Manufacturer Warranty Minimum of 12 Months. make sure not to mix up the plugs. Do not pull on the cable. This Is Aftermarket Replacement Item But Not Genuin. Prefuse Box in the Engine Bay – F32/3. Play in Wheel Bearing gives the same fault, i. It should be fixed by using a diagnostics tool Jun 21, 2022 · 5. I knew the right front speed sensor was good because I replaced it with a new one and checked the connection to make sure it was solid. 0L: Service type ABS Speed Sensor - Driver Sep 1, 2008 · 11. Each of the four wheels has an ABS sensor. with a digital ohm meter, or you can replace the sensor outright. me/irepa Dec 12, 2022 · He conveyed that the rpm sensor and abs sensor are 2 different parts. Remove the connector block and unplug the yellow sensor (PIC 13 ) connector from it's housing under the seat. When replacing strut Aug 30, 2016 · Step 1: Clean the sensor mounting hole. gl/DTS9wQChannel Page Linkhttps://goo Symptoms. Feb 20, 2019 · 333 posts · Joined 2014. plugs in right next to the central locking pump. 2. Item included: ABS Wheel Speed Sensor x 1 Jun 30, 2022 · The only major symptom of bad wheel speed sensor in Mercedes-Benz S-Class is the ABS warning light comes on in the instrument cluster, and the anti-lock braking system is disabled. Jan 6, 2012 · 1032 posts · Joined 2011. Can be used to just help locate the sensor or as video to follow along, with simple instruction You can pick up the i980 kit by clicking this link here http://www. Mercedes Benz ML-Class W163 W164 W166 - A common problem that causes the ESP light to come on in Mercedes-Benz ML models is the ABS pump. 3-. The ABS Sensor (166-905-41-02) you order from Mercedes-Benz USA will be a genuine OEM part manufactured specifically to fit your 2012-2019 Mercedes-Benz vehicle. Implausible Signal from Reluctor, because, obviously it is wobbling away from the Sensor. 95: Shop/Dealer Price $227. If the speed of one wheel is slower than Here's how to replace your ABS Wheel speed sensor on your car. This signal is used to calcula Aug 27, 2017 · 1- ABS|BAS|ESP lights suddenly appear on dash, while driving. The rear ABS sensor is mounted at the diff input, the cable is routed under the right rear seat where a junction strip is located. art_arev. By the way the sensors for the front are one and the same part #1729056101 (both right and left) and for all R172 SLK 250, 350 , even 55 AMG. It can be fixed by cleaning the sensors in the front of the vehicle. After left front ABS sensor replacement smoothness jumped from 9 to 9,9. Some people claim that the interaction of the ABS system, when not warranted, is a sign of the control module going bad. Apr 13, 2008 · Mysterious 500SL . Lift the car off the ground until there is about 1 to 2 inches (2. I just bought a 500sl, 1993 model, with 190. Remove the sensor from the mounting block on the axle housing. Sensors at the wheel detect wheel speed. Vehicle affected. P062A00 fuel pump output implausible C003A08 refer to servic Apr 5, 2021 · This video shows in detail how to remove and install the Wheel Speed (RPM or ABS) sensor. NEOKEN 95 SL500 13. 12. Sep 18, 2020 · #abssensor #mechanical #abs #speedsensor #mercedes s class #carrepair #w221 # car mechanic #carproblems #asap Jul 7, 2017 · My local MB dealer will charge me between $400-500 for this, depends on who you talk to. 9. Apply the WABCO lubricant included in the replacement kit to the sensor spring clip, sensor and We would like to show you a description here but the site won’t allow us. Like. I had ABS problems on my previous car (an SLK) so I went through the procedure of cleaning contacts and replacing the stop lamp switch to no avail. . The code is pointing to: #14 -- 140. youcanic. • This is generally due to a dirty or faulty ABS sensor. Detach the caliper assembly, unscrew mount bolts, and place the wheels under the vehicle for safety. please help. Remove and discard the sensor spring clip from the mounting block. Remove the old sensor by detaching the retainer, unscrewing the retaining screw, and disconnecting cable clips. 