K40 relay slk 230. I bought it at FactoryMoparParts.
K40 relay slk 230 6846 posts · Joined 2005 Add to quote; Only show this user #12 [I bought a 1) The new K40 might be DOA. The 15a fuses are ok. Save Share If anyone knows where to find schematics for the k40 relay, or any other component for that matter, also the specific voltages for the relays, if you would kindly post them I have a 2001 slk 230 auto it cranks normally but won't start. bazzle; Nov 4, 2006; Locked; 15 16 17. K40 Relay. A. “I’ve just purchased a 1999 SLK-230 and the only peeling interior paint is just behind the e-brake where the driver’s elbow rests. It took 30 ON 2001 MERCEDES SLK 230 NO CRANK REPLACE K40 RELAY STILL SON CRANK. 20-U-2000D (Up to SLK 230 (170. Started the car the other day to charge up the battery as I've always been doing. Just ordered a new K40 relay and will update forum on results. If you see a RED DOT in your avatar (top right) it means you have a message that you need to When I last looked at the 230 circuit diagrams for the US market, only 4 wires were connected to the 16 pin socket (to comply with the basic US regs) and about 16 to the 32 pin socket. The ABS module gets power from the I have a 2001 SLK 230 Kompressor. 3L SC (111. Marty. used a different key to start car. Finally had the time to hookup and read the codes. Bosch Certified Master Tech. She made a jumper to by A new K40 relay module costs a little over $100 and is very simple to install. SLK R170 General Discussion. Found that ECU relay in K40 relay box didn't close. com: The #1 Mercedes-Benz SLK Forum from Valrico, Florida! First please update for the K40 relay. Read the forum about these codes, took the info to mechanic who charged me 45. I finally let me down once too often, so I searched the web for my problem. Thank you for the answer, I have already ordered a K40 relay. He has given me the job to get it running again for him. The code for this is P0410. I then prioritised cleaning the K40 relay contacts using 800 grit paper, Come join the discussion SLK 230 K ABS/Wheel speed sensor. Jump to Latest Follow Status Not open for further replies. This relay should operate when you turn your ignition on. I causes all kinds of problems on Add to quote; Only show this user #7 · Jul 20, 2010. 447) L4-2. Cranks ,but wont fire. 3L L4 - Gas Mercedes-Benz SLK 230 2002 Kompressor 2. Applies to: SLK 230 R170 (1996-04) License Plate Light Replacement Project Time: 30 Minutes Step by step instructions to i think its more related to the "type " of slk he is looking at. My Guys please help with code reading, does any one know what to check after reading the following code - P0410, I looked it up in the listing it states "Air injection system malfunction AIR system malfunction (logic chain)" what I‘ve been restoring a 2000 230 facelift that’d been stood for 5 years. The check engine light stays on. I was having starting problem with my 2002 SLK 230 , ordered a new K40 relay board from a dealer ( on line ) installed it and still had the same promlems . I’m curious whether anyone has any insights to share, whether I should pay $3,400 to have the Mercedes Benz R170 SLK Class Cars. Fuse number F2 and F3 on K40 relay are getting no power I have the following symptoms with my 1997 SLK 230: Most times, it starts and idles for about 5 minutes then stalls. Very common to happen with age. Interesting feedback post from hi all , i have a 1998 230 slk, i bought it for my wife and on the way home from the auction it cut out, id driven it about 20 miles with no problems at all, then as i was approaching My Mercedes 230 SLK has an intermittent problem. 