2007 Mercedes-Benz S550 4MATIC Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2007 Mercedes-Benz S550 4MATIC
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2007 Mercedes-Benz S550 4MATIC ProblemsTransmission May not Shift into Drive Due to Failed Selector Module
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.
The Mercedes Benz S550 $Matic may have engine oil seeping or leaking from the back of the cylinder heads. This is commonly misdiagnosed as leaking valve covers.
On the back of the cylinder heads there are three, in total, plastic expansion plugs that plug access ports to the camshafts. These plugs are well known for seeping oil, and leaking if left unattended. The oil will run down the back of the engine and eventually make it to the ground.
Replacement of these three plastic plugs is extremely simple, and should be done as regular maintenance. The recommended interval for replacement is every 60,000 miles.
2007 Mercedes-Benz S550 4MATIC QuestionsHello,im really thinking about buying a 2007 S550 4 matic Mercedes-Benz with 100,000 miles,in your opinion is the car worth buying and if it is should i also purchase an extended warranty??? Thanks in advance... (1 answer)
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.
2007 Mercedes-Benz S550 4MATIC RecallsA Front Ball Joint May Fail Prematurely
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.