Turn Signal _ Turn Signal Relay _ Not Flashing - Mercedes-Benz Forum

Go Back   Mercedes-Benz Forum > Mercedes-Benz Roadster Forums > R170 SLK Class
New User? Register - Forgot Password

BenzWorld.org is the premier Mercedes-Benz Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools Display Modes
Old 06-04-2010, 09:51 AM   #1 (permalink)
BenzWorld Newbie
 
Date registered: May 2010
Posts: 2
Turn Signal _ Turn Signal Relay _ Not Flashing

I replaced my turn signal relay, but my signals still won't flash, any ideas?

1999 SLK230

Cheers!

Greg
Ducati is online now Forward Message
Ducati is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 06-05-2010, 12:48 AM   #2 (permalink)
BenzWorld Extremist
 
oztds's Avatar
 
Date registered: Oct 2006
Vehicle: Two 1998 SLK230s, 2003 SLK230 SE, 2002 ML320
Location: Sydney, Australia
Posts: 919
Welcome to the forum.
Search for Combinational Control Module on the forum. This is an electronic module in the engine bay that among other things, controls the indicator signals. It could be a faulty module, or sticking relay on that module, or bad contacts in the connector, or even the switch in the signal stalk. Some have had some success by turning on the emergency hazard signals which seems to unstick the relays in this CCM, if that is the cause.
This post http://www.benzworld.org/forums/r170...sible-fix.html has some nice instructions that might help.
__________________

“The difference between genius and idiocy? Genius has its limits." - TWS
oztds is offline   Reply With Quote
Old 06-05-2010, 04:32 AM   #3 (permalink)
BenzWorld Member
 
silberpfeil1234's Avatar
 
Date registered: Jul 2005
Vehicle: 1998 Mercedes 230 SLK
Location: New York
Posts: 351
have you tried the emergency light switch? helped me to get the turn signals back on-line
__________________
Silver 1998 230 SLK
H&S 255 mm crank pulley
GIAC chip
4 bar FPR
Vaeth intercooler and stainless steel roll bars
Full Supersprint exhaust
Lights: LEDs rear, Bi-xenon headlights
PIAA Ion yellow fog lights
Clear side markers and third brake light
silberpfeil1234 is offline   Reply With Quote
Old 06-05-2010, 05:37 AM   #4 (permalink)
BenzWorld Newbie
 
Date registered: May 2010
Posts: 2
Thanks to both of you! Turning on the emergency lights "reset" the signal.

Cheers!
Ducati is offline   Reply With Quote
Old 06-05-2010, 11:01 AM   #5 (permalink)
BenzWorld Veteran
 
dynhm6's Avatar
 
Date registered: Apr 2009
Vehicle: 2003 SLK230
Location: DC area
Posts: 653
Turning on the emergency blinkers reset the turn signals??? And I thought British (Lucas-powered) cars were weird...
dynhm6 is offline   Reply With Quote
Old 06-06-2010, 07:54 PM   #6 (permalink)
BenzWorld Member
 
Wants Another Diesel's Avatar
 
Date registered: Apr 2005
Vehicle: 1984 300SD 1998 SLK230(just traded) 1992 400E 1999 SL500
Location: Florence Kentucky
Posts: 59
Question

Quote:
Originally Posted by dynhm6 View Post
Turning on the emergency blinkers reset the turn signals??? And I thought British (Lucas-powered) cars were weird...
I can confirm this as well. I was bringing my newly acquired 98 SLK 230 home from a fresh "B" service as well as a new turn signal relay last Thursday, got 20 miles from the shop, went to change lanes and was presented with illumination with no blinking. Stewed on it for the rest of the day,was in the car Friday afternoon, cycled the emergency blinker switch twice and it has been fine since.

