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Warning on dashboard

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Old May 18, 2024 | 01:34 PM
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C300 Luxury 2009
Warning on dashboard

Hey friends!

So this just happened. See pic. Thankfully it happened close to home so I was able to return. Turned it off and on again so it allowed me to accelerate for a few min and then warning light comes again and it doesn’t allow me to accelerate, just moves on drive idle speed.

Has anyone experienced this before? I recently took car to replace engine mounts and a pump since there was some oil leaking. I hope it is just something that got disconnected and an easy fix.
Or maybe something related to the potential transmission issue I literally just posted a few min ago…

Appreciate any feedback gents (and gals)

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Old May 18, 2024 | 07:00 PM
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2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500 (M113), 2004 Audi TT225 (BEA)
1. Scan for codes, and
2. Come back with the results.



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Old May 19, 2024 | 10:01 AM
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2011 C300 4matic Sport (W204)
Wow same thing happened to me this week. P2123.


looks like I need to replace my accelerator pedal sensor.
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Old May 19, 2024 | 10:43 AM
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Sounds like your gas pedal needs replacement.
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Old May 19, 2024 | 10:44 AM
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C300 Luxury 2009
Originally Posted by DarkOps
Wow same thing happened to me this week. P2123.


looks like I need to replace my accelerator pedal sensor.

Thank you for sharing. Did you have it checked and fixed already by any chance. I’m probably gonna be taking the car sometime this week to the mechanic but would truly appreciate if anyone can confirm their diagnose and cost of fixed already
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