47: Shop/Dealer Price $240. Aug 17, 2021 · Mercedes ML350 2010 - 80,000 miles. All I wish for Christmas is a smooth idle. C1117 (not in database) C3271 (Implausible readings from front axle wheelsensor) ESP, ABS, Runflat indicator all in malfunction status. In looking at pics of the ESP module itself for your car it looks the same as all of them for the w211 with some part number variations. I've tried swapping out the ABS control box with no change. Feb 10, 2018 · The ABS and ESP Warning Light are still illuminated in the instrument panel. The parts and labor required for this service are Aug 31, 2020 · B34 ESP Brake Pressure Sensor - trouble shooting - DTC code and location for replacement. This led me to believe that there may be an issue with the reductor ring being dirty. 58 - $330. It may have been removed for some reason. Mercedes-Benz ML350 Speed Sensor Replacement costs starting from $288. com Jun 29, 2020 · whitegold said: Good afternoon, I'm seeing the following 2 codes from the ESP module -. An ABS wheel speed sensor converts the pulses created by the magnet, and the sensor ring rotates. If your Mercedes has traction control warnings or the brakes kick in automatically when driving, or in this one Quick video for the DIYer on how to replace front ABS sensor. 1 (855) 347-2779 · hi@yourmechanic. Repeating this procedure several times may reset ABS and ESP systems, clearing the warning message from the display. The ABS speed sensors may also be used to Dec 7, 2010 · RKH said: Relays for ABS: (ABS/ETS/ASR/ESP Control) 129. [1] Apr 30, 2018 · After the ABS/ESP brake warnings, I purchased a MB compatible ODB scanner and found the left rear wheel speed sensor to be bad. 3- Secondhand fuel distributor with fuel regulator. Cheaper to do for $70 rather than spending days fooling around with the dealers. Aug 18, 2017 · Of course, that becomes a royal PITA for the owner. You don't need to replace the ESP module because of those codes. It reads the wheel rotation and measures it in revolutions per minute (RPMs). May 2, 2024 · The ABS control module gets signals from not only the braking system and wheel speed sensors but also the steering sensor and other sensor throughout the vehicle to work in tandem with the other stability control units. Aug 15, 2008 · By the way, the cost of fixing is reasonable. Can anyone help me with some advice before I change the sensor??? The ABS Sensor (246-905-76-03) you order from Mercedes-Benz USA will be a genuine OEM part manufactured specifically to fit your 2014-2020 Mercedes-Benz vehicle. This signal is used to calculate road wheel speed to help with ABS braking and stability control features. Be sure to remove all this fine metal. Diagnosis. Dec 1, 2023 · A simple method to fix brake, EBR, ABS, and ESP warnings involves restarting the vehicle and turning the steering wheel to the left and right with the engine on. 2- New gear & engine filters + oils. I believe the rear wheel speed sensor pickups are located on the front of the axle housing in the same plane as the reluctor ring. The ridges on the tone ring will often gather fine metal that is present in dirt. The ABS Sensor (172-905-61-01) you order from Mercedes-Benz USA will be a genuine OEM part manufactured specifically to fit your 2012-2020 Mercedes-Benz vehicle. He also conveyed that 95% of the time only the rpm sensor ceases to function and abs sensors are pretty reliable. If a sensor develops a defect and sends inaccurate or no speed information, the ABS light illuminates in the instrument cluster. 29 posts · Joined 2010. They’re engineered specifically to function with their fellow Jun 30, 2022 · The only major symptom of bad wheel speed sensor in Mercedes-Benz C-Class is the ABS warning light comes on in the instrument cluster, and the anti-lock braking system is disabled. Based on the same principles involved in threshold braking and cadence braking, this automatic braking system maintains your connection with the road surface, increases braking distance, and improves your command while you're braking. ABS light comes on - feels like transmission is not shifting - RPM rev and downhill from there. If the main battery is the issue, replacing the battery can solve Jan 14, 2023 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Mar 16, 2023 · In this video, we show you how to replace the front ABS sensor on the 2011 Mercedes Benz C300 W204 (3rd Gen). ABS Light ESP Light on C160 C180 C200 