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I doubt it is o2 sensor.
Is the check engine light on? Have you read the codes?
Change the brake light switch. Cheap and high probability that it is the problem.
Misfire codes are stored in the ECU. You can try to do a complete system scan. I have used the DS708. The menus can be confusing at times. Why do...
I would do a back pressure test. Catalytic converter may be partially clogged. Also how many miles. A tune up may help.
I have had the same problem on a W211. Its the sub. Just unplug it until you replace it. You may not even notice the difference.
I don't think this is programig issue. You may need to swap the clock spring with one from MY13. I would recommend that you find out a star...
You need to read the fault codes but my guess is that shifter module is defective. Yes, that can stop your car from starting.
Do you know what scanner they used? I assume this wasn't a MB dealer or a shop with Star Diagnostic scanner. Star diagnostic scanner should have...
It definitively has a fuse. Sorry I don't know the fuse number for the R class but look at the chart in your fuse box.
I don't think it has to do with the key. It may have with something such as the gas pedal sensor. If you have that problem again you should be...
Have you checked for fuel and spark?
It may be a defective brake light switch.
The headlight switch may have failed. The switch on the dashbaord next to the steering wheel. If you can get a hold of used one that may be the...
You have an issue with the fiber optic cables.
You need to remove and inspect the sensor on the rear axle and wheel speed sensors. Make sure there is no dirt covering up the sensors.