Q: What are some operating tips for the air conditioning?

Oil filters have a very important, yet really dirty job to perform. I don’t think even Mike Rowe (http://www.discovery.com/tv-shows/dirty-jobs/) would want to tackle the dirty job of an oil filter (https://www.yourmechanic.com/article/how-do-oil-filters-work). Before we talk about the oil filter, let’s talk...

The odometer tells you how many total miles your vehicle has driven. It is displayed on the instrument panel by pressing the Sel/Reset button until the information display switches to the odometer.

If you have no readings when you turn that key on, it could be an electrical short. When you hear that noise, check to see where the noise is coming from. Perhaps the ignition switch is broken and it shorted...

Hello. It sounds like you may just have a bad brake switch (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-brake-light-switch) on the brake pedal. Both the brake lights and the shift lock use this switch. I usually remove the switch and test it with an ohm meter,...

Since you have listed a number of issues, there is no certain way to provide you with a definitive answer. It's highly unlikely that all your issues are rooted in one part or system. If the plugs are covered in...

Hello - I agree with you that this is likely a fuel supply issue (https://www.yourmechanic.com/article/how-often-should-the-fuel-system-be-inspected). There are several possibilities as the source of the problem fuel pump or fuel pump relay (runs, but gets hot and fails), fuel filter clogged,...

Hello. Thanks for writing in. The warning light is telling you that the automatic transmission is having an issue. It may be a simple sensor issue which occurred during the latest work done. It may be something completely different. The...

It looks like you're using the Star Diagnostic system. So you are getting Mercedes Proprietary codes. The codes may not be published in a place where you can access them without going through Mercedes. They guard a lot of their...

Hi there. When you have an overheating problem after replacing the radiator, it can be caused by several different issues ranging from an obstruction in the coolant lines or heater core, the coolant having air bubbles in the lines, cooling...