to be taken in. The result is a drop in exhaust gas temperature and reduction of speed in which the exhaust gases exit the cylinders.

What causes a car to lose power after 70K miles?

The MAF (Mass Air Flow) Sensor. A bad or going-bad MAF can cause the loss of power. These are usually good to 70K miles. A bad MAF sensor might produce a sudden reduction in car power, but the normal failure mode is a gradual loss of power over weeks.

Can a bad MAF cause loss of power?

A bad or going-bad MAF can cause the loss of power. These are usually good to 70K miles. A bad MAF sensor might produce a sudden reduction in car power, but the normal failure mode is a gradual loss of power over weeks. Your engine light may come on if the sensor only has intermittent failure.

What causes a diesel car to lose power?

Volkswagen diesel cars such as the TDI can experience a loss of power. This could be temporary or more permanent, depending on the cause. Two possible causes are computer-imposed “limp mode,” and the MAF sensor, which is just a small distance from the air cleaner.

Why does my car lose power when I press the accelerator?

When you press the accelerator, it sends more fuel through the filter and not as much can get through. Also, a dirty fuel filter is a common reason why your car is blowing white smoke and losing power. The dirt in the cylinders is burned along with the fuel and this causes smoke to come out of the exhaust.