• Manual
  • Video gallery
  • Downloads
  • Software updates

Limitations of Road Sign Information*

The Road Sign Information (RSI1) function may have limitations in certain situations.

The function is available in certain markets.

Examples of what can reduce the function are as follows:
  • Faded signs
  • Signs positioned on bends
  • Rotated or damaged signs
  • Signs positioned high above the roadway
  • Fully/partially obscured or poorly positioned signs
  • signs completely or partly covered with frost, snow and/or dirt
  • digital map data with outdated, incorrect or missing speed information2
  • no Internet connection
  • approval for Google Maps3.

 Note

In certain markets, the Road Sign Information function is only available in combination with map data. This may require changing the settings for Google Maps3.

 Note

Some bicycle rack types connected to the power socket for trailers can be interpreted as connected trailers by the Road Sign Information system. The driver display may show incorrect speed information in such cases.

 Note

This function uses the car's camera and/or radar units, which have certain general limitations.
  1. * Option/accessory.
  2. 1 Road Sign Information
  3. 2 Map data with speed information does not exist for all areas.
  4. 3 Read more at Maps Privacy center.