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Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53979
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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Benz S500: This doesn't have diagram a cracked

Customer Question

This doesn't have diagram for repairing a cracked 3 way heater hose leak. Here is an exact video of my problem. Can you show me how to remove it without pulling out the dashboard.
Submitted: 1 year ago.
Category: Mercedes
Expert:  Marty replied 1 year ago.
Hi Ron, sorry for the wait on this question. You don't need to remove the dash to replace the heater hose fitting. The fitting just pushes through the firewall and is accessed from the engine compartment. You will need to put the hood in the fully upright position and remove the water deflector in order to gain access to the fitting. I've attached instructions below. Let me know if you have any questions.