Mercedes-Benz S-Class Can’t Set Analog Clock Time – Permanent Fix

Can’t set the time on your Mercedes-Benz S-Class? Follow the procedures below to learn how to set the analog clock time on your Mercedes-Benz S-Class.

Problem

From 2006 to 2013 Mercedes-Benz S-Class / CL-Class, the clock showed the wrong time and couldn’t be set without a GPS connection.

Symptoms

• The date and clock will not reset
• Can’t set time via COMAND
• The analog clock shows the wrong time
• The clock doesn’t sync with COMAND.
• The analog clock shows the wrong time
• The analog clock won’t adjust after making changes

This problem affects all S-Class W221 models, including S550, S400, S500, and C216 models, such as CL550.

Solution

First, try this solution: 

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1. Power off the COMAND unit, lock the vehicle, and let the car park for a few hours.
2. Unlock the vehicle and enter the car.
3. Turn on the ignition lights, but don’t start the engine. If you have the START button, press it without pressing the brakes.
4. Turn on COMAND.
5. Go to the time date settings.
6. Adjust the date and time, then confirm.

These steps must be completed within one minute.

The above solution doesn’t always work. 

If that is your case, the only permanent solution is to apply a patch to the COMAND, which fixes this issue and allows you to change the time anytime without any restrictions.

1. First, download this patch and burn it on a new DVD.
2. Eject all CDs and DVDs from the drive.
3. Put the created DVD in the drive-in position 1.
4. Go to vehicle settings in COMAND.
5. Switch off the display.
6. With the display off, press the “*” key (which is called the favorite key), and at the same time, move the dial to the right (but don’t turn the dial or press it. Press it to the right), keep both pressed and then press the massage and mute keys.
7. Now, the developer menu opens, and you can navigate it with the rotary control.
8. Go to software update, and press to confirm.
9. It takes five to ten minutes, and an error message will appear, but you can ignore it.
10. After that, the command will show errors in the Star Diagnostic; you must delete them the next time the diagnostic device is connected. But everything works, including the clock

Applications

• S-Class W221
  • S350
  • S550
  • S600
  • S400 Hybrid
  • S63 AMG
  • etc
• CL-Class C216
  • All models

Model Years

• 2007, 2008, 2009, 2010, 2011, 2012, 2013

We hope you find the Mercedes-Benz S-Class Can’t Set Analog Clock Time – Permanent Fix guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.

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