Mercedes-Benz B250 service by top-rated mechanics at the convenience of your home or office

Hello, thank you for writing in. From what you describe it would appear that your vehicle may be experiencing some sort of electrical issue. The check engine light, as well as a few other lights, should all light up when...

It's possible that there was another problem that was not discovered when you first took the car in. It's also equally possible that there was an error made in the pump replacement. Slide a clean piece of paper or cardboard...

Hello. The throttle position sensor (https://www.yourmechanic.com/services/throttle-position-sensor-replacement) could very well cause the symptoms you describe. Since you have had the fuel supply components checked and replaced, this is the next logical component to suspect. If the throttle position sensor checks out,...

Since the problems go away when the radio harness is unplugged, this sounds like a bad ground, or loose power supply connection related to that installation. The Ignition Off Draw fuse is on the main fuse block. Your Owner's Manual...