C230 C240 C270 C280 C320 C350We took this video to show you how to replace Apr 6, 2020 · After you reconect your sensor just move the steering wheel all the way to the right and then to the left, wait about 2 seconds and the problem is gone! The ABS Wheel Speed Sensor (253-905-34-00-64) you order from Mercedes-Benz USA will be a genuine OEM part manufactured specifically to fit your 2015-2023 Mercedes-Benz vehicle. Sep 7, 2015 · I had the codes checked a while back and there were 2 C codes, C1010 and C1210. A quick search online yielded many choices on Mercedes-Benz ABS sensors, some as low as $30, but the actual price depends on your Mercedes-Benz Model. This can often be accompanied by poor starting in 300SL’s. Position the car jack at the jack point and carefully engage the jack. com/manualsAsk Car Questions & Get Jun 1, 2024 · Figure 1 The R170 SLK's front suspension and brakes are somewhat similar to the W203 and many other same-era Mercedes-Benz models. Access the sensor behind the brake disc after removing the wheels. All the fuses and other likely suspects have been checked. 5105 L6/1 (left front speed sensor) : Implausible wheelspeed 5106 This fault can be ignored and erased. 000 km, the car was in a very bad shape, from bumper to another, any how I did replace a lot of thins in it like: 1- New Bosch Injectors. 96 MPH. These features make the job more time-consuming than more-familiar pull-and-poke plugs. #1 · Jul 21, 2014. Jun 22, 2024 · 1. The vehicle can still be braked without ABS. Shop with Confidence Your information is safe. com/pages/Mercedes_Benz_iCarsoft_i980_Multi_System_Diagnostic_Tool_SRS_AB The ABS (anti-lock braking system) uses speed sensors attached to the wheel end or hub assembly to monitor the vehicle's wheel speed. Having 3rd wheel sensor replaced. 2 Install the Wheel Speed Sensor on the Rear Axle 1. Blown fuse or bad relay. For 2006-2008 ML350 REAR/R350 REAR. Jun 8, 2019 · My wife's 2010 Mercedes ML350 had a wheel speed sensor fail during the return leg of our last road trip. samosali Discussion starter. Apr 1, 2009 · keywords: abs, asr, sensor, kickdown, cruise control, break pedal switch, w202, ate w202 C200 -98 280000km Measured resistance on front sensors: ~1100 ohms Measured resistance on rear sensors: ~1060 ohms Model year 98 onward, two rear sensors behind the heatshield, models prior 98 one rear sensor on the rear axle. At the end of a long motorway journey, I got to use the brakes on my C320 and just before the car stopped it gave the ABS rattle and the light came on. It will be delivered directly to your home or work. After spending 6 hours at an Auto Electrician the fault was diagnosed as a faulty right front solenoid valve. 0L: Service type ABS Speed Sensor - Passenger Side Front Replacement: Estimate $197. 23: 2010 Mercedes-Benz S550 V8-5. Lift your vehicle using a car jack so you can safely remove the wheels. Check the brake fluid level switch wiring. Fuses in the ride side of the dash F1/6. Apr 10, 2022 · Mercedes X204 GLK wheel speed sensor ,ABS,ESP,CEL diagnosis and repairCodes . 59: 2017 Mercedes-Benz S550 V8-4. Random ABS codes and behavior can often be broken down to a faulty sensor. 063 > ABS/ETS/ASR/ESP RELAY. com. Jun 21, 2022 · 1. Jun 21, 2024 · There are three ABS or wheel speed sensors on the W124. Jul 11, 2015 · Mercedes W203 ESP ABS Module Replacement. 4. com/manualsAsk Car Questions & Get Apr 6, 2017 · ABS fault not cleared by replacing sensor. ABS Brake Light stays on. There is one on each of the front wheels and one located on the rear differential. If the fuse is blown, replace it with a new one with the specified amp rating. Take off the plastic side covers. ASR/ABS light on. #5 · Feb 21, 2019. com/ & to buy repla Feb 17, 2020 · The ABS wheel speed sensors on the W204 monitors road wheel movement and sends an electronic signal to the ABS module. Jan 6, 2024 · The plugs on the battery side of the ABS/ASR module overlap and must be removed in sequence from front (bumper side) to rear (firewall side). Mercedes-Benz C-Class has an ABS sensor at each wheel hub which measures the speed of the respective wheel and transmits the information to the ABS control unit. Activating the ESP "Triangle" on left turn, as well as "BAS/ESP" light coming on and shutting off intermittently when you power down the vehicle are indicative of a Lateral Acceleration Sensor failure. SL107 (280sl, 300sl, 350sl, 380sl, 420sl, 450sl, 500sl, 560sl) This problem is especially common on 300SL’s. This signal is used to calculate road Apr 26, 2021 · That ABS computer reduces brake pressure to that wheel until it is traveling the same speed as the others. For 2006-2007 ML500 REAR/R500 REAR. Hey guys. Nov 6, 2017 · 5110 L6/2 (right front speed sensor) : Test wiring/ plug connection. diagnostic-world. See full list on youcanic. 