This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
While driving experienced sudden loss of power. Engine would rev normally but vehicle acted as if in neutral. I was able to move over to side of freeway safely. Placed car in park and then shifted back into drive, and car behaved normally. After doing research, I have discovered that this is a common problem with this model. According to, jayauto.wordpress.com, Mercedes is in a fight with its own suppliers because they produce a low-quality part. If you have problems with your 7-speed transmissions, please report it to: NHTSA. Only this organization can enforce Mercedes to do a transmission recall. In 2011, Mercedes made their biggest profit in their history. However, I don't think they will use it to fix their issues with transmission.
- Riverside , CA, USA
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- Milford, OH, USA