Can a Mercedes AdBlue heater be replaced without warranty?
One of the failure points of the Mercedes AdBlue system is the AdBlue heater or the processor. If your Mercedes-Benz is still under warranty, you should have the dealer fix this problem free of charge. If you are out of warranty, consider replacing the AdBlue heater yourself with a replacement unit if you are looking to minimize repair cost.
What should I do about my ad blue tank heater?
A 1600.00 Dollar repair at 52,900miles after servicing per factory maintenance booklet at MB shops cuts deep into “the DIESEL economy”. I just did 60k mile service on my 2010 ML-350 BlueTec a few weeks ago and got Check Engine light the other day. Now the dealer said Ad blue sensor bad and the whole tank needs replacing.
How do you add AdBlue to a Mercedes BlueTec?
Adding AdBlue to Mercedes-Benz BlueTec cars such as W221, W463, W166 is very easy and simple. Open the fuel door lid. Note the blue cap next to the fuel fill cap. Add the required AdBlue. Don’t mix AdBlue with diesel fluid. Make sure to add AdBlue to the correct tank.
What’s the problem with the Mercedes blue tank heater?
The problem is that the MB heater is too small, and it burns out because it’s running all the time trying to keep the fluid warm. It doesn’t only run when the tank is about to freeze, it runs when the tank is above freezing too. The Xemodex heater is considerably beefier, although their one year warranty is not worth much.
How to replace a Mercedes AdBlue tank heater?
Make sure to replace them, including the one that connects the pump to the heater element. Tighten the lid locking ring. Make sure the mark on the ring matches the ring line up on the tank mark. Install the DEF tank on the vehicle. Add DEF fluid to the top of the tank. Lastly, use an OBD2 scanner to clear the check engine light.
How to remove Def heater from Mercedes Sprinter?
Remove the DEF heater element from the tank. To disconnect the inner heater part from the tank, you will slide your hands inside the tank and slide the plastic counter-clockwise. Mercedes DEF tank removed. Install the DEF pump and heater element.
How much does it cost to replace a Mercedes Def heater?
You may have been quoted to replace the DEF tank, heater, and pump altogether, which at the dealer can cost as much as $4000. Replacing the DEF tank is rarely necessary unless it has developed a crack. Verify your Mercedes DEF heater part number with the seller or by calling your dealer.
Is the Mercedes ML350 W166 OM642 heater resistance test faulty?
Hi All, Just some videos to inform or help people out, just like the YouTube community has done for me. Keep Safe! Mercedes ML350 W166 OM642 DEF Heater Resistance Test – Faulty or Not? An error occurred while retrieving sharing information.