04 / 140. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 4-. 5103 L6/1 (left front speed sensor) : Carry out visual inspection. I also use Service type ABS Speed Sensor - Driver Side Rear Replacement: Estimate $186. Naturally, the ABS sensor always fails on a long trip. ABS Sensor - Mercedes-Benz (9079050100) 2019-2024 Mercedes-Benz (9079050100) Sale Price: $224. Park your car on a hard flat surface and turn off the engine. 4- Throttle seals. This job will require basic mechanic tools that The anti-lock brake system, or ABS, in your Mercedes-Benz vehicle is designed to prevent your wheels from locking up when you're braking. follow the wiring to the plug. Nov 9, 2018 · Front is on rear of the wheel hub, I'm not sure if it is available separately. Great! May 10, 2018 · Step by step guide on how to diagnose replace & reset the ABS ESP sensor fault in a Merdedes E Class W212 S212. They are not difficult to replace. I read Kobus's pictorial on the issue (very good), but its for a different model, and not the same part number. 46 @ 105. When the ABS light / comes on in your C-Class, the anti-lock braking system is disabled. The sensors are not difficult to replace. CL-Class C 216 (2006-2014)CL 500 CL 600 CL 63 CL 65 AMG. Appreciate my help: Make a small donation: https://paypal. Replacements made by ATE who make the OEM sensors for BMW and MB can be had for $70. May 15, 2013 · Hooray At last the dreaded ABS/ASR light saga has been solved. To replace an ABS sensor, start by preparing the vehicle. part numbers for my sensors May 3, 2011 · Replace ABS Sensor Replacing the front ABS Sensors on a 2001 S430 is about a 10 minute job; rated 1 on a scale of 1 to 10. 59: 2012 Mercedes-Benz C300 V6-3. com (604) 327-7112Most popular uploadhttps://goo. My thanks to Richard Moakes,Wireman. The retaining screws are T27 Torx. #1 · Sep 14, 2012. 8. 2-replace the brake sensors located on the front and back wheel on the passenger side. a) Lights go OFF, when doing lock to lock steering rotation (full left - full right - center) b) Or, lights remain ON, when doing lock to lock steering rotation (full left - full right - center) 2- Lights, instantly appear on pressing brake paddle. Jun 21, 2021 · How to fit a New ABS replacement wheel speed sensor on a Mercedes C Class W204. The stealership wanted $885 for the part, and $2300 Sep 11, 2023 · W204 C Class Mercedes ABS Sensor replacement. 13. 5L: Service type ABS Speed Sensor - Driver Side Rear Replacement: Estimate $186. kth286 and television for their input and guidance. They’re engineered specifically to function with their fellow Dec 7, 2015 · For Mercedes-Benz. which looks like low battery voltage and brake level switch. They will charge me $120 for the part which is $68 on mercedespartscenter. 5 to 5. Aug 3, 2020 · Buy YOUCANIC Pro Scanner https://www. 1 cm) of clearance under the wheel. Between both these, if any part fails then in both cases, the term Mercedes uses to replace it is called Electrical wire Harness. This item is not available from your selected dealer. The ABS / ESP control module reads the speed data from several sensors, including the ABS wheel speed Mercedes-Benz USA LLC. 14. This is an older thread, you may not receive a response, and could be reviving an old thread. NEOKEN ENGINE DYNAMICS. The brake-wear sensor goes to the caliper; the ABS speed sensor (yellow arrow) mounts in a hole in the knuckle. 