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Ulfeng Navigation SD Card Map Review: Is it the right Mercedes Audio 20 update?

Navigation SD Card Map Compatible with Mercedes Garm./Pilot, C-Class E-Class GLC.Version 14.0 (MAP 14.0) ONLY BE Used in The Audio 20 (Code 522) NTG Sync USA/Can/Mex
4.5
[Vehicle Compatibility]  Fits Audio 20 (Code 522) NTG5 systems for select C, E and GLC models built before 08/2017.
[Regional Map Coverage]  Covers USA, Canada, Mexico, Puerto Rico, USVI and Bahamas with roads and speed limit updates.
[Latest Map Version]  Garmin/Pilot Map 14.0 (A2139065607) delivers current navigation data and fixes.
[Updated POIs & Roads]  Includes new roads, businesses, schools, hospitals and POIs for accurate routing.
[Fitment Check & Support]  Verify compatibility via VIN at vindecoderz or contact seller for prompt assistance.
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Navigation SD card for Mercedes Audio 20 systems, delivering updated North American maps and speed limit corrections. Enjoy more confident journeys when driving unfamiliar roads with clearer routing and updated points of interest. Is the Ulfeng Navigation SD Card Map the correct fit for your Mercedes Audio 20 head unit?

⚡ At a Glance
  • Map Coverage: Includes roads, new businesses and points of interest across USA, Canada, Mexico, Puerto Rico, Virgin Island and Bahamas, plus speed limit updates
  • Best for: Mercedes drivers with Audio 20 (Code 522) NTG 5 head units who travel across North America
  • Not ideal for: Owners of non-Audio 20 head units or vehicles outside the specified model years and build dates

Map version 14.0 supplies updated roads, POIs and speed limits across North America. Compatibility restricted to Audio 20 (Code 522) NTG 5 systems in specified Mercedes models.


More reliable routing - with Map Version 14.0

Map version 14.0 contains updates to roads, businesses, schools, hospitals and points of interest, together with speed limit data. The update applies to the navigation database on the SD card used by Audio 20 (Code 522) NTG 5 systems.

Drivers gain more accurate directions through recently changed areas, reducing wrong turns and reroutes.

Extensive North American coverage - with USA, Canada and Mexico maps

Coverage specifically lists the United States, Canada, Mexico, Puerto Rico, Virgin Island and the Bahamas, with map and speed limit updates across cities, counties and metropolitan areas.

Useful for cross-border travel and island routes, ensuring navigation works across the most commonly visited regions.

Confirmed-fit requirement - thanks to Audio 20 (Code 522) NTG 5 compatibility

Compatibility is limited to Audio 20 (Code 522) NTG 5 systems and specific Mercedes models and build dates, with a referenced map ID A2139065607 Garm./Pilot. VIN lookup and the vehicle build-date stamp on the driver-side door confirm fitment.

Check the head unit code and build date before purchasing, or contact the seller for fitment help to avoid mismatch.

✨ The 4 Key Reasons for Ulfeng Navigation SD Card Map
  1. Map Version 14.0 - Improves route accuracy by including newly added roads and POIs
  2. Speed Limit Updates - Keeps speed limit information current across covered regions for safer driving
  3. Audio 20 (Code 522) Compatibility - Designed specifically for NTG 5 head units in listed Mercedes models
  4. Island and Territory Coverage - Adds Puerto Rico, Virgin Islands and Bahamas for broader regional navigation
📋 Technical Details at a Glance
  • Category: Navigation SD card
  • Map Version: 14.0 (MAP 14.0)
  • Map ID: A2139065607 Garm./Pilot
  • Compatible Systems: Audio 20 (Code 522), NTG 5
  • Compatible Models: C-Class (BR205) 2015–2017 built before 08/2017; E-Class (BR213) 2017–2018; GLC-Class 2015–2017 built before 08/2017
❓ Frequently Asked Questions

Q: How do I know whether the SD card fits my Mercedes?

A: Verify the head unit code and build date; compatibility is limited to Audio 20 (Code 522) NTG 5 systems and specific model years. Use a VIN lookup at vindecoderz or check the vehicle’s build-date stamp on the driver-side door, and contact the seller if unsure.

Q: Which countries and territories are included in the map coverage?

A: Coverage includes the United States, Canada, Mexico, Puerto Rico, the Virgin Island and the Bahamas, with updates across cities, counties and metropolitan areas.

Q: Are speed limit changes included in the update?

A: Yes, speed limit updates are included alongside new roads and points of interest in map version 14.0.

🏆 Our Verdict

Suitable for Mercedes owners who have Audio 20 (Code 522) NTG 5 head units and need up-to-date North American navigation. Map version 14.0 focuses on new roads, businesses, POIs and speed limit updates across the listed regions. Availability varies, yet regular map updates deliver practical long-term value for drivers who travel in the covered areas.