Wing Mirror Buying Guide
Last updated: 24 April 2026
Wing mirrors (door mirrors) provide essential rearward visibility. They contain a glass element, housing, motor (for electric adjustment), and often heating elements and indicator repeaters. A damaged mirror is a safety hazard and an MOT failure. Individual components (glass, motor, housing) can often be replaced without changing the entire mirror assembly.
Wing mirror damage and failure
Wing mirrors are vulnerable to damage from passing vehicles, car park impacts, and vandalism. Electrical faults also affect motor adjustment and heating functions.
- Cracked, broken, or missing mirror glass
- Mirror does not fold in or out (electric folding motor failure)
- Electric adjustment does not work in one or more directions
- Mirror glass does not de-mist (heater element failure)
- Indicator repeater in the mirror housing is not working
Mirror replacement options
Many mirror faults can be fixed by replacing individual components rather than the entire mirror assembly, saving significant cost.
- Mirror glass can be replaced separately by unclipping the old glass from the adjustment plate
- The adjustment motor is accessible by removing the glass and backing plate
- Complete mirror assemblies include all components and are the easiest option
- Primer-finish mirror covers are available for colour-matching to your vehicle's paintwork
Category page
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Electric, heated, and folding wing mirrors — glass replacement vs full unit, and colour matching tips.
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Frequently Asked Questions
Can I replace just the mirror glass?
Yes. Most mirror glasses clip onto an adjustment plate behind the glass. Replacement glass is available with or without heating elements and is much cheaper than a complete mirror.
Is a broken wing mirror an MOT failure?
A missing or damaged driver's side mirror is an MOT failure. The passenger mirror is also tested if it was fitted as original equipment. Cracked glass may be an advisory or failure depending on severity.
How do I fold my electric mirrors manually?
Most electric folding mirrors can be folded manually by pushing them gently. However, they must be unfolded electrically before normal adjustment will work. Forced folding while the motor is stuck can damage the gear.
Do I need to paint a new mirror cover?
Replacement mirror covers are supplied in primer finish. You can have them painted to match your vehicle's colour code, or you can fit colour-coded covers available from some suppliers.
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