GL Class (X164) 2007-2012: GL320CDI, GL420CDI, GL450, GL550

Parktronic broke

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old 09-19-2019, 07:55 PM
  #1  
Super Member
Thread Starter
 
Mikchek's Avatar
 
Join Date: Nov 2018
Location: Atlanta, GA
Posts: 574
Received 16 Likes on 14 Posts
2001 S500 (W220) / 2007 GL450 (X164)
Parktronic sensor broke and now whole system doesn’t work

I got into a small fender bender and messed up one of my sensors...at first it would be periodically when I would break even though I wasn’t close to anything but when I got home to the garage it wasn’t working at all & I almost hit the garage wall 😩

is this an an easy fix?



Last edited by Mikchek; 09-20-2019 at 03:54 PM.
Old 09-20-2019, 03:51 PM
  #2  
Super Member
Thread Starter
 
Mikchek's Avatar
 
Join Date: Nov 2018
Location: Atlanta, GA
Posts: 574
Received 16 Likes on 14 Posts
2001 S500 (W220) / 2007 GL450 (X164)
Originally Posted by Mikchek
I got into a small fender bender and messed up one of my sensors...at first it would be periodically when I would break even though I wasn’t close to anything but when I got home to the garage it wasn’t working at all & I almost hit the garage wall 😩

is this an an easy fix?



Anybody?
Old 09-20-2019, 10:05 PM
  #3  
Super Member
Thread Starter
 
Mikchek's Avatar
 
Join Date: Nov 2018
Location: Atlanta, GA
Posts: 574
Received 16 Likes on 14 Posts
2001 S500 (W220) / 2007 GL450 (X164)
Originally Posted by Mikchek
I got into a small fender bender and messed up one of my sensors...at first it would be periodically when I would break even though I wasn’t close to anything but when I got home to the garage it wasn’t working at all & I almost hit the garage wall 😩

is this an an easy fix?


Now my back parktronic doesn’t work! Ugh! How is this system set up?
Old 09-20-2019, 10:16 PM
  #4  
MBWorld Fanatic!
 
Max Blast's Avatar
 
Join Date: Jan 2010
Posts: 2,508
Received 612 Likes on 519 Posts
Now just one GL450 with EORP.
Originally Posted by Mikchek
Now my back parktronic doesn’t work! Ugh! How is this system set up?
Where did the missing sensor go?
Old 09-20-2019, 10:21 PM
  #5  
MBWorld Fanatic!
 
whoover's Avatar
 
Join Date: Mar 2006
Location: San Jose area
Posts: 4,165
Received 321 Likes on 237 Posts
'19 E63S sedan
Originally Posted by Max Blast
Where did the missing sensor go?
I just had one replaced. The sensor needs to be painted to your color. Bumper removal. Replacement. Bumper reinstall. Then calibration. Dealer charged $1,200.
Old 09-21-2019, 02:49 AM
  #6  
Super Member
Thread Starter
 
Mikchek's Avatar
 
Join Date: Nov 2018
Location: Atlanta, GA
Posts: 574
Received 16 Likes on 14 Posts
2001 S500 (W220) / 2007 GL450 (X164)
Originally Posted by Max Blast
Where did the missing sensor go?
It was just hanging but when I attempted to straighten it out it fell inside the bumper. I just don’t understand why the back stopped working too 🤷🏾*♂️
Old 09-21-2019, 02:59 AM
  #7  
Super Member
Thread Starter
 
Mikchek's Avatar
 
Join Date: Nov 2018
Location: Atlanta, GA
Posts: 574
Received 16 Likes on 14 Posts
2001 S500 (W220) / 2007 GL450 (X164)
Originally Posted by whoover
I just had one replaced. The sensor needs to be painted to your color. Bumper removal. Replacement. Bumper reinstall. Then calibration. Dealer charged $1,200.
Damn just to replace a sensor? I wonder what is involved in the recalibration. I’m guessing since one is gone the “loop” is broken and it isn’t working anymore.
Old 09-21-2019, 11:40 PM
  #8  
MBWorld Fanatic!
 
Max Blast's Avatar
 
Join Date: Jan 2010
Posts: 2,508
Received 612 Likes on 519 Posts
Now just one GL450 with EORP.
Originally Posted by Mikchek
It was just hanging but when I attempted to straighten it out it fell inside the bumper. I just don’t understand why the back stopped working too 🤷🏾*♂️
It may still be working, and sensing the inside of the bumper as an immovable object, sending a constant detection signal to the point where the system triggers a false alarm threshold and shuts itself off.

try to fish the sensor out and do what you have to do to get it pointing in the right direction and then see what you get.
Old 09-22-2019, 01:01 PM
  #9  
alx
MBWorld Fanatic!
 
alx's Avatar
 
Join Date: Dec 2004
Posts: 4,268
Received 248 Likes on 214 Posts
They are held in place in a rather flimsy way. There is a plastic bracket in the back that when backed out (or broken) will let the sensor fall into the bumper cavity. You need to remove the front fender, fish the sensor and reattach it. Double sided tape works well then the system needs to be interrogated with star/ das and possibly re- enabled. Sometimes they just start working. Some times star/ das is needed.
Old 10-22-2019, 03:53 PM
  #10  
Super Member
Thread Starter
 
Mikchek's Avatar
 
Join Date: Nov 2018
Location: Atlanta, GA
Posts: 574
Received 16 Likes on 14 Posts
2001 S500 (W220) / 2007 GL450 (X164)
Originally Posted by alx
They are held in place in a rather flimsy way. There is a plastic bracket in the back that when backed out (or broken) will let the sensor fall into the bumper cavity. You need to remove the front fender, fish the sensor and reattach it. Double sided tape works well then the system needs to be interrogated with star/ das and possibly re- enabled. Sometimes they just start working. Some times star/ das is needed.
anywhere I can buy a new sensor with the bracket?
Old 10-29-2019, 10:11 AM
  #11  
bha
Senior Member
 
bha's Avatar
 
Join Date: Aug 2009
Posts: 424
Likes: 0
Received 56 Likes on 45 Posts
13 GL350, 14 SL550
Originally Posted by alx
They are held in place in a rather flimsy way. There is a plastic bracket in the back that when backed out (or broken) will let the sensor fall into the bumper cavity. You need to remove the front fender, fish the sensor and reattach it. Double sided tape works well then the system needs to be interrogated with star/ das and possibly re- enabled. Sometimes they just start working. Some times star/ das is needed.
How is the system ‘re enabled” with STAR/DAS? I have replaced my controller for Parktronic (as all of the sensors stopped working and STAR reports an error with every single sensor.. which isn’t possible). System still doesn’t work. Would appreciate the path or details in STAR on how to re enable

To the original poster, you need to have that sensor replaced.. if it’s broken there are cheap replacements on eBay from China that work. Otherwise see if yours is still there and you can fish it out and tape it. You may be able to remove the cover under the bumper to get your hand in there depending on which sensor it is.. .some are accessible from underneath.

Once you have the sensor reinstalled see if the system works. If not, you may have another sensor that went dead (maybe in the rear). Scanning with a STAR/DAS laptop is the only way to know which sensor is faulty.. I’d fix your front sensor then if things don’t work, have the system scanned.

The correct fix of course is to have the bumper removed, damage repaired (dealer would probably replace the sensor too) and everything reinstalled.. will be expensive!

See if you can find a small good body shop near you and ask them to help. They’ll have a much more cost effective solution.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 


You have already rated this thread Rating: Thread Rating: 0 votes,  average.

Quick Reply: Parktronic broke



All times are GMT -4. The time now is 04:22 AM.