Description
Mercedes-Benz W140 S-Class A/C Heater Climate Control Unit – OEM 1408302085
Genuine OEM Mercedes-Benz automatic climate control unit for select W140 S-Class and C140 S-Class Coupe vehicles.
This is an original Mercedes-Benz HVAC control component, not an aftermarket reproduction. The unit controls functions of the vehicle’s automatic heating, ventilation and air-conditioning system.
Part Information
- Brand: Genuine Mercedes-Benz
- Mercedes-Benz Part Number: 1408302085
- OE Number: A1408302085
- Formatted OE Number: 140-830-20-85
- Part Type: Automatic Climate Control Unit
- Also Known As: A/C Heater Control / HVAC Control Panel / Climate Control Module
- Chassis: W140 / C140
- Condition: Used Genuine OEM
Vehicle Applications
Part number 1408302085 is found in select Mercedes-Benz W140 and C140 S-Class applications, including various:
- Mercedes-Benz 300SE
- Mercedes-Benz 300SD
- Mercedes-Benz 400SE / 400SEL
- Mercedes-Benz 500SEL
- Mercedes-Benz 500SEC
- Mercedes-Benz 600SEL
- Mercedes-Benz 600SEC
- Mercedes-Benz S320
- Mercedes-Benz S350
- Mercedes-Benz S420
- Mercedes-Benz S500
- Mercedes-Benz S600
- Other W140/C140 applications originally equipped with 1408302085
IMPORTANT: Mercedes-Benz used multiple climate-control unit revisions depending on model, production date and vehicle equipment.
Please match the part number on your original unit directly with 1408302085 / A1408302085 before purchasing.
Do not purchase solely based on vehicle year or model.
Part Number Information
The primary part number for this listing is:
A1408302085 / 1408302085 / 140-830-20-85
Specialist Mercedes-Benz parts references also associate the following numbers with this climate-control family:
- 1408301585 / A1408301585
- 1408301885 / A1408301885
Due to differences in vehicle equipment and production revisions, these alternate numbers should not automatically be assumed to be interchangeable in every vehicle. Matching the exact original part number is recommended.
Common Climate Control Problems
A malfunctioning W140 climate-control unit may be associated with symptoms including:
- A/C or heater controls not responding
- Incorrect temperature control
- Intermittent climate-control operation
- Buttons not responding correctly
- Display or illumination problems
- Blower or air-distribution control issues
- Automatic climate-control functions not operating correctly
These symptoms may also be caused by sensors, blower components, vacuum systems, wiring, A/C components or other HVAC-system faults. Proper diagnosis is recommended before replacing the control unit.
Genuine OEM Mercedes-Benz Component
This is an original factory Mercedes-Benz component designed specifically for the sophisticated automatic climate-control system used in the W140 S-Class.
Original W140 electronic components are becoming increasingly difficult to find in good working condition, making a genuine OEM replacement a desirable option for maintaining the vehicle’s original equipment.
Condition
This is a used genuine OEM classic Mercedes-Benz component and may show normal cosmetic wear consistent with age and previous use.
Please review all product photographs carefully for the exact cosmetic condition of the unit being offered.
Buttons, housing, electrical connectors and mounting points should be compared with the buyer’s original unit before installation.
Only the climate-control unit and components shown in the photographs are included.
Fitment Verification
The most reliable method of confirming compatibility is to compare the number printed on your original climate-control unit with:
1408302085 / A1408302085
If your original part number is different, please contact us before purchasing.
Oz’s Garage – Used & Discontinued OEM Classic Car Parts
Usually Ships within 1 / 2 Business Days
