{"product_id":"mercedes-uberspannungsschutzrelais-usr-2015403845-7-polig-siemens-w124-w201-w126","title":"Mercedes overvoltage protection relay (OVP relay) 2015403845 7-pin Siemens W124 W201 W126","description":"\u003cdiv style=\"background:#242833;border-radius:8px;padding:18px 20px;margin:0 0 14px;color:#ffffff;\"\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong style=\"color:#c69a3a;\"\u003eOvervoltage protection relay (OVP relay) 2015403845, 7-pin, Siemens, for Mercedes W124, W201 and W126.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#cfd3dc;\"\u003eUsed genuine part  ·  Function tested  ·  \u003cstrong style=\"color:#c69a3a;\"\u003e7-pin with one 10 A fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003e\n\u003cspan style=\"display:inline-block;background:#f5f6f8;border:1px solid #e3e5e9;border-radius:999px;padding:5px 12px;margin:0 6px 6px 0;font-size:14px;\"\u003e✓ Function tested\u003c\/span\u003e\n\u003cspan style=\"display:inline-block;background:#f5f6f8;border:1px solid #e3e5e9;border-radius:999px;padding:5px 12px;margin:0 6px 6px 0;font-size:14px;\"\u003e✓ Fuse intact\u003c\/span\u003e\n\u003c\/p\u003e\n\u003cdiv style=\"background:#f5f6f8;border-left:4px solid #c69a3a;border-radius:8px;padding:14px 18px;margin:0 0 16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003eCondition of this part\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eUsed genuine part, function tested, fuse intact. See product photos for exact condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eFunction and location\u003c\/h3\u003e\n\u003cp\u003eThe overvoltage protection relay (OVP relay) protects the control units from voltage spikes in the electrical system and also switches their power supply. Terminal 87E supplies the KE-Jetronic\/lambda control and ABS, terminal 87L the idle control unit, terminal 30a provides filtered permanent positive for the fault memory. As a 7-pin version, this relay has one relay stage and accordingly one 10 A fuse.\u003c\/p\u003e\n\u003cp\u003eIt is installed in the engine bay on the right behind the battery, under the black plastic cover, next to the ABS control unit and the fuel pump relay. It is a plug-in relay that can be directly swapped.\u003c\/p\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eHow can you tell if the overvoltage protection relay (OVP relay) is faulty?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eABS control unit is left without power supply\u003c\/li\u003e\n\u003cli\u003eKE-Jetronic\/lambda control at terminal 87E without supply\u003c\/li\u003e\n\u003cli\u003eIdle control unit at terminal 87L without supply, idle irregular\u003c\/li\u003e\n\u003cli\u003eFault memory without permanent positive at terminal 30a\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCompatible vehicles\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eW201 190 series:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;\"\u003e\n\u003cli\u003e190 (201.022\/.023)\u003c\/li\u003e\n\u003cli\u003e190 E (201.024)\u003c\/li\u003e\n\u003cli\u003e190 E 2.3 (201.028)\u003c\/li\u003e\n\u003cli\u003e190 E 2.6 (201.029)\u003c\/li\u003e\n\u003cli\u003e190 D (201.122)\u003c\/li\u003e\n\u003cli\u003e190 D 2.5 (201.126)\u003c\/li\u003e\n\u003cli\u003e190 D 2.5 Turbodiesel (201.128)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eW124 sedan:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;\"\u003e\n\u003cli\u003e200 (124.020)\u003c\/li\u003e\n\u003cli\u003e200 E (124.021)\u003c\/li\u003e\n\u003cli\u003e230 E (124.023)\u003c\/li\u003e\n\u003cli\u003e260 E (124.026)\u003c\/li\u003e\n\u003cli\u003e300 E (124.030)\u003c\/li\u003e\n\u003cli\u003e200 D \/ E 200 Diesel (124.120)\u003c\/li\u003e\n\u003cli\u003e250 D (124.125)\u003c\/li\u003e\n\u003cli\u003e250 D Turbodiesel \/ E 250 Turbodiesel (124.128)\u003c\/li\u003e\n\u003cli\u003e300 D (124.130)\u003c\/li\u003e\n\u003cli\u003e300 D Turbodiesel \/ E 300 Turbodiesel (124.133)\u003c\/li\u003e\n\u003cli\u003e260 E 4MATIC (124.226)\u003c\/li\u003e\n\u003cli\u003e300 E 4MATIC (124.230)\u003c\/li\u003e\n\u003cli\u003e300 D 4MATIC (124.330)\u003c\/li\u003e\n\u003cli\u003e300 D Turbodiesel 4MATIC (124.333)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eC124 coupe:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;\"\u003e\n\u003cli\u003e230 CE (124.043)\u003c\/li\u003e\n\u003cli\u003e300 CE (124.050)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eS124 wagon:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;\"\u003e\n\u003cli\u003e200 TE \/ E 200 (124.079)\u003c\/li\u003e\n\u003cli\u003e200 T (124.080)\u003c\/li\u003e\n\u003cli\u003e230 TE (124.083)\u003c\/li\u003e\n\u003cli\u003e300 TE (124.090)\u003c\/li\u003e\n\u003cli\u003e200 TD (124.180)\u003c\/li\u003e\n\u003cli\u003e250 TD (124.185)\u003c\/li\u003e\n\u003cli\u003eE 250 Diesel (124.186)\u003c\/li\u003e\n\u003cli\u003e250 TD Turbodiesel (124.188)\u003c\/li\u003e\n\u003cli\u003e300 TD (124.190)\u003c\/li\u003e\n\u003cli\u003eE 300 Diesel (124.191)\u003c\/li\u003e\n\u003cli\u003e300 TD Turbodiesel (124.193)\u003c\/li\u003e\n\u003cli\u003e300 TE 4MATIC \/ E 300 4MATIC (124.290)\u003c\/li\u003e\n\u003cli\u003e300 TD Turbodiesel 4MATIC (124.393)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eW124 chassis:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;\"\u003e\n\u003cli\u003e230 E (124.003\/.004)\u003c\/li\u003e\n\u003cli\u003e260 E long (124.007)\u003c\/li\u003e\n\u003cli\u003eE 250 Diesel (124.104\/.107)\u003c\/li\u003e\n\u003cli\u003e250 D (124.105\/.106)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eW126 S-Class:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;\"\u003e\n\u003cli\u003e260 SE (126.020)\u003c\/li\u003e\n\u003cli\u003e300 SE (126.024)\u003c\/li\u003e\n\u003cli\u003e300 SEL (126.025)\u003c\/li\u003e\n\u003cli\u003e420 SE (126.034)\u003c\/li\u003e\n\u003cli\u003e420 SEL (126.035)\u003c\/li\u003e\n\u003cli\u003e500 SE (126.036)\u003c\/li\u003e\n\u003cli\u003e500 SEL (126.037)\u003c\/li\u003e\n\u003cli\u003e560 SE (126.038)\u003c\/li\u003e\n\u003cli\u003e560 SEL (126.039)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eC126 coupe:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;\"\u003e\n\u003cli\u003e560 SEC (126.045)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eR107:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;\"\u003e\n\u003cli\u003e560 SL (107.048)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eW461 G:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;\"\u003e\n\u003cli\u003e230 GE (461.223\/.227\/.229\/.238\/.239\/.249)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eW463 G:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 12px;\"\u003e\n\u003cli\u003e200 GE (463.200\/.220\/.221)\u003c\/li\u003e\n\u003cli\u003e230 GE \/ G 230 (463.204\/.224\/.225)\u003c\/li\u003e\n\u003cli\u003e300 GE \/ G 300 (463.207\/.227\/.228)\u003c\/li\u003e\n\u003cli\u003e300 GD \/ G 300 Diesel (463.307\/.327\/.328)\u003c\/li\u003e\n\u003cli\u003e350 GD Turbo \/ G 350 Turbodiesel (463.300\/.320\/.321)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003e\u003cstrong\u003eCommercial vehicles:\u003c\/strong\u003e Mercedes T1 207 D to 410 D (601, 602, 611) · Vario 512 D (667)\u003c\/p\u003e\n\u003cp\u003eThe part number listed in this listing is 2015403845 (7-pin version, Siemens, one 10 A fuse). Also important for distinction: the 9-pin version A 201 540 37 45 (two fuses, a forward-compatible replacement for this relay) and, to be distinguished from that, the second-generation OVP relay A 000 540 52 45 and A 000 540 67 45 for the HFM engines M104\/M111 from approx. 1993 (one blue 15 A fuse).