Heater Valve Repair Kit – Mercedes W210 W220 W124 | Seals Only | P/N 0018307884 2208300184

This seal kit specifically fits Mercedes-Benz heater valves with P/N 0018307884, 2208300184, 0018303884, and 0018303684. Replaces the O-rings and seals — restoring full heat control without replacing the whole valve. Mercedes-Benz E-Class W210/S210, S-Class W220, W124 — equipped with valve P/N 0018307884 or equivalents

Fits OEM #0018307884.

When to Inspect This Part

• HVAC system blows only hot air
• HVAC system blows only cold air
• cabin temperature cannot be adjusted correctly
• different air temperature from the left and right vents
• weak cabin heat
• fluid or coolant leakage

What's Included

• All internal seals and O-rings — seals only

Important Limitations

This repair is suitable when the original valve housing and electrical solenoids remain functional. A cracked housing or failed solenoid may require a complete valve assembly.

Part Number / PN

0018307884, 2208300184, 0018303884, 0018303684, 653590728795, 1147412090

Important Fitment Check

Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 0018307884 is the primary fitment check.

FAQ

How do I confirm fitment for this Heater Valve Repair Kit?

Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 0018307884. Do not select the part by vehicle model alone.

What symptoms may indicate a problem with this Heater Valve Repair Kit?

Confirmed symptoms include HVAC system blows only hot air, HVAC system blows only cold air, cabin temperature cannot be adjusted correctly, different air temperature from the left and right vents. Diagnose the original assembly before ordering so another fault is not mistaken for this part.

What is included with this Heater Valve Repair Kit?

The confirmed kit contents are: All internal seals and O-rings — seals only.

Does this listing include the complete surrounding assembly?

This repair is suitable when the original valve housing and electrical solenoids remain functional. A cracked housing or failed solenoid may require a complete valve assembly.

What should be checked before installation?

Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.

• Mercedes

Orders ship within 1–2 business days.

Standard delivery:

• USA: Some items ship from our US warehouse and arrive within 3 business days.
• USA-EU: 10–21 business days
• Worldwide: 14–30 business days

Shipping cost is shown at checkout.

Can I exchange or return an item?

Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights

To use this feature, please make sure that:

• the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
• the goods are fully completed and the integrity of the packaging is not violated
• retained all labels and factory markings