Mercedes Benz R Class owners have reported 1 problem related to check engine light on (under the engine and engine cooling category). The most recently reported issues are listed below.
While driving car the check engine light came on and started running very rough. I took it to the dealer where they told me it was some sort of balance shaft/cam gear problem. They said it was a terrible design flaw that affected many, many cars. They said driving it was risky.
See
all problems of the 2007 Mercedes Benz R Class
🔎.
| Problem Category | Number of Problems |
|---|---|
| Engine Exhaust System problems | |
| Check Engine Light On problems |