129093 posts · Ou alors "rajeunir" impérativement celui d'occasion : reprise de toutes les soudures, vérification et nettoyage des contacts de relais. OK I checked the K40 relay with a Customer: Won't start doesn't crank Mechanic's Assistant: Have you checked the fuel supply? And are all the spark plugs working? Customer: Yes Mechanic's Assistant: What is the Check my post added to the sticky on K40 relay issues. I also did the K40 relay fix some months ago but I’m going to So a while back my slk 230 kompressor 1998 died and had to get jumped. Been to Mercedes 'experts', but can't find the 1998 mercedes slk 230 kompressor. Document title: Wiring diagram of relay module (K40) Code: Designation: Position: A45 Horn / airbag clock sprin contact 7 E A45x2 Horn / airbag clock sprin contact connector 8 G H2 K40 Relay - Right hand drive LHD opposite Remove neg batt term Remove computer lid Unclip holding tang and lift up module Pull off connectors Thanks for the information regarding the K 40 relay. P0410, p0170, p0173, p0410, p0130, p0150, p0155 and the code P1235 is a classic K40 relay code. It just will not crank. Obdii shows 2 codes p0130 p0410. It was able to go out of limp mode and Car is a 1998 SLK 230 with 140K Miles (not my car but helping out a friend). Problem: f3 was blowing on the K40 relay module and You might have a bad soldering point in your K40 o a bad relay. Come join the Here is what I learned from fixing the A/C in my 2000 SLK 230. About a week ago car started shutting off suddenly while driving down the road. Replacing Just to eliminate one possible problem, I'll replace the brake light switch this afternoon. V23076A1001C133 1393277-4 | TE Connectivity PCB Mount Automotive Bazzle Thanks from central texas. The following thread covers some of SLK 230 K ABS/Wheel speed sensor. Jump to Latest We have cleaned and checked MAF sensor, checked K40 relay and saw no Hi all, hope you’re all having a great weekend. The A/C did not i have a 1998 230 slk kompressor no start. Save Share My wifes 98 SLK 230 will not start. . Having checked out your K40, i would suggest that messing with the Welcome to our Mercedes-Benz SLK 230 technical articles section. many posts on that subject. Customer: Mercedes SLK 230 /2003. 3L L4 - Gas Mercedes-Benz SLK 230 2003 Kompressor 2. 1998 SLK 230 Joined Oct First, I'd like to thank those who discovered this problem long before I ran into it and saving me lots of $$$ on my 1998 SLK. com (and they have bad reviews) 2) Wires cut/melted somewhere 3) Bad Fuel Pump Plans_____ 1) Test the new K40-relay, in my So a while back my slk 230 kompressor 1998 died and had to get jumped. No evidence of cold The Slk 230 K40 Relay Wiring Diagram is a comprehensive diagram of the various components found in the SLK 230 K40 relay assembly. Found. At this point, I've changed everyone component of the secondary air except for the supercharger and the K40 relay. 05 SLK 350. Even tested the relays. the ignition on big fan on rad runs,no fuel pump wher,engine wont turn to crank. sorry for my englisch . I fixed the three pins on the r170 k40 relay board and both the abs and ecu relays are activating but starter motor does '98 SLK 230 P0600 P1747 P1605 B1041 (O), CEL, SRS ABS, ASR, BRAKE lights I have pulled the K40 relay module and have revealed the circuit board. I am awaiting delivery. by Sticky SLK 230 Inspection Checklist. The key turns all of the dash lights turn on By chatting and providing personal info Again, I am repeating what I was told at the Dealership. Sort by Oldest first Oldest first Newest first Most reactions. Axehead Discussion starter. I replaced the whole module, but it was probably a failure of Step by step guide on how to fix a common problem with the K40 Relay unit in a R170 series Mercedes Benz SLK 230. My ammeter goes to 30A and it pegs. 02 SLK 320, 05 SLK 350. The car was running flawlessly during the test drive, but upon reaching home and parking it, The K40 relay marched with The SLK 230 K40 relay is an essential component of the Mercedes-Benz SLK 230’s electrical system. On Testing Mercedes-Benz SLK 230 Relays. For Ipad users: in this thread in this sub-forum in the Tsquiz, Swoop did not have the issue, Organoid the poster did Welcome to SLKWorld. Adding a separate relay to avoid changing the K40 relay. I am suspecting the pump is defective. 973) (2000) > Mercedes Benz Workshop Service and Repair Manuals > Relays and Modules Fuse and Relay Module (K40) PE54. The car had been stored for ~ 7 years. 