MBWorld.org Forums

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

P203D Code

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old May 23, 2020 | 10:36 PM
Share
  #1  
Harinderassie's Avatar
Harinderassie
Thread Starter
Junior Member
5 Year Member
 
Joined: May 2018
Posts: 33
Likes: 0
2012 GL350 Bluetec
P203D Code
Got a P203D code states Reductant level sensor circuit high. Any one can help me with what that actually means it is for a 2012 GL350 Bluetec.

Can use any help on what part is defective or if i have to do something.
Reply
0
Old May 23, 2020 | 11:13 PM
Share
  #2  
Max Blast's Avatar
Max Blast
MBWorld Fanatic!
15 Year Member
Photogenic
Loved
Community Favorite
 
Joined: Jan 2010
Posts: 3,119
Likes: 784
NGL450 w/EORP, S550
https://www.obd-codes.com/p203d
Reply
0
Old May 24, 2020 | 12:03 AM
Share
  #3  
SKGL450's Avatar
SKGL450
Junior Member
 
Joined: Apr 2020
Posts: 35
Likes: 6
Mercedes GL 450 4.7
Diagram
If you send me the vin I may be able to help you with a diagram and multifunctions list.
Reply
0
Old May 20, 2021 | 01:19 PM
Share
  #4  
RiverX's Avatar
RiverX
Junior Member
 
Joined: Feb 2019
Posts: 35
Likes: 10
From: Canada
ML350 Bluetec 2014
Smile
Originally Posted by SKGL450
If you send me the vin I may be able to help you with a diagram and multifunctions list.
Hi there, sorry about intruding to an old topic. I also have P203D code. Could you please help with the diagram and multifunctions list? VIN of Bletec: 4JGDA2EB6EA294215. Thanks in advance for your help, much appreciated.
Reply
0
Old May 20, 2021 | 01:41 PM
Share
  #5  
SKGL450's Avatar
SKGL450
Junior Member
 
Joined: Apr 2020
Posts: 35
Likes: 6
Mercedes GL 450 4.7
Code
Originally Posted by RiverX
Hi there, sorry about intruding to an old topic. I also have P203D code. Could you please help with the diagram and multifunctions list? VIN of Bletec: 4JGDA2EB6EA294215. Thanks in advance for your help, much appreciated.
I am so sorry I am in Europe at the moment and I dont have a access to my benz laptop top.
If you don't solve the problem I can send you diagram after June 30.
O
Reply
0
Old May 20, 2021 | 04:05 PM
Share
  #6  
RiverX's Avatar
RiverX
Junior Member
 
Joined: Feb 2019
Posts: 35
Likes: 10
From: Canada
ML350 Bluetec 2014
Thanks for your prompt response.
Reply
0
Back to Subforum
GL Class (X164)
View Next Unread
Rear Hatch Hydraulic Pump Reservoir Leak Fix - Oring size?

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


You have already rated this thread Rating: Thread Rating: 0 votes, average.
Show Printable Version
Email this Page

Advanced Search

All times are GMT -4. The time now is 02:51 AM.

story-0
New Electric Mercedes-AMG GT 4-Door Coupe Unveiled: 10 Things You Need to Know

Slideshow: Mercedes-AMG's new electric GT 4-Door Coupe trades combustion for software, synthetic noise, and more than 1,100 horsepower.

By Verdad Gallardo | 2026-05-20 20:08:15


VIEW MORE
story-1
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

Slideshow: Not every Mercedes design becomes timeless, some feel stuck in the era they came from.

By Verdad Gallardo | 2026-05-12 18:09:07


VIEW MORE
story-2
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

Slideshow: Yes, Mercedes built manual cars, and some of them are far more interesting than you'd expect.

By Verdad Gallardo | 2026-05-02 12:36:58


VIEW MORE
story-3
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.

By Verdad Gallardo | 2026-04-29 11:19:28


VIEW MORE
story-4
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

Slideshow: Before curves took over, Mercedes mastered the art of the straight line, and some of those shapes still look right today.

By Verdad Gallardo | 2026-04-25 12:05:49


VIEW MORE
story-5
Flawlessly Restored Mercedes 190E Evo II Heads to Auction

Slideshow: The 190E Evolution II shows how a homologation necessity became a six-figure collector icon.

By Verdad Gallardo | 2026-04-22 17:53:47


VIEW MORE
story-6
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

Slideshow: Mercedes is turning one of its core nameplates electric, and the details show just how serious this shift is.

By Verdad Gallardo | 2026-04-21 13:58:06


VIEW MORE
story-7
Mercedes EQS Gets A Major Update: Everything You Need to Know

Slideshow: Faster charging, longer range, and a controversial steer-by-wire system define the latest evolution of Mercedes-Benz EQS.

By Verdad Gallardo | 2026-04-15 10:35:34


VIEW MORE
story-8
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve

Slideshow: These overlooked Mercedes-Benz models never got the spotlight, but they quietly delivered more than most remember.

By Verdad Gallardo | 2026-04-13 19:35:45


VIEW MORE
story-9
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping

Slideshow: A well-used 1991 Mercedes-Benz 300D with more than one million miles is now looking for a new owner, and it still appears ready for more.

By Verdad Gallardo | 2026-04-10 10:05:15


VIEW MORE