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Hey there, thanks for writing in about your 2005 Mercedes Benz E55 AMG. You may have to have the radio command unit reset and reprogrammed by the dealer using the latest software. They will have to reprogram the unit to...

The car is telling you to look in the owners manual to look for the red symbol that cam on for information on the symbol. I do not know the symbol that came on so you will have to look...

The oil you bought contains extra ingredients to help protect the engine against wear. Check the starburst symbol on the back of the bottle and compare it to the symbol in your owners manual. If the ratings match, go for...

As you may know, trouble code P0420 relates to the inefficiency of the catalyst system, which detects the presence of oxygen in the exhaust gases. This can be caused by failing O2 sensors that need to be replaced. This can...

It sounds like a fuse may have blown for the throttle control. You should check and replace any blown fuses. The ABS light will come on with the battery light if the alternator is failing as the system voltage begins...

Hi, thanks for writing in. You will need to have the cooling fan clutch checked to see if it is working properly. The engine will not cool properly if the clutch is not locking enough as the engine gets hot....

An erratic fuel gauge can be caused by a number of problems. The fuel sending unit in the gas tank can be bad/shorted. The gauge itself can be bad, or a short in the wiring between the sending unit and...

Hi Paul. Thanks for sending the question tonight. To be honest, when wholesale replacement jobs like you've described are completed, multiple issues can be missed, incorrectly installed or even have compatibility issues that can lead to a vibration. If you...

Hello - the use of "sealing" products is a bit of a religious discussion. Some swear by them, others swear at them. Yes, they will sometimes seal a small leak, although head gaskets are less likely to stay sealed due...

The window regulator in that door has broken. The window regulator uses a series of cables and pulleys to move the window up and down. Oftentimes, the pulleys, (which are made of plastic,) will break. When this happens, the cables...

Hi there. Thank you for submitting your question to us. In short, our mobile mechanics do not provide most repair services on hybrid vehicles as you've listed. They tend to be very complicated and are typically best suited to have...

Your truck comes with a Moon roof built into the roof. This window can be opened and closed just like any other window. To operate the moon roof. Press the Slide button to open the moon roof. Pull the...

You seem to be indicating there is a leak, possibly a coolant leak. If so, the leak point(s) in the cooling system should be identified in a leak diagnostic and thence repaired. If perhaps the leak relates to the water...

I would recommend starting with a cooling system pressure test. This will determine whether Cooling system leak is. If the coolant is mixed with oil then you will see coolant and oil leaking. Cooling system pressure test can be performed...

The seat belt retractor should be replaced as an assembly. It can be checked for obvious, and repairable faults, but generally an item like that which is safety related is not worth taking a risk over. Water can exert lots...

Diagnosing throttle issues is very difficult to do without being on site to complete an exam. However, in some cases, this symptom is caused by a damaged or worn out throttle controller. Throttle Controller is the electronic version of what...

Hello. Without additional info as to what the car is doing this may be hard to diagnose without seeing the car and listening to it in person. You'll first want to check if it is making a clicking sound or...

Hello, thank you for writing in. With white smoke coming from the exhaust, the smell of coolant, and the (very likely although unmentioned) lowering of the coolant level, it is quite apparent that the coolant is making its way passed...

The car's self diagnostics should be able to tell you if there is a leak in the line, The EVAP monitor will pull a vacuum on the tank and keep track of the fall in pressure. It will light the...

Hello! On your particular vehicle, the hard start condition is commonly caused by a faulty fuel pump relay, fuel pump, or fuel filter, so I suggest checking the fuel pressure to determine if there is a problem with the fuel...

It could be the alternator. You can go and have any mechanic, anywhere take a look. Most guys do it free--they can check your batteries and alternator. It takes five minutes and they can tell you if the battery is...

If you want to continue to change transmission fluid on a regular basis then you can do it every 30,000 miles or 3 years. This is a good timing since you did it 1 1/2 years ago, you have another...