2007 Mercedes-Benz S550 4MATIC Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2007 Mercedes-Benz S550 4MATIC

The transmission drive selector module may fail resulting in the loss of gear selection capability. This condition can leave the vehicle stranded, and will require replacement of the drive selector module.

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I have to open the hood and bang on the computer if the car won't start and I've been to the mechanic for this issue over and over and same results. I entered the car today and it wouldn't start I had to open the hood and hit the computer and then the car started up.

how many in total?

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One or both front suspension ball joints may fail. Vehicles with significant mileage are more prone to this type of failure. Dealers will inspect and replace the ball joints as necessary. The recall is scheduled to begin during February 2009.

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