MBWorld.org Forums

C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

coolant visit workshop

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old Nov 18, 2018 | 04:52 PM
Share
  #1  
beers's Avatar
beers
Thread Starter
Newbie
 
Joined: Nov 2018
Posts: 4
Likes: 0
c240
coolant visit workshop
hello I have a w203 or 01 c240 and i am getting coolant visit workshop fan comes on as it should at start up.when driving car does not warmup it rose to 60degrees celcius and drops back to just above 40 and i have no heat to speak of . I am pretty sure tstat is bad but not sure why that would cause coolant visit workshop. thanks for any help
Reply
0
Old Nov 19, 2018 | 11:05 AM
Share
  #2  
mtnman82's Avatar
mtnman82
MBWorld Fanatic!
 
Joined: Dec 2005
Posts: 1,055
Likes: 50
From: SoCal. Desert
'16 E350, gone: '03 c230k
I assume you've checked the coolant reservoir for coolant level? This can also come on if your wiper fluid becomes low. These are two of the simple things it could be, there are of course other things which could lead to this.
Reply
0
Old Nov 19, 2018 | 01:03 PM
Share
  #3  
tjts1's Avatar
tjts1
MBWorld Fanatic!
5 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2017
Posts: 2,290
Likes: 434
C320
Originally Posted by beers
hello I have a w203 or 01 c240 and i am getting coolant visit workshop fan comes on as it should at start up.when driving car does not warmup it rose to 60degrees celcius and drops back to just above 40 and i have no heat to speak of . I am pretty sure tstat is bad but not sure why that would cause coolant visit workshop. thanks for any help
Because the ECU has minimum temp, maximum temp and time to temp alarms. Get the thermostat replaced.
Reply
0
Old Nov 19, 2018 | 10:49 PM
Share
  #4  
shan's Avatar
shan
Member
 
Joined: Jan 2007
Posts: 97
Likes: 4
From: Malaysia
W203 (2007), W120 (1962)
Your symptoms seem to directly point to the thermostat which stays in the open position when faulty.
Reply
0
Old Nov 20, 2018 | 10:08 AM
Share
  #5  
beers's Avatar
beers
Thread Starter
Newbie
 
Joined: Nov 2018
Posts: 4
Likes: 0
c240
I drained coolant and changed temp sensor and thermostat. Filled back up and after going for a ride the visit workshop malfunction is gone. I hope it stays that way. Thanks for everyone’s help!
Reply
0
Old Nov 21, 2018 | 08:04 PM
Share
  #6  
beers's Avatar
beers
Thread Starter
Newbie
 
Joined: Nov 2018
Posts: 4
Likes: 0
c240
I spoke to soon. Temperature is rock steady now at 87 Celsius. Coolant is full. Windshield wiper is full. Fan seems to be cycling as it should and coolant visit work shop came back on. I am at a total loss
Reply
0
Old Nov 21, 2018 | 09:57 PM
Share
  #7  
tjts1's Avatar
tjts1
MBWorld Fanatic!
5 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2017
Posts: 2,290
Likes: 434
C320
Check codes.
Reply
0

Trending Topics

Old Nov 21, 2018 | 10:37 PM
Share
  #8  
beers's Avatar
beers
Thread Starter
Newbie
 
Joined: Nov 2018
Posts: 4
Likes: 0
c240
I didnt write the code down but i checked it and it was a fan failure. I checked plug with engine running and on big cables I had continuity to ground on brown red i had 13.8 volts the small wires i had 13.8 on one and 3 volts on other wire I plugged it back into the fan and it didnt kick on.So I am assuming I have a bad fan or relay but its all one assembly
Reply
0
MB World Stories

The Best of Mercedes & AMG

story-0

Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

 Verdad Gallardo
story-1

Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

 Verdad Gallardo
story-2

8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

 Verdad Gallardo
story-3

Flawlessly Restored Mercedes 190E Evo II Heads to Auction

 Verdad Gallardo
story-4

Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

 Verdad Gallardo
story-5

Mercedes EQS Gets A Major Update: Everything You Need to Know

 Verdad Gallardo
story-6

5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve

 Verdad Gallardo
story-7

Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping

 Verdad Gallardo
story-8

10 Most Reliable Mercedes-Benz Models You Can Buy Used

 Verdad Gallardo
story-9

Mercedes Teases Updated EQS With Steer-By-Wire and a Yoke

 Verdad Gallardo
Back to Subforum
C-Class (W203)
View Next Unread
W203 front brakes pad replacement

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 09:44 PM.

story-0
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-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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
story-9
Mercedes Teases Updated EQS With Steer-By-Wire and a Yoke

Slideshow: The 2027 update adds a fully digital steering system, revised styling, and potential charging upgrades as the company looks to revive interest in the luxury EV.

By Verdad Gallardo | 2026-04-04 10:24:38


VIEW MORE