SLK-Class (R171) 2004-2010: SLK200K, SLK280, SLK350, SLK55, SLK55 Black Series

SLK/R171: OVERVOLTAGE at Terminal 30 SLK350

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old Nov 13, 2020 | 07:28 PM
  #1  
racer88's Avatar
Thread Starter
Newbie
 
Joined: Nov 2020
Posts: 3
Likes: 0
SLK350
OVERVOLTAGE at Terminal 30 SLK350

Hello!
I'am new here but long time with my SLK350 - 2005 - Mine since new... now with only 17K miles.
Apperar code C1212 Overvoltage at Terminal 30 and others 7 codes. Disconect the ABS, BAS and ESP.
Someone can help me?
I found some informations for undervoltage but mine is overvolotage.
Thanks.
Reply
Old Nov 15, 2020 | 04:13 PM
  #2  
racer88's Avatar
Thread Starter
Newbie
 
Joined: Nov 2020
Posts: 3
Likes: 0
SLK350
VIN - WDBWK56F15F022895
Codes readed
C1212 - Overvoltage at terminal 30
C1510 - For this model series ignore the fault code
C1025 - Comunication with the engine system is faulty
C1027 - Fault in CAN comunication with control unit N15;3 (ETC/EGS) control unit
C1210 - 1 - road test 2 -terminal 30 undervoltage
C1123 - L6/3 - Rear Speed Sensor carry out visual inspection
C1122 - L6/3 - Left Rear speed sensor signal fault
C1707
I try to erase, the scan send the request, but when it check it again, the codes return... only with ign position 1, does not need to start engine.

Thanks

Last edited by racer88; Nov 15, 2020 at 04:41 PM.
Reply
Old Sep 25, 2021 | 01:20 AM
  #3  
Russell Ormerod's Avatar
MBWorld Fanatic!
 
Joined: Jun 2011
Posts: 1,494
Likes: 131
From: Cape town
not a merc
Overvoltage =alternator regulator ! Simple as that
Reply

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


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


All times are GMT -4. The time now is 07:22 PM.

story-0
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-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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
story-9
10 Most Reliable Mercedes-Benz Models You Can Buy Used

Slideshow: From bulletproof sedans to surprisingly tough SUVs, these Mercedes models proved that the three-pointed star can go the distance.

By Verdad Gallardo | 2026-04-08 09:55:49


VIEW MORE