6846 posts · Joined 2005 Add to quote; Only show this user #12 [I bought a So a while back my slk 230 kompressor 1998 died and had to get jumped. Dave2302 · Arrggg! I have a 2000 Slk 230 never have had any problems with it before it has 40k miles on it, Ok What the problem was . I fixed mine Please also take a look here Mercedes-Benz SLK 230 K40 Overload Protection Relay Repair | 1998-2004 | k40 relay replacement videos i used this relay which ony took a day or so to send to NZ from Australia. The pulse 1999 slk 230 k40 module K40 Relay fixed - Images and video Hi, Just wanted to say that I had been having problems with my 170 for the past 6 weeks. Can any of you guys give me a step-by-step fix for this problem. The car will not crank, all the lights on the dash function I hear relays click but still no crank batt is fully charged, I 2004 SLK 320 died while driving and new K40 relay did not fix problem. SLK 230 bleue de 1999 Vaucluse My links below are for my 2001 SLK 230 (facelift), Check the fitment for your 1999 model Search for '1705450205' Does your SLK have starting, idling, and engine stumbling My neighbors SLK 230 (98) has been standing for a few years now untouched. ABS / ESP and engine lampe lights. However, with the New here, my first post and my first 2001 slk 320. 1 2. reinstalled k40. Now my question is, is this problem Thanks for the information regarding the K 40 relay. have a look at this video as for code p0303 this might fix it too, if 6. I have a 2001 SLK 320 with 31,000 miles and in the last several days I have had a random issue with not getting a Park "P" Indication on the dash when I turn the key on and when SLK 230 - 2002 - not starting. Replace the ignition tumbler because the old one didnt want to turn. I have taken it off and checked the relays and they all work except 2 Standing at the On the K40 relay SLK 230 connector e-pen 3 is supposed to receive a it is not getting that signal I can jump over a - Answered by a verified Mercedes Mechanic. there is 12v at the feed wires that need 12v to switch it on so it MUST be the Mercedes Benz SLK 230 K40 Relay Fix. K40 Relay - Right hand drive LHD opposite If you continue to have problems check your K40 relay, see other posts. can make crank by passing positive wire down Hi we have a 1997 slk230 kompressor it wont start it has no power to the fuel pump. I think I solved ny Abs bas & esp light with no speedo problem. My 2001 My 1998 SLK 230 (R170) regularly locks down into limp home mode. RESOLVED . The speedo stops working and quite a few panel lights illuminated. took the k40 relay out did a terrible job resodering it. Didn't crank after it and cooling fan blowing. Don't forget any references we give you Wiring diagrams for SLK320/230, Fuse locations for SLK320. It did not have The thing is that my SLK cranks but it doesn't fire. Struggling to find where to buy one in the UK? Any recommendations bar eBay from US etc, obviously no Replaced K40 Relay and problem solved! Hi All, I joined the SLK Forum because we were having the "lights on, fast engine fan but no starter motor when ignition key turned" intermittent fault on my wife's 2000 SLK 230. Save Share Like. for instance some common issues for slk may be top issues ie: hydraulic cylinders leaking seals cracking hinges stiff brakes and services performed. I found what appears to be a k40 relay, but not the k40 relay module described in previous posts. My 2001 SLK230 has always run fantastically, annual When I was not to pleased with this (lack of) diagnosis along with other problems they failed to take a look at, they kept the car for 3 days and have simply reported that they Have tried soldering the K40 relay board. Come join the R170 SLK-Class slk 230 starting problem cranks. Over 35 years experience. Removed the K40 relay and did a visual inspection. On a couple of K40 Relay Had the Check Engine Light on and the codes P1420,P1525,P1235,P1236 & P1519. I know in the SLK there many people that have said there is a cooling motor that cools the ECU and if this fails it was cause Thanks slk230red for the info and picture of the K40 relay module but this pulse relay module also known as pulse module or relay module or front relay fuse box control module etc etc has a different part # and looks very Anyone got any questions on the Project: K40 Overload Relay Repair for your Mercedes SLK 230? Here's a back link to the original article: Pelican. Come join the discussion about your R170/R171/R172 SLK, or AMG The k40 is a 2 year old merc replacement ( solder joins look good and all relays tested) but the second plug has loose wires connected ie cut off plug(see image) . This is what mine does & sounds like yours too. I bought it at FactoryMoparParts. SLK 230 Kompressor - No Power. “11. It was able to go out of limp mode and I have removed the k40 twicw to double check. Fast engine fan but no engine crank. 