MERCEDES BENZ C-Klasse SportCoupe/CLC AC evaporator replacement
Engine, Fuel & Emissions system·2004–2007 · MERCEDES BENZ repair guide
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AC evaporator replacement
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What is this repair?
Plain-English overview
The AC evaporator sits inside the dashboard and absorbs heat from cabin air; pinhole leaks cause refrigerant loss and musty odours. It is one of the more labour-intensive AC repairs as the entire dashboard must usually be removed.
Warning signs
How to tell your MERCEDES BENZ C-Klasse SportCoupe/CLC needs this repair
- AC blows warm air despite recent recharge
- Sweet chemical smell inside the cabin
- Windows fogging up more than usual (refrigerant contamination)
- Oily film appearing on the inside of the windscreen
- AC system losing refrigerant repeatedly without visible external leak
Common causes
Why MERCEDES BENZ C-Klasse SportCoupe/CLC vehicles need this repair
- 1.Normal component wear over high mileage
- 2.Oil maintenance quality and adherence to change intervals
- 3.Operating temperature and thermal cycling over time
- 4.Age degrading seals, gaskets and rubber components
What affects the price
Why your quote may differ
- Dashboard removal complexity — biggest labour driver
- Whether to replace expansion valve and receiver drier at the same time
- OEM vs aftermarket evaporator
- Refrigerant type (R-1234yf is significantly more expensive than R-134a)
At a glance
Key facts about this repair
Labour time
4–12 hours
at a typical garage
DIY difficulty
Specialist only
Typical parts included
What gets replaced
Risks of ignoring this
What happens if you delay
- A minor issue becoming a significantly more expensive repair if ignored
- Secondary damage spreading to related components
- Possible roadside breakdown or sudden failure
- Failed roadworthiness inspection or MOT
Full repair guide
Everything you'd want to ask a trusted mechanic
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Related repairs
Other engine, fuel & emissions system repairs on the MERCEDES BENZ C-Klasse SportCoupe/CLC
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AC evaporator replacement cost on similar cars
Get the exact price for your MERCEDES BENZ C-Klasse SportCoupe/CLC
Pick your year and engine below. Instant estimate, no account needed.
Estimates in seconds · Always confirm with a qualified mechanic
Example estimate
AC evaporator replacement
Select your vehicle above to get your personalised estimate