While I am happy all seems to be working again, I am still asking WTF??
Wants Another Diesel is offline   Reply With Quote
Old 08-31-2010, 02:57 PM   #7 (permalink)
BenzWorld Member
 
pablosal's Avatar
 
Date registered: Oct 2006
Vehicle: 1999 Mercedes Benz SLK230 Sport
Location: South Texas
Posts: 99
Send a message via MSN to pablosal Send a message via Yahoo to pablosal
My '99 slk230 started acting up as well. Turn signals do not blink and they stay on. When I push the hazard lights on, they stay on as well, no blinking. Turning on the hazards didnt seem to reset mine. Where do I start?
__________________


<b>'99 SLK230 AMG Package
•HIDS 4300K
•SimpleRoofSLK
•GoMiniGo Pulsar 3rd Brake Light Mod
•Interior Light Mod (bmw)
•Quad exhaust...coming soon

I know what I like and I like what I see...</b>
pablosal is offline   Reply With Quote
Old 09-14-2010, 06:40 AM   #8 (permalink)
BenzWorld Junior Member
 
Date registered: Aug 2007
Vehicle: 1996 SLK230
Location: Perth, Australia
Posts: 15
Dry joint on fuse holder

I had the same problem with the flashers intermittently not working. I eventually traced it to a dry (i.e. bad) solder joint on one of the legs of the fuse holder for the flasher circuit. This is in the light switch/fuse module in the console next to the steering wheel (accessible when you open the driver's door).

I found it by trial and error after removing the cover underneath the steering wheel and noticing that the movement made the problem come and go. I eventually was able to reproduce the problem by jiggling the fuse.

I removed the module and was able to partially dismantle it (a bit of a mission because it is pretty sealed up) and was lucky enough to just be able to access the joint and re-solder it. I am an electronics engineer and after a couple of decades in the industry I have to say that for a light switch and a fuse holder, this is one of the most over-designed bits of electronics I have ever seen. It is a feat of plastic mechanical engineering and contains a folded flexible circuit board that would win any origami prize!
PeteB is offline   Reply With Quote
Old 09-23-2010, 06:20 AM   #9 (permalink)
BenzWorld Newbie
 
Date registered: Aug 2010
Vehicle: Mercedes SLK 230-97 Yellow
Location: Sweden
Posts: 3
I have the same problem with my SLK230 -97, the turn signals stays on instead of blinking. since they stay on it cant be a dry (i.e. bad) solder joint.
The most likley explenation i have found is that the turn signal relay is worn out.

I cant find the turn signal relay on my car so i would be very happy i some one could help me and probably many others to.

When you find it you could open it and clean the contact sufaces carefully with a fine sandpaper or just replace it with a new one.

I really hope some one could help us with this.

(I am from the north of Sweden so you will have to excuse my english and my spelling )
simonslk is offline   Reply With Quote
Old 09-23-2010, 02:58 PM   #10 (permalink)
BenzWorld Junior Member
 
Date registered: Mar 2008
Posts: 8
I had this problem again last weekend.It has come and gone over the past 3 years.There's a detailed rectification procedure with photographs posted on this site that I photocopied some time back.Finally decided to give it a try.The relay is on a PCB located in the black box next to the battery(RHD cars).I dismantled the PCB and cleaned the contacts with a sharp knife,I believe this is better than emery paper for small, sensitive contacts.Also cleaned every contact in the reassembly procedure with contact cleaner.The lights cycled immediately and seem to be fixed,so far.
Mike C 3039 is offline   Reply With Quote
Reply

  Mercedes-Benz Forum > Mercedes-Benz Roadster Forums > R170 SLK Class

Bookmarks



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

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Topic Author Forum Replies Last Post
Replacing Turn Signal Relay GreaseMonkey1986 W123 E,CE,D,CD,TD,TE Class 14 11-18-2012 02:18 PM
Turn Signal Relay jmai W126 S,SE,SEC,SEL,SD,SDL Class 6 06-09-2012 04:40 PM
turn signal relay Rauchen Vintage Mercedes-Benz 2 08-12-2009 12:16 AM
Right turn signal activates left turn signal rpalmer W211 E-Class 1 11-07-2008 10:37 PM
Turn Signal Relay Minkoff W126 S,SE,SEC,SEL,SD,SDL Class 0 05-09-2006 10:29 AM


All times are GMT -7. The time now is 09:33 PM.



Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.1

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.