What are some of the mercedes w211 e240 problems?

The Mercedes W211 E240 has several reported problems. The most common problem is with brake reliability. The brakes can fail due to a faulty SBC brake module. There are also problems with the radiator which causes transmission fluid contamination and eventually transmission failure. The catalytic converter is reported to fail at around 80,000 miles and engine motor and transmission mounts will likely need to be replaced at 100,000 miles. Also, front control arm bushings are prone to failure at 100,000 to 200,000 miles. Finally, there are reports of issues such as faulty window regulators and air strut wear and tear. Keep Your Mercedes in good condition by having routine service appointments which can help to reduce these problems.