Why am I only getting cold air from the ac vents on either side of the steering

What is your question?

I:m getting warm air out of the other vents. I'm also getting an occasional hissing sound from the dash/vents.

What makes this problem better or worse?

It's worse when the outside temperature is hotter

How long has your 2018 Mercedes-Benz E400 had this problem?

it's periodic

Visitor

in Cypress TX

Jul 23, 2025

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What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 2018 Mercedes-Benz E400. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Why am I only getting cold air from the ac vents on either side of the steering

What is your question?

I:m getting warm air out of the other vents. I'm also getting an occasional hissing sound from the dash/vents.

What makes this problem better or worse?

It's worse when the outside temperature is hotter

How long has your 2018 Mercedes-Benz E400 had this problem?

it's periodic

Visitor

in Cypress TX

Jul 23, 2025

0 Replies

This question doesn't have any answers yet

Get the conversation going by signing in or creating an account

Submit an Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 2018 Mercedes-Benz E400. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.