Description
Buy Genuine ID.4 / ID.5 N/S (Passenger Side) Mirror Glass – 11C 857 521
Restore your vehicle’s safety and visibility with a genuine Volkswagen Nearside (Passenger Side) Mirror Glass (Part Number: 11C 857 521). Designed specifically for the ID.4 and ID.5, this replacement glass ensures full compatibility with your vehicle’s integrated mirror technology, including heating elements and side-assist sensors (where equipped).
Product Overview
Driving with cracked or damaged mirror glass is not only a significant safety hazard—compromising your ability to monitor blind spots—but it can also lead to an MOT failure. The 11C 857 521 mirror glass is a genuine OEM component, ensuring an identical optical match to your vehicle’s original equipment. It provides the exact clarity, tint, and field of view required for the sophisticated driver assistance systems found in the ID.4 and ID.5.
Compatibility & Fitment
This mirror glass is designed to integrate perfectly with the mirror housing of the ID.4 and ID.5.
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Models: Volkswagen ID.4 and ID.5.
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Side: N/S (Nearside / Passenger Side).
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OEM Part Number: 11C 857 521.
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Application: Direct replacement for damaged or missing mirror glass.
Important Compatibility Note: Depending on your vehicle’s trim level, your mirror glass may include additional features such as heated elements or blind-spot monitoring (Side Assist) icons. Please check your vehicle’s build specification or contact us with your VIN so we can ensure the 11C 857 521 is the exact technical match for your specific configuration.
Performance & Safety Benefits
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OEM Visibility: Maintains the correct magnification and clarity for safe lane changing and parking.
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Safety Compliance: Ensures all integrated sensors (if applicable) continue to function correctly.
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Weather Durability: Built to withstand environmental exposure without fogging or deteriorating behind the glass surface.
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Perfect Fit: Snaps securely into the factory backing plate, ensuring no vibration or distortion while driving.
Installation
Replacement is typically a quick process:
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Carefully tilt the existing mirror glass to gain access to the gap between the glass and the housing.
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Gently apply even pressure to unclip the old glass from the backing plate (use a plastic trim tool to prevent damage to the painted housing).
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Disconnect the electrical connectors (for heating/sensors).
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Reconnect the wiring to the new 11C 857 521 glass and snap it firmly into place until it clicks. Recommendation: If you are uncomfortable working with the electrical clips or the mirror mechanism, we recommend having this installed by a professional technician to avoid damaging the housing.
Trust & Authenticity
At Volkswagen Parts UK, we exclusively supply genuine, factory-approved parts. Purchasing the 11C 857 521 from us guarantees that you are receiving a high-quality, authentic component that aligns perfectly with your Volkswagen’s safety standards. Never settle for aftermarket glass, which often lacks the correct anti-glare tint or heating compatibility.
Why Choose Volkswagen Parts UK for Mirror Components?
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Technical Precision: We verify your VIN to ensure your mirror features (heating, side-assist) are correctly matched.
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Authenticity: Genuine OEM parts for guaranteed quality and fit.
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Fast Logistics: We dispatch your mirror glass quickly to ensure your vehicle is road-legal and safe as soon as possible.
Fast Delivery Across the UK
We provide reliable, tracked shipping throughout the nation: London, Birmingham, Manchester, Liverpool, Leeds, Glasgow, Edinburgh, Bristol, Sheffield, Leicester, Nottingham, Newcastle, Cardiff, Belfast, and Southampton.
Genuine Volkswagen Parts for UK Drivers
Your side mirrors are critical safety components. When they are damaged, don’t wait—restore your ID.4 or ID.5 to factory standards with genuine Volkswagen parts.




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