Q: 2003 Mercedes S500. OBD codes P106,P0410,P0171, P0304, P0303,P0300,P0730P, P0174P. Exhaust rattle, reduced power

Hi. You should have your lighter port changed to a 12 volt charging port. The older ports were only meant to be used as cigar lighters and are not capable of getting a good connection for chargers. They sell these...

A faulty ignition switch is the most common cause of the problem you are having, but it is not necessarily always the cause; for instance, you could have an issue with your ignition lock cylinder, or linkage. I recommend that...

Hello, if the car is only overheating when it is not moving then it is usually caused by an air flow issue through the radiator. Most of the time, this is caused by an issue with the radiator fan not...

Hey there. Some types of aftermarket gas caps do not click and will tighten as much as you want. If you feel the cap should be a click-type or the original one was a click type, then get try a...

Hello - there are still a couple of possible sources of this overheating (https://www.yourmechanic.com/question/overheating-problem-with-my-car). A weak water pump, or clogged (internally or externally) radiator may not be transferring enough heat out of the engine. Air pockets in the radiator where...

Hello, thank you for writing in. The vehicle may be having an issue with its body control module. Due to the locks doing this on their own, and the issue with the key-less entry (which works on its own circuitry),...

Hi there. Unfortunately, we don't have enough information from you to assist resolving your shifting problem. Please provide us with the make, model and year of vehicle; along with any symptoms you're having. Otherwise, please consider having one of our...

Claimed by Kevin Gainer

The problems sounds like your engine is in failure management mode due to a fault in the vehicle engine computer systems or there is a mechanical fault. You should have the computer scanned for failure codes and then have those...