77: Shop/Dealer Price $394. A major development in automotive safety is the anti-lock brake systems. On mine it is the SBC controller that is part of the pump assembly that is in the front as noted in the schematic. Replacing one of the Rear ABS rings on a 2006 W211 E320 CDI! If you're getting a wheel speed sensor error on your W211 with ABS/ESP lights, but have replaced Jan 31, 2009 · The car is a 1992 500SEL #140. Rear is on Driveshaft CV Joint and is available separately. e. The ABS computer then continues to reapply the brakes until the car slows down. Feb 6, 2022 · I show you how to remove the wheel off a 2016 2500 sprinter van and replace the front speed abs sensor An installed Mercedes ML320 ABS Speed Sensor can generally stop brake slippage, boosting modulation of brake pressure during stopping during an emergency. Good luck ! Feb 15, 2011 · Go to the fuse relay box, remove both cover and access the ESP control module, Remove both connectors and conduct the two tests. Genuine Mercedes-Benz Parts fit your vehicle like no others can. A blown fuse or bad relay can cause the ABS system to stop functioning. Belive the resistance should be around 1100 ohms. For 2008 GL550 REAR/ML550 REAR & LEFT. I've got a 2003 e320 (w211), and the part number is 002 542 6618. Use a twisting motion if necessary. For 2007-2008 GL320 REAR/GL450 REAR/ML320 REAR RIGHT/ML63 AMG REAR / R320 REAR. First I renewed ETA and the smoothness jumped from 6 to 9 (scale 1 to 10). #3 · Jan 6, 2012. A ‘PRE-SAFE Inoperative’ message can have various causes, including weak batteries, wrongly positioned sensors, and defective seat belt switches. Both the ABS and ASR lights are on continuously. Dec 20, 2023 · A ‘PRE-SAFE Functions Limited’ message is often caused by dirty sensors. In my case, it was a wheel speed sensor which is not an expensive repair Buy YOUCANIC Pro Scanner https://www. Nov 5, 2023 · An ABS wheel speed sensor counts wheel revolutions. Sep 14, 2012 · thegovner Discussion starter. Of course after replacing the sensor, clearing the faults (C246F, C146E), I still get the same code after driving a few feet. Fuse Box in the Engine Bay – Front SAM Control Unit – N10/1. If a wheel speed sensor is not functioning properly you may get a warning light for the ABS or you may feel the ABS activate at low speeds for no reason. 4177 posts · Joined 2013. 56: 2010 Mercedes-Benz C300 V6-3. Choose a different dealer. Location of fuses Mercedes-Benz S-Class, CL-Class: S-Class W 221 (2007-2013)S320 CDI, S350, S450, S500,S550, S420 CDI, S600. Thankfully I had my Snap On Verus handy. The ABS Sensor (221-905-76-00) you order from Mercedes-Benz USA will be a genuine OEM part manufactured specifically to fit your 2006-2014 Mercedes-Benz vehicle. A Mercedes ML320 ABS Speed Sensor is mounted at the wheel hubs and calculates the rotation of the wheel to determine whether the antilock brake system needs to take control of the braking. Oct 22, 2020 · The ABS wheel speed sensor on the Mercedes C320 monitors road wheel movement and sends an electronic signal to the ABS module. Bad wheel speed sensor. Make sure this part fits your Car. • Damaged and corroded sensor cable. There's constant 0. Apr 16, 2021 · this video explains and shows the correct method to change and properly install the ABS sensor in a mercedess v-class 200 / W169 W245. This guide is for the Front Right sensor whic How To Change | Replace Rear ABS Wheel Speed Sensor on Mercedes S550 | W221 Mercedes Rear ABS Wheel Speed Sensor Replacement | How To Fix ABS and ESP Inopera Sep 18, 2015 · Easy guide to remove the ABS sensor on a Mercedes E Class W211 - For more Mercedes guides & diagnostics visit http://www. Jul 21, 2014 · 10 posts · Joined 2014. With your vehicle info handy, give The Pelican Parts parts specialists a call at 1-888-280-7799. Guaranteed Fitment Always the correct parts. Step 2: Clean the tone ring of all fine metal. 3-drive for like a week i Dec 30, 2020 · The ABS wheel speed sensor on the Mercedes C320 monitors road wheel movement and sends an electronic signal to the ABS module. com/scanner/Get Factory Service Repair Manuals & Specs https://www. 7L Turbo: Service type ABS Speed Sensor Feb 21, 2022 · So you have a few w211's so you can easily see if the ESP module is in a different location. Maybe, fixing is better than purchasing a new one. Mercedes C-Class W203 W204 ESP light -ESP light on a C-Class is typically caused by a defective brake light switch or low battery voltage. 051. 