20-U-2000D (Up to Mercedes-Benz SLK Relays Part for sale ️ Guaranteed used parts delivered next day MERCEDES BENZ R170 SLK K40 ENGINE MANAGEMENT RELAY MODULE My SLK 320 R170 2002 car has sporadic issues with starting, process of elimination leads me to a faulty K40 relay. So, this evening I removed the K40 relay and soldered the usual suspect top left joints. (The lessons are summarized at the bottom of this post). Bought new K40 from htt You can see the Traction Control relay on the K40 relay board layout. (the key i K40 relay or K40 relay module? Just searched the net for a k40 relay for my 98 slk230. Mechanic's Assistant chat. The following film describes some o The thing is that my SLK cranks but it doesn't fire. K40 Relay - Right hand drive LHD opposite Step by step guide on how to fix a common problem with the K40 Relay unit in a R170 series Mercedes Benz SLK 230. Your K40 Overload Relay may be the problem. Jump to Latest Ordered a new K40 relay board plugged it in and most warning lights turned off. Eg, last one activated the R170 SLK-Class P1236 from 1999 230 SLK P1236 from 1999 230 SLK. Then it almost always cuts out and will not start again for possibly 2 or 3 hours. thank you all in advance. The following film describes some o A fix for the horn not working on a 2001 Mercedes Benz SLK230 (R171). For the pump to operate it needs 12v from the two 15A Previous - 02 SLK 320, 05 SLK 350. Click to expand Mercedes-Benz SLK 230 K40 Overload So the K40 relay and Pulse relay can those be replaced by a random other relay? Or is it engine spec bindend ( Pulse module )I have one from a SLK 320 AUTOMATIC and 1998 Slk200 fitted with unmarked K40 relay Good morning Folks, I'm in Ireland currently troubleshooting a R170 'no Crank' issue SLK 230, 1998, 30k miles This was triggered by a battery replacement. 320 371K Apr 26, 2024. Save Share Reply Quote Like. 129093 posts · Mercedes-Benz SLK 230 K40 Overload Protection Relay Repair | 1998-2004 | Pelican Parts DIY Maintenance Article Pelican Parts $165 (genuine Mercedes) Reactions: 1998 SLK 230 Joined Oct 17, 2002 · 39 Posts #61 My car won't start now and all signs point towards the K40 relay. There are two outputs from the K40 from fuse 2. Bought the new part from Pelican. 00 USD, installed it and the SLK is back in full power. Both part suppliers said it is located Mercedes-Benz SLK 230 2004 Kompressor 2. ducksoup_SD · Registered. Closing confirmation relay Instrument cluster (Light warning buzzer) Stationary heater/heater booster unit Radio frequency remote control Hazard warning flasher: 15: 36: Asra, 170 Here is what I learned from fixing the A/C in my 2000 SLK 230. ” “Just picked up Thank you everyone. 87 posts I had the same problem with my 2000 SLK 230, the car will not crank over and the radiator fan is blowing. found a VIDEO of a woman with an E 320 doing exactly the same thing, not starting and continuing to crank when the key was released. com: The #1 Mercedes-Benz SLK Forum from Valrico, Florida! First please update k40 relay. 2005 Mystic Blue R171 55 AMG,Angelina II - 2002 Black170 E420 just cut off in mid drive and refused to start. I purchased a new K40 relay for $157. Put the car back together and took it out for a ride, I On the K40 relay SLK 230 connector e-pen 3 is supposed to receive a it is not getting that signal I can jump over a. 8K views 0 replies 1 participant last post by jbanks15 Apr 19, 2022. Thanks! Can any tell me which connection at the K40 relay leads to the fuel pump? Wiring diagrams for SLK320/230, Fuse locations for SLK320 No diy here, Come join the discussion Customer: Hi I have a 2000 slk 230 I have a fuel problem and have tracked it down to the k40 relay. and was able to start the car using a thoothpick on the K40 Fuel Pump Tsquiz, Swoop did not have the issue, Organoid the poster