Mercedes-Benz Summerfit Windshield Washer Fluid Concentrate

Mercedes‑Benz Summerfit Windshield Washer Fluid Concentrate (000‑986‑20‑00‑09) is a genuine 40 ml bottle of concentrated washer fluid designed to dilute into a ready-to-use summer windshield cleaning solution for Mercedes vehicles.

This compact concentrate is an original-equipment Mercedes‑Benz part intended to refresh your vehicle’s windshield washer reservoir with a summer-grade formula. Supplied in a small, easy-to-store bottle, the concentrate mixes with water to create a streak‑free cleaning solution suitable for warm weather conditions and everyday road grime. It replaces several older part numbers and is compatible across Mercedes passenger cars, providing a factory-recommended option for maintaining clear vision and preserving washer-system components.

How do I use the Summerfit concentrate in my Mercedes‑Benz?

Using the 40 ml bottle is straightforward: pour the measured concentrate into your washer fluid reservoir and top up with the recommended amount of water to achieve the summer mixture strength. Always follow the vehicle manual’s fill guidelines to avoid overfilling and to ensure the correct dilution for weather conditions.

• Add one 40 ml bottle per specified volume of reservoir water per the owner’s manual.
• Mix gently and cycle the washer to confirm spray pattern and clarity.
• Store unused concentrate in a cool, dry place away from direct sunlight.

What benefits does this Mercedes‑Benz washer concentrate provide?

The Summerfit formula cleans insects, dust, light road film, and everyday residues without leaving heavy streaks in warm weather. Because it’s an OEM product, the concentrate is formulated to be compatible with Mercedes washer pumps, nozzles, and wiper blade materials, reducing the risk of component wear from incompatible chemicals.

• Formulated for summer conditions — removes bugs and road film effectively.
• Compact 40 ml bottle for easy storage and measured dosing.
• OE compatibility helps protect washer system seals and nozzles.

Will this replace older Mercedes part numbers and fit my model?

Yes — the Summerfit concentrate (000‑986‑20‑00‑09) replaces several prior part numbers and is listed as compatible with all Mercedes‑Benz passenger vehicles. Check your owner’s manual or dealer parts list to confirm compatibility for specific model years and reservoir capacities.

• Replaces former part numbers: 001‑986‑44‑71‑10, 001‑986‑80‑71‑10, 001‑986‑80‑71‑14, 001‑986‑80‑71‑17.
• Suitable for Mercedes passenger vehicles when diluted per instructions.
• OEM labeling assures fit and formula consistency across models.

Can I store and transport the concentrate safely?

The small sealed bottle is designed for safe handling and storage; observe basic safety measures like keeping the cap closed and storing away from children and pets. Avoid extreme heat and secure the bottle during transport to prevent leaks.

• 40 ml size is convenient for glovebox or tool kit storage.
• Keep upright and capped to prevent accidental spillage.
• Follow local disposal rules for any empty containers.

Who is this for: Mercedes‑Benz Summerfit Windshield Washer Fluid Concentrate is aimed at Mercedes owners who prefer using genuine OEM maintenance products, drivers who want a simple summer washer solution in a compact, premeasured bottle, and technicians who need a factory-specified concentrate for service work. It’s especially useful for owners who travel in warm climates and want an effective, vehicle‑compatible cleaner that’s easy to store and mix.