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sprinkles08
sprinkles08, ASE Certified Technician
Category: Mercedes
Satisfied Customers: 21985
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Gl 450: my 2007 gl 450 raised really high and then a rear bag

Customer Question

my 2007 gl 450 raised really high and then a rear bag popped
Submitted: 9 months ago.
Category: Mercedes
Expert:  sprinkles08 replied 9 months ago.
Hello and welcome to Justanswer!The most likely cause for this would be an inaccurate height sensor. The suspension system uses a height sensor at each corner of the vehicle which is used to determine what raise or lower that particular corner of the vehicle. If one corner raised until the airbag failed then odds are that height sensor was reporting an incorrectly low suspension height. This could be due to physical damage of the sensor from road debris, the sensor may have mechanically or electrically failed. The first thing you'll want to do is a visual inspection of the height sensors, especially at the wheel that had the airbag fail.
Customer: replied 9 months ago.
It wasn't one quarter it was the entire car
Customer: replied 9 months ago.
It wasn't one corner it was the entire car race until the airbags blew
Expert:  sprinkles08 replied 9 months ago.
The height sensors will need to be inspected, if no physical problems can be seen then suspension module data will need to be looked at with a scan tool.
Customer: replied 9 months ago.
If there are four sensors which sensor is bad would you think it's the one where the bag exploded
Expert:  sprinkles08 replied 9 months ago.
It would require in person testing with a scan tool to determine which sensor is inaccurate unless a problem can be found visually. Yes, the most likely sensor to have caused the problem is the one at the wheel that had the bag fail.