\u003c\/p\u003e\n\u003cdiv style=\"background:#f5f6f8;border-left:4px solid #c69a3a;border-radius:8px;padding:14px 18px;margin:0 0 16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003e⚠ Important: compare the part number before buying\u003c\/p\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003eThis is the 7-pin version with one 10 A fuse. It is not identical to the 9-pin version A 201 540 37 45, which has two fuses – please count the pins on your removed relay before buying. A 7-pin relay does not fit a socket with nine contacts; conversely, the 9-pin A 201 540 37 45 is a forward-compatible replacement for this relay.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003eAlso do not confuse this relay with A 000 540 52 45 or A 000 540 67 45 – that is the second-generation OVP relay for the HFM engines M104\/M111 from approx. 1993, identifiable by a blue 15 A fuse. These, too, sometimes carry Siemens markings; the manufacturer name alone is no guarantee of fit. Incorrect installation results in the engine no longer being able to be switched off and the transmission not shifting.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eDoes not fit:\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e190 E 2.3-16 \/ 2.5-16 \/ 2.5-16 Evolution\u003c\/li\u003e\n\u003cli\u003e300 E-24, 300 CE-24\u003c\/li\u003e\n\u003cli\u003eConvertible 200 CE \/ E 200\u003c\/li\u003e\n\u003cli\u003eComplete R129 model series (SL)\u003c\/li\u003e\n\u003cli\u003eComplete W202 model series (C-Class) – the 9-pin version is required for this\u003c\/li\u003e\n\u003cli\u003eW124 400 E and 500 E – have no separate overvoltage protection relay (OVP relay) at all\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this part fit your car?\u003c\/strong\u003e Send us the VIN (chassis number) and model year – we'll check it for free: \u003ca href=\"tel:+491798991069\"\u003e0179 8991069\u003c\/a\u003e (Mon–Fri 8 am–6 pm) or via our \u003ca href=\"\/en\/pages\/contact?thema=Ersatzteil\"\u003econtact form\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eWhat's included in the scope of delivery?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe exact scope of delivery is shown in the product photos.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eHow do I know whether I need the 7-pin or the 9-pin version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eCount the pins on your removed relay. This listing is the 7-pin version with one 10 A fuse; the 9-pin A 201 540 37 45 has two fuses and is a forward-compatible replacement for this relay.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eCan I do the replacement myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eIt is a plug-in relay that can be swapped without tools. If you are unsure about the pin count or the correct match, we recommend having the comparison carried out by a specialist.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRelated categories:\u003c\/strong\u003e \u003ca href=\"\/en\/collections\/relais\"\u003eRelays\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/w201\"\u003eW201\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/w124\"\u003eW124\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/w126\"\u003eW126\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKFZTeile-Thot\u003c\/strong\u003e specialises in spare parts for Mercedes classic cars. Free shipping within Germany, 60-day return policy.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":55054789640521,"sku":"60806","price":45.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/5344\/8777\/files\/57_138ad4d1-44a1-42c4-98a5-be1dca1b83b0.jpg?v=1787304623","url":"https:\/\/kfzteile-thot.de\/en\/products\/mercedes-uberspannungsschutzrelais-usr-2015403845-7-polig-siemens-w124-w201-w126","provider":"KFZTeile-Thot","version":"1.0","type":"link"}