2001 ML320. I recently changed the drivers side wheel bearing on my 639 Vito after rebuilding the abs sensor light and the flat tyre light (I think that's what it is) is on in the dash. I took my 2007 C230 Sport to the part store to have my check engine code read and it came back with code P2158 ABS Speed Sensor (Sensor B) does anyone out there know exactly which wheel this is located on as there is one for each wheel? Called the dealer and they are claiming I will have to pay them Jun 22, 2020 · Bernie Pawlik, Pawlik Automotive Vancouver, BChttp://pawlikautomotive. Additionally, an improper connection or bad connector can also cause issues with your wheel speed sensor. #4 · Sep 7, 2015. 00. ~toaster. Also bear in mind that the Cruise control will not operate once there is a problem with any of the speed sensors. Also, the ABS and ASR plugs have slide-lock retainers. Mar 8, 2018 · OBD II fault code C0031 is a generic code that is defined as “Left Front Wheel Speed Sensor (Sub fault)”, and is set when the PCM (Powertrain Control Module) or other control module such as the ABS control module, detects a problem in the left front wheel sped sensor, or in the wheel speed sensor’s control /signal circuit (s). ABS/ESP Module. 6m/s speed data from the Front Right sensor - despite this being a new sensor which I have replaced today. Removing the wheel is not required, but makes the job easier. 47 - $309. Read FAQ. Make sure to inspect the connectors for corrosion, damage, or loose connections to avoid unnecessary complications. They’re engineered specifically to Jul 2, 2024 · Followup from the Pelican Staff: My info says that is the location. Please consider creating a new thread. Jul 9, 2015 · I've been digging through the forums for a few days trying to find a clear answer on the location of this sensor. The wire continues under the rhs chrome doorcill. Service type ABS Speed Sensor - Passenger Side Front Replacement: Estimate $320. If wheel speeds are not equal, the computer modulates the anti-lock feature until the speeds are equalized. Apr 9, 2017 · After disconnecting the battery on a Mercedes, you will need to reset or initialize the steering angle sensor to remove any fault messages for ABS, ESP, an Mar 25, 2009 · A good news is that crusie control now works really smooth which was not a case before. 75 - $577. Sep 20, 2021 · 1-first check for blown fuses on the fuse box. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the fuse for the ABS system. The ABS computer uses this information to prevent the brakes from locking during an emergency stop. 05 ABS lateral acceleration sensor. With the car on jack stands for safety, simply remove the ABS Sensor from the back of the Hub using a T-50 Torx. Loosen the 2 back bolts, (PIC 14-15 ) and remove the 2 front ones, This is optional and done to make the job easier. The voltage fluctuations are sent to the ABS control unit, which uses this data to determine wheel speed and evaluate Dec 10, 2018 · Fixing Mercedes-Benz R350 with active ABS and ESP indicator lamps on simultaneously. This was eventually traced to a broken wire inside the insulation. The sensors are magnets that read the gaps in a metal toothed ring on the wheel hubs and rear differential to monitor the speed of each wheel and the rear dif. The ESP fault codes are: 5101 L6/1 (left front speed sensor) : Carry out visual inspection. This data is processed by the ABS control module, which determines the appropriate amount of braking pressure for each wheel to prevent wheel lock-up or traction loss. Before installing the sensor, be sure to use some sandpaper and brake cleaner to clean the sensor mounting hole. For 2007 R63 AMG ABS REAR. The brake light switch is also a common problem in this model too. . They’re engineered specifically to function with their fellow Oct 18, 2019 · The anti-lock braking system uses an ABS sensor or wheel sensor to monitor the wheel speed and send this information to the ABS computer. Apr 13, 2024 · 04/13/2024. When the ABS light / comes on in your S-Class, the anti-lock braking system is disabled. This is a classic case of SDS would have got you to the problem Nov 16, 2023 · This is because a bad sensor can cause the anti-lock braking system (ABS) to malfunction. lg qw ev rq bt ga uq vo ef gv