Most likely the fuse has blown. I have a front carry hitch and a light bar mounted above the license plate which blocks this sensor. This is different. Shutting the engine down and opening the driver's door doesn't do a thing. If the driver fails to react to the warning in the case of a solid-line lane marking, Active Lane Keeping Assist returns the vehicle to its lane by means of one-sided braking. Active Brake Assist may cancel the brake application when one of the following conditions is fulfilled: This is a partial list ofActive Brake Assist / Active Distance Assist DISTRONIC-related fault codes. It is a common fault for Mercedes-Benz cars when there is snow. Not sure if the Sprinter has such a sensor. VIN Decoder. the movements of the steering wheel. I have not tried it, but if you are not in conditions such that a car is sensed every 20 minutes (or whatever the number is) shut cruise off and turn back on before the timeout and supposidly it resets the timer. 2 Door Cab Chassis. Should the analysis of over 70parameters recognise certain patterns that indicate drowsiness or loss of concentration, the system gives an audible and visual warning, prompting the driver to take a break. Going to have to use cannons. Actros Mercedes-Benz F 015 car2go Hybrid Maybach Sprinter mercedes me. Visit Walter's Mercedes-Benz of Riverside in Riverside CA serving Inland Empire, Orange County and Moreno Valley #4JGDM4EB6PA015075 Media. Companies. In this guide, we will show you where various Mercedes sensors and cameras are located. Not sure if the Sprinter has such a sensor. 2 messages . Radarsensors installed on the rear bumper are used to detect vehicles in the blind spot areas. For a better experience, please enable JavaScript in your browser before proceeding. The distance sensor on Mercedes-Benz is tricky to locate because the sensor is mounted right behind the front bumper. The sensor system also includes two multi-mode radars at the rear with a range of up to 80 and 40 meters and an opening angle of 30 and 140 degrees. View photos and specs for a New 2023 Mercedes-Benz Sprinter Low Roof 144. . Clean dirt or ice from the front bumper. From approximately four mph (7 km/h), if your vehicle is close to a car or pedestrian, you will hear an intermittent warning tone, and thedistance warning lamp lights up in the instrument cluster. Media. Long distance radar is usually in front of the radiator (behind mask three point start), at that radas is used for collision preventing/auto brakes. Takes a bit of following other vehicles for it to turn itself back on. 30,477 Reaction score 20,271 Location Midlands / Charente-Maritime Your Mercedes '93 500SL-32, '01 W210 Estate E240 (RIP), 02 R230 SL500, 04 Smart Roadster Coupe, 11 R350CDi Feb 2, 2020 #2 You'll find there is a part number on any module. Use glass cleaning wipesto safely clean Mercedes radar sensors and camerasis easy in less than five minutes. It may not display this or other websites correctly. Side Impact Beams; Mercedes-Benz Warning Lights Complete Guide with Images Your Mercedes-Benz has a range of complex safety systems relying on sensors and safety mechanisms to ensure that your vehicle is working at its optimum performance while ensuring full protection for other road users and passengers. Even my 2019 Ford Escape has these sensor systems. The distance warning function issues a warning in the following situations: Brake immediately or take evasive action, provided it is safe to do so, and the traffic situation allows this. If there are display messages, the multifunction display shows 2 messages, for example. Get Help, Terms & Conditions If it detects the risk of a collision, Active Brake Assist intervenes, braking the vehicle to a stop, if necessary, in order, where possible, to prevent an accident. Mercedes Blind Spot Assist is a safety feature that warns the driver if another car is in the blind spot. If you Google the part number you'll see what it is. An appropriate indication in the instrument cluster makes the driver aware of significant intervention by the system. If you are talking about the emergency brake feature, I think it simply uses the front radar sensor, which is usually located inside the Mercedes-Benz star in the middle of the grille. The rain sensor with Wet Wiper System is another innovation in the Sprinter. That's why the new Sprinter is also equipped with a whole range of optional safety and assistance systems which, until now, were reserved exclusively for Mercedes-Benz passenger car model series. Mercedes-Benz Forum. So just yesterday in my multi-display screen I see Active Brake Assist function limited, please see owner's manual . Good morning. ATTENTIONASSIST helps camper van drivers especially on long journeys and at night. Search. DMCA You must gently brush the snow and chip the ice away off all your radar sensors or else you can. Jump to Latest Follow . They provide important information for the Active Blind Spot Assist. Testimonials Mine will also shut down if it has no 'returns' on vehicles in front. Be careful to not press on the sensors too hard. Mercedes a180 Merc CC Coupe said: It means the brake assist 'sensor' at the front of the car is dirty and therefore can't sense distances to enable the system to work. Active Lane Keeping Assist can also reduce the risk of accidents caused by inattentive or overtired drivers. These include the radar-based Distance Assist DISTRONIC, Active Brake Assist, Active Lane Keeping Assist and ATTENTION ASSIST. With the third generation of the iconic van, Mercedes-Benz Vans also underscores its role as an innovation driver and pioneer in the introduction of modern safety technologies in the large van segment. Mine fixed itself after another 20+ miles of driving. Mine did it once on my drive across West Texas. If the driver brakes, they are also supported by the adaptive Brake Assist. The cameras and sensors could be defective, but oftentimes such problems are because sensors are covered with dirt, ice or snow. If the active brake assist warning comes up in the morning, it is most likely your vehicle battery is getting too weak or there is a software issue. sensor. Other fault codes may be stored in the Active Brake Assist module. Click here to check prices on Mercedes Blind Spot Radar Sensor online (eBay Link). Among them, the radar