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CLS550

Hi there. This error message typically comes on when there is a leak in the air suspension of the Mercedes-Benz CLS-550. If you'd like to have one of our mobile mechanics come to your location and complete a suspension inspection,...

Hello, thanks for writing in. Most of the time this is caused by a programming issue with the control module. It usually occurs if the module fails or if there is a loss of power. It can also occur if...

Since it sounds like you have ruled out tires and tire balance, it's time to start looking at other things. The problem could be the driveshaft (https://www.yourmechanic.com/services/driveshaft-replacement) or possibly a faulty wheel bearing (https://www.yourmechanic.com/services/wheel-bearings-replacement). However, the fact that it goes...

This issue that would need to be inspected firsthand. In the case of such a catastrophic event, I would guess some Diagnostic Trouble Codes (DTCs) would be stored. Retrieving these codes is the first step in the diagnostic process. It...

As a safety precaution do not park the vehicle in the garage until the problem is fixed. The gas tank is made out of plastic and you may have a leaking tank or fuel line. The easiest thing to check...

Hello, thank you for writing in. There are two possibilities that are most likely at this point. Either the run-up caused the issue, or an underlying issue caused the need for a tune-up. The best place to start is to...

First, try using an alternate key. If it starts easily with a different key, then the original key needs to be reprogrammed. If the problem persists with either key, then it could be the ignition switch (https://www.yourmechanic.com/services/ignition-switch-replacement) or possible a...

It could just be that the transmission control electronics are faulty or that the Transmission Control Module (TCM) just needs an update. There is a Technical Service Bulletins (https://www.yourmechanic.com/article/how-to-use-a-technical-service-bulletin-by-parker-hill) (TSBs) regarding shift quality concerns for your vehicle. It's number LI27.00-P-051451...

This message indicates there is a problem in the anti-lock braking and/or electronic stability program system. If the problem is severe enough, the vehicle will go into limp mode, as you experienced. The root cause could be anything from a...