GLC Class (X254) Produced 2023+

2 week old 2025 GLC 300

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Old Mar 28, 2025 | 06:12 PM
  #1  
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From: Wells Maine USA
1995 e320 cab 2026 glc 300 pinnical
2 week old 2025 GLC 300

I have a 2025 GLC 300 that I had for 2 weeks
First week issue was Dynamic headlight system inoperative. Parts ordered and are to be installed on Monday
Second week issue Active Brake assist functions limited,Active Emergency stop assist currently unavailable, Active steering assist inoperative, Active lane assist unavailable

did I get a lemon?
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Old Mar 29, 2025 | 12:07 AM
  #2  
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That's disappointing. But give them a chance to fix it.

My B200 that the 2025 GLC 350e will be replacing had some teething issues under warranty and ELW but I've driven it for close to 18 years and 230K miles and it was good enough to buy another.
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Old Mar 29, 2025 | 08:43 AM
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Originally Posted by Eric Baum
I have a 2025 GLC 300 that I had for 2 weeks
First week issue was Dynamic headlight system inoperative. Parts ordered and are to be installed on Monday
Second week issue Active Brake assist functions limited,Active Emergency stop assist currently unavailable, Active steering assist inoperative, Active lane assist unavailable

did I get a lemon?
Mostly software perhaps.
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Old Mar 31, 2025 | 08:43 AM
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'13 s212 63 p30. '06 LX470
Often times the auxiliary features are powered from an auxiliary battery. I’m not quite familiar with this model, but perhaps the auxiliary battery does not have a good charge.
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Old Mar 31, 2025 | 10:54 AM
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1995 e320 cab 2026 glc 300 pinnical
Car is in for service today and will see what they come up with
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Old Mar 31, 2025 | 12:22 PM
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Originally Posted by Eric Baum
Car is in for service today and will see what they come up with
Hope they figure it out.
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Old Apr 2, 2025 | 09:45 PM
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From: Wells Maine USA
1995 e320 cab 2026 glc 300 pinnical
Pick up car this morning after headlight parts replaced and update computer for the Distonic issues

Drove the car and took it for a car wash. While driving back home Dynamic headlight features limited appeared so back to the dealership for them to contact the factory regarding issues.

the car is possessed I think or doesn’t like car washes
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Old Apr 2, 2025 | 09:46 PM
  #8  
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Originally Posted by Eric Baum
Pick up car this morning after headlight parts replaced and update computer for the Distonic issues

Drove the car and took it for a car wash. While driving back home Dynamic headlight features limited appeared so back to the dealership for them to contact the factory regarding issues.

the car is possessed I think or doesn’t like car washes
Looks like moisture is getting to places it shouldn't be, did they seal it properly?
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Old Apr 3, 2025 | 03:37 PM
  #9  
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From: Wells Maine USA
1995 e320 cab 2026 glc 300 pinnical
Just got a call that they are going to replace the left headlight now
Wait and see now
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Old Apr 3, 2025 | 05:01 PM
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Originally Posted by Eric Baum
Just got a call that they are going to replace the left headlight now
Wait and see now
I see so was it a seal issue?
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Old Apr 4, 2025 | 07:47 PM
  #11  
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From: Wells Maine USA
1995 e320 cab 2026 glc 300 pinnical
Not sure about the seal as there was no moisture in the lamp
They are waiting for the headlight part and feel I should get the car back on Tuesday
I feel they have had the car longer than me. At least they have given me a GLC300e hybrid as a loaner
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Old Apr 4, 2025 | 08:04 PM
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Originally Posted by Eric Baum
Not sure about the seal as there was no moisture in the lamp
They are waiting for the headlight part and feel I should get the car back on Tuesday
I feel they have had the car longer than me. At least they have given me a GLC300e hybrid as a loaner
I see.
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Old Apr 13, 2025 | 07:15 PM
  #13  
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From: Wells Maine USA
1995 e320 cab 2026 glc 300 pinnical
Originally Posted by W205C43PFL
I see.
car was returned on Thursday
all is working now so we will see if it has been fixed
notation on service stated it took six try’s to program headlight module
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Old Apr 13, 2025 | 07:42 PM
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Originally Posted by Eric Baum
car was returned on Thursday
all is working now so we will see if it has been fixed
notation on service stated it took six try’s to program headlight module
Thanks for the update, glad to hear the car is back, hopefully like you said it is fixed for good, fingers crossed.
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Old May 4, 2025 | 03:43 PM
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Mercedes Benz GLC 300 4 Matic
2 week old GLC 300

Please read my post on multiple threads regarding digital lights, I hope it helps.
it should be under my post name joprinter
good luck and best wishes.
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Old May 21, 2025 | 10:23 AM
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My 2025 GLC 300 is also 2 week old .Today the check engine light is on. She is at dealer now and I was told that multiple issues with Engine and MBUX. I am also concerned about a Lemon car.
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Old May 21, 2025 | 11:45 AM
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Originally Posted by SnowBao
My 2025 GLC 300 is also 2 week old .Today the check engine light is on. She is at dealer now and I was told that multiple issues with Engine and MBUX. I am also concerned about a Lemon car.
I seen CEL caused by bad software, hopefully the updates help. Depending on the size of the update and how many modules needed to be updated, it can take hours or even days so need to be patient.
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Old May 21, 2025 | 11:48 AM
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Originally Posted by joprinter
Please read my post on multiple threads regarding digital lights, I hope it helps.
it should be under my post name joprinter
good luck and best wishes.
Allow me to link them for easier access for forum members:
https://mbworld.org/forums/glc-class...ml#post9156752
https://mbworld.org/forums/glc-class...ml#post9155320
https://mbworld.org/forums/glc-class...ml#post9155063
https://mbworld.org/forums/glc-class...ml#post9155050
https://mbworld.org/forums/glc-class...ml#post9155013
https://mbworld.org/forums/glc-class...ml#post9154955
https://mbworld.org/forums/glc-class...ml#post9154950
https://mbworld.org/forums/glc-class...ml#post9154947
https://mbworld.org/forums/glc-class...ml#post9154807
https://mbworld.org/forums/glc-class...ml#post9154805
https://mbworld.org/forums/glc-class...ml#post9154803
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Old May 21, 2025 | 11:51 AM
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Originally Posted by Eric Baum
…did I get a lemon?
No. You got a Mercedes.

Sorry to hear of the difficulties. Normal, sadly, part of the MB ownership experience.
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Old May 31, 2025 | 07:25 AM
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GLC300
Lightbulb Steering wheel

I had intermittent similar messages about emergency braking over the first year. It became more frequent, multiple times per drive. The dealer struggled a bit with the diagnosis and replaced the steering column electronics module. I picked up the vehicle and noted lane keeping wouldn't turn on. they replaced the steering wheel. That was a couple of months ago and the problem hasn't recurred.

I must admit it all shakes my confidence a bit in MB. On the flip side, I give the dealer credit for their persistence.
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