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Resources for the Repair and Maintenance of your 2007 Mercedes-Benz S550

2007 Mercedes-Benz S550

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2007 Mercedes-Benz S550 Problems

Heating & Air Conditioning -- Verified

The HVAC blower motor may fail. This is commonly caused by water entry through the cabin air filter areas during heavy rain or snow. Failed blower motors should be replaced. Our technicians tell us there is no special fix for this issue at this time.

Engine -- Verified

The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.

Engine -- Verified

The camshaft adjuster solenoid (which is related to the variable valve timing system) may fail or timing chain/balance shaft components may wear, resulting in illumination of the Check Engine Light and various drivability issues. Mercedes-Benz has released a service bulletin outlining specific repair instructions depending on fault codes stored.

Drive Train -- Verified

A vibration felt through the center floor of the vehicle can be caused by driveshaft flex discs, which crack and shred, causing excessive driveshaft movement. Not repairing these can cause damage to the driveshaft center support bearing, or, in the worst case scenario, damage to the transmission or differential.

Brakes -- Verified

As a way to increase braking performance, the brake pads and rotors are make of a softer material and may be in need of replacement after approximately 20,000 miles; owners should be vigilant about getting their brakes checked.

2007 Mercedes-Benz S550 Recalls (Recent)

Electrical & Lights, August 1, 2008

RepairPal Expert Overview:

There is a faulty software calibration that affects several areas including shutting off the fuel supply in a collision. This could cause a fire hazard during an accident. Dealers will reprogram this software. The Mercedes-Benz recall number is 2008 070001. This recall began during August, 2008.

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Suspension & Steering, February 18, 2009

RepairPal Expert Overview:

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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2007 Mercedes-Benz S550 Questions and Answers

arcadia, 2007 Mercedes-Benz S550, Jamison, PA

do i need change transmission oil

toon, 2007 Mercedes-Benz S550, Clearwater, KS

my email toonted@hotmail.com

KAmunikoro, 2007 Mercedes-Benz S550, Staten Island, NY

To check level of trasmission

mercedes2, 2007 Mercedes-Benz S550, Nashville, TN

passenger seat frame bent.

briang, 2007 Mercedes-Benz S550, Duarte, CA

My navigation display randomly oscillates +/- 10 degrees as if it is attempting to find the HOME position. Is this a sensor problem, software bug, or??

Write a Review About Your Car

2007 Mercedes-Benz S550 Reviews

I really enjoy my 2007 s550 Benz.I have only had it for three months,but I dont sdrive it everyday only three times a week.I really hope people understand this isnt the kind of vehical u drive everyday.

When I purchased my 2008 S550, I understood that repairs and parts were most expensive than Japanese or American vehicles. What surprised me was the number of parts that failed. At 45K my front tie rod bushings failed (upper and lower). Although it wasn't a ton of money it was cause for concern. Rear tires require replacing every 10K miles (this was expected) but the cost of the tires hurt. HV/AC problems plague this vehicle and it's constantly in the shop getting looked at. Sometimes it works, most times it doesn't. Flex joints went out at about 70K miles and ultimately destroyed the transmission (German ingenuity at work). Headlights that rotate in the direction you turn, never worked. Center console buttons broke requiring a complete replacement of it. Arm rests were falling apart after 75K miles (re-upholstered). Bluetooth "ready" vehicle required an 180.00 adapter to make the Bluetooth work. Two front shocks replaced at 60K (purchased OEM Bosch air struts at 900.00 each - 600 to put them on). If you're looking at such a vehicle I suggest you look at options. The Audi A8 is rock solid and has a fraction of the issues this car has. The BMW 745/750's are about on par with the S550 in terms of reliability.

My 2007 S550 has been nothing but a money pit! I just had to pay $7,000 for a new transmission and it still feels like it's going to stop when it's idling. I have put in well over $25,000 in repairs.

I found the information RepairPal provided in the common problems section to be helpful and very timely. The common problems around the drivetrain is what I was experiencing and I've been given an estimate of approximately 9k to replace transmission and many other items. Please know an independent certified MB technician found this problem NOT the MB dealership!!! I ask how can a transmission have to be replaced in 2008 for a 2007 100k+ car? Let's see if MB will own up to this being a faulty transmission!

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