Why is the brake light off on my 1999 ML320?
68 people found this helpful. Our 1999 ML320 had a seriously defective brake light switch. I replaced it and the light is off. The old switch not only had a stuck plunger but it was damaged as if it had been hit with a hammer. There was one electrical contact exposed and it might have heated and melted the case. 5 people found this helpful.
What kind of exhaust fluid does BlueTEC use?
All Bluetec vehicles use Diesel exhaust fluid, also known as AdBlue. It is stored in an external tank, and it would freeze in cold weather. To prevent this, DEF tank is equipped with an electric heater which can burn out. You will be warned with a ‘check engine’ light if this happens.
When does the Check Engine light come on on a Mercedes?
It illuminates when something requires the attention of a mechanic, or to remind you of periodic service needs. The light is designed to come on when the vehicle passes certain mileage limits. You can reset the “check engine” light on your Mercedes within a few minutes.
What causes check engine light on Mercedes ML320 BlueTEC?
Your 2009 Mercedes ML320 BlueTEC may also experiences problems with the illumination of the CHECK ENGINE light,which is caused by excessive build-up of motor oil on the spark plug electrode. It is simply an indicator of the oil consumption problem, or other problems such as emissions system, ignition system, or fuel injection system etc.
68 people found this helpful. Our 1999 ML320 had a seriously defective brake light switch. I replaced it and the light is off. The old switch not only had a stuck plunger but it was damaged as if it had been hit with a hammer. There was one electrical contact exposed and it might have heated and melted the case. 5 people found this helpful.
All Bluetec vehicles use Diesel exhaust fluid, also known as AdBlue. It is stored in an external tank, and it would freeze in cold weather. To prevent this, DEF tank is equipped with an electric heater which can burn out. You will be warned with a ‘check engine’ light if this happens.
Where is the Check Engine light on a Mercedes?
Pay attention to the display on the instrument cluster between the speedometer and the tachometer. Press the lower left button on the left side of the steering wheel. There are four buttons on the left side of the steering wheel. After pushing the button, the display will reveal why the check engine light is lit.