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Ask Lou P. master tech Your Own Question
Lou P. master tech
Lou P. master tech, Mercedes Technician
Category: Mercedes
Satisfied Customers: 4605
Experience:  15 years master certified 100% fix rate and have access to factory radio codes, wiring, and instructions.
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I have an r350 and the rear air bags will not air up, 2008,

Customer Question

i have an r350 and the rear air bags will not air up
JA: What year is your r350?
Customer: 2008
JA: Nice car. The Mercedes Mechanic can help you with your '08 r350 . Tell me a bit more about what's going on so he can help you best.
Customer: the pump will not engage when key is on i checked all the fuses and relays
JA: Are you hoping to fix this yourself?
Customer: yes I'm a retired diesel technician
JA: Great! What have you tried so far?
Customer: i replaced the rear air bags and pump
JA: Are you ready to speak with the Mercedes Mechanic now?
Customer: yes
JA: I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Mercedes Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Mercedes
Expert:  Lou P. master tech replied 1 year ago.

Hello, the air pump relay is the green one in the middle of the fuse box in front of the engine on the passenger side and the fuse is fuse 108, remove the fuse and relay and check them physically as the fuse is known to burn at the tip and also burn the fuse box internally. let me know what you find and we can continue. Lou P

Expert:  Lou P. master tech replied 1 year ago.

Hello, did you check out the info i provided?