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engine cooling fan keeps running after car is turn ed off. New fan installed. problem still happens. aslo coolant and temperatu
A fault with a fuse would more likely result in non operation rather than continuous operation. ECM's rarely go bad, indeed of the ones "claimed" to be bad, that is of those sent in as warranty returns, based on surveys...
I have a CLS550 I was driving on the Interstate and Suddenly my car gave me a message saying pull over stop driving car too low wh
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,...
Thinking of switching to 22" Rims & Tires, How much would it effect the ride and do need to do any modifications?
If stock, your vehicle might be presently equipped with 255/45R18 tires/wheels. Twenty-two inch wheels, and accompanying tire sizes, will fit without modification (catalog shows up to 26 inch wheels for your application but catalog does not specify "configuration" for all...
My RPassenger window did not work. I had it fixed. shortly after neither of my rear windows will work from the or the front and
Hi there. Usually when both window switches do not work it is due to an electrical fault with the primary control module. There is a center module that relays all electricity from switches to individual window drive motors to open...
Can I put the 2013 Mercedes benz S550 on my 2007 Mercedes benz S550?
Hi there. I believe the connections on these two years are different, so the swap would not work if this was the case. You might want to verify this with a MB dealership to see if the parts are interchangeable....
Camshaft position sensors control what part of engine
Changing the Camshaft Position Sensor (CMP) might solve your problem, but probably won't. The P0016 code is saying that the CMP signal is there, but not at the right time. The Camshaft must be timed precisely to the crankshaft and...
I have a 2008 s550 Mercedes Benz. I'm having a hesitant/vibration in between shifts at a moderate acceleration.
Hello. The most common cause of this is a failure in the drive shaft coupling. The coupling begins to fail and this occurs. I would have this checked by a shop that specializes in this as it can be difficult...
fuel sending unit
Either the dash gauge, the sending unit, or the wiring (the circuit) has a fault. To get the precise issue(s) pinpointed and repaired, the recommended service is a fuel level system diagnostic. If you request that service, the responding certified...
Do I repair my car or sell it?
Hi There, The car is a definitely worth fixing. If you have the vehicle towed to a dealer, it is likely they will charge you for the repairs or subtract the cost of the repairs from the offer they make...
I would like to improve performance and MPG, Is a performance chip a good option for my 2008 S550?
Hi Eric. Thanks for contacting us tonight. Unfortunately, answering questions about aftermarket add-on's is not what we offer here at YourMechanic.com. We focus on providing tips for OEM service, repairs, and maintenance. It's probably best for you to consult with...
My 2007 s550 at times when driving 40 mile or less it go into gear 4 and 5 and won't regulate back to the proper gear what is wron
What you are describing may be a result of a faulty speed sensor, potentially low transmission fluid or a even a faulty transmission control solenoid. As your vehicle travels down the road, the computer analyzes data being sent by vehicle...
Odometer not working
The onboard vehicle computer (OBD-II) has probably stored that data and, if so, the data can be accessed via a scan tool. The data can be potentially erased, too (intentionally) so, of course, be aware of that. The only other...
Car pulling to the left after accident, car does not look nor run bad, all other tires are properly aligned and ok
Based on your description, the car is not aligned but the cause has to be determined. If the vehicle was hit in the rear, it is unlikely that the steering system was affected. Technically, the damage to the rear has...
Brake pads and rotors
You should be able to replace just the pads as with any other vehicle as long as the rotors are still in good condition. Typically, when the rotors are warped or do not otherwise provide a smooth surface for the...
car has slipped out of gear a few times and turned off
Hi Edward. Thanks for contacting us today. There could be multiple issues causing the problems you are experiencing with your Mercedes-Benz. In most cases, when an automatic transmission slips out of gear, it's an indication of a rather serious internal...
My s550 4matic due service shortly what kind a cost should i brace for
Hi Everton. Thanks for contacting us tonight. One of the best tools we have on our website is the free scheduled maintenance tool, which will list the recommended maintenance based on the mileage of your vehicle. Since we don't know...
Load woo noise rear passenger side. Car has new rear tires, and rides smooth. Is it a bad bearing?
I suggest having a mechanic ride with you and see if it is one of the rear tires or the bearings are noisey. I suspect the bearing is noisey unles noise started right after the new tires were installed. ...
A mercedes dealership has said I need a new transmission for my 2007 s550. Approx what should that cost for parts and labor?
Hi there. Unless the mechanic completing the transmission replacement is a certified Mercedes-Benz technician, this is not a repair that any reputable mechanic should complete. Mercedes mechanical components are incredibly specialized; which is why certification is required to service them....
Oil leak
This suggests you may have a leak resulting from a failing gasket somewhere in your engine. As you know, there are many different places in your motor that are sealed by gaskets. I would suggest narrowing this down by placing...

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