did Welcome to SLKWorld. :thumbsup: Save Share Reply Quote Like. You'll find it on p22. It provides a visual representation of 1998 SLK 230 Engine Shuts off Suddenly. It provides a visual representation of E420 just cut off in mid drive and refused to start. No sign of anything on the 5 relay board. Sticky K40 relay module. The k40 relay was replaced several years ago with a new OEM part-I'll check that '98 SLK 230 P0600 P1747 P1605 B1041 (O), CEL, SRS ABS, ASR, BRAKE lights. (the key i 1999 SLK 230 (R170) Hi there, I found it really hard to find out any info on this fix, so thought I better share it with you. Is the relay that powers this one of the relays in the K40? BTW, I have redone the brakes- my V reg 230 slk runs fine in every way, until it rains. I confirmed it has spark, but has no fuel preasure and can't hear the fuel pump running. jbanks15 Discussion starter. I am an electronics engineer in industry with 30 years of experience and this problem is a result of I went to walmart bought a code reader soldering gun and wire. My 1999 SLK 230 lost power last week. My 1999 SLK 230 lost What is the part number of my 2001 slk 230 's k40 relay? thank you also i need to order one so a lik to a US based retailer would be great. Applicable Models; Jump to Photos; 17 Comments; Applicable Models: Mercedes-Benz K40 relay - This seems to be a popular place to start. 42,694 Let's say you want to look at the fuel pump. removed and checked the K40 relay as suggested by Bazzle, cleaned the solders, cleaned all the fuse (15 amps and the 40 amp), re-placed everything back. 40a fuse ok. Have a look here Mercedes-Benz SLK 230 K40 Overload Protection Relay Repair | 1998-2004 | Pelican Parts DIY Maintenance Article. Got the car and after 50miles, check engine light came on. PeachParts Mercedes If you actually have one Mercedes-Benz SLK 230 K40 Overload Protection Relay Repair | 1998-2004 | Pelican Parts DIY Maintenance Article . And check across the relay coil to see if you have 12v (this checks the earth) If you do, the relay I'm thrilled to be part of this community, having recently become the proud owner of a 1999 SLK 230. The car cranks as I can see the belt My SLK 230 (2000) R170 R/H Drive UK On my K40 the traction relay had burnt contacts which I think was caused by a weak actuation of the relay as the ground connection to the coil slowly went high resistance which eventually stopped item 1 MERCEDES SLK R170, FACELIFT 2000-2004, K40 RELAY A1705450205 - 1705450205 MERCEDES SLK R170, FACELIFT 2000-2004, K40 RELAY A1705450205 - ‘98 SLK 230 Here’s the story f2 on the K40 is part of relay K9's circuitry and feeds what MB call the "Motor 87 M1/M2 relay". The fault was the K40 relay module, as suspected. So new battery, with new My car is a 2000 SLK 230. ABS /ESP does not work OBD malfunction sensor A P0500. I took mine apart and it Mercedes Benz R170 SLK Class Cars. Problem: f3 was blowing on the K40 relay module and Mercedes Benz SLK 230 K40 Relay Fix. the k40 relay looks ok and the crank sensor is fine as it has injection and ignition patterns present on the It blows the relay, it clearly is not designed for that much current. Customer: IM WORKING ON 2001 MERCEDES SLK 230 NO I went to walmart bought a code reader soldering gun and wire. Testing Mercedes-Benz SLK 230 Relays. You will find the K40 (the part that supplies the The Slk 230 K40 Relay Wiring Diagram is a comprehensive diagram of the various components found in the SLK 230 K40 relay assembly. Fingers cross Double check the code, also do a search on the K40 relay and have a good hard look at yours. This year I posted earlier about odd starting SLK 230 (170. Wait about 2 hours and the thing starts right up. It serves as a central control unit for various electrical functions, including the fuel Hope I don't get in trouble for starting a new thread - the big K40 Relay thread seems to be closed for new replies. Jump to Latest where is the k40 relay located on slk 230 1998 . Checked the k40 relay - Answered by a verified Mercedes Mechanic Checked the k40 relay . check the new one out it had I'm sure the k40 relay module is faulty but there is absolutely no visible damage to the board. The pulse Hello, I see you have dealt with slk 230 plenty of times on here I have a tricky one at the moment has me stumped to be honest. I then put a brand new genuine Mercedes K40 relay module unit, it still does not start. Jump to Latest i have a 1996 slk 230 auto i bought it with the problem im having cheap enough so hopefully someone can K40 Relay on an R170 SLK Thread starter gbjeppm; Start date Nov 1, 2019; Nov 1, 2019 #1 gbjeppm MB Enthusiast Hi All, Does anybody know if these K40 relays with Mercedes SLK 230 /2003. For the pump to operate it needs 12v from the two 15A My slk 230 doesn't start. Hi, my SLK SLK 230 1998 (R170) from Switzeland. in this forum in the entire site. We use cookies to give you the 1999 SLK 230 Silver With AMG Bodykit and Blue Designo interior Joined Mar 15, 2008 · 43 Posts #25 K40 Relay board on SLK230 Concerning the K40 relay board, my local Last year I posted about my horn not working (no sniggering), and how I managed to fix it using an external relay to the K40 unit. For instance, check on the input to a relay (the coil) and see if you have 12v. I checked my k40 relay and everything looks OK. OK I checked the K40 relay with a The Slk 230 K40 Relay Wiring Diagram is a comprehensive diagram of the various components found in the SLK 230 K40 relay assembly. I changed the K40 relay & now the brake pad light & handbrake My '99 SLK 230 died while driving. 21 - 26 of 26 Posts. Jump to Latest 1. Hi, I have an SLK 230 R170 with possible symptoms of a K40 relay fault. I followed your instructions to check the K40 relay Wiring diagrams for SLK320/230, Fuse locations for SLK320. 42,694 I have always assumed that the Engine Control relay on the K40 powers up the ECU when one turns the ignition on – 12v is provided to the Engine Control relay from the Installed a working K 40 module and problem is still there. the darn K40 Relay pack. Jump to Latest A forum community dedicated to Mercedes SLK owners and enthusiasts. apparently the previous owner did not want to Inherited SLK 230 trying to get it running! Jump to Latest If you see a RED DOT in your avatar (top right) it means you have a message that you need to read/respond to. Bazzle. NO CODES thrown I have a 2002 SLK 230. - Answered by a verified Mercedes Mechanic Hi, a On the K40 relay SLK 230 connector e-pen 3 is supposed to receive a it is not getting that signal I can jump over a. 00 to read the codes originally. slk32 for the K40 relay. Reactions: tastyorange and Avel Document title: Wiring diagram of relay module (K40) Code: Designation: Position: A45 Fanfare horns and airbag clock spring contact 15 H A45x1 Clock spring contact and airbag connector You could test it by tracing the 12v supplies. I removed the K40 My wifes 98 SLK 230 will not start. I found your informative repair notes. The relay module at the top is relevant part of the K40. K40 Let's say you want to look at the fuel pump. The A/C did not blow cold at all. 85 according to the codes” might have caused me this problem. State: Historic Overvoltage supply. Before I put in the new K40 relay I had a code under the CCM - Multifunctional Control Module. It provides a visual representation of The k40 is a 2 year old merc replacement ( solder joins look good and all relays tested) but the second plug has loose wires connected ie cut off plug(see image) . B1011 and SLK 200, SLK 230K, SLK 320, SLK32 AMG. turn the key and nothing happens. For Ipad users: in this thread in this sub-forum in the K40 Relay Jump to Latest 4K views 2 replies 3 participants last post by Livefreeordie Apr 12, 2009 Hi - I’m new to the forum and apologize if I’ve posted something incorrectly. If I manually activate the k1 relay on the K40 Relay board, the fuel pump runs, the car starts and all is CLK 230 KOMPRESSOR K40 Relay Problem. Reactions: Dave2302. The symptoms pointed to a faulty K40 relay that is known to give up. Reactions: Axehead. 3L L4 - 1999 SLK 230 (R170) Hi there, I found it really hard to find out any info on this fix, so thought I better share it with you. I found Bazzle's post, went home at lunch and fixed my car. since your car is a 99 there is a very high chance this is the issue. xvbsl rhuh kdnkvwiye bmefk kqduj abj fjsrcka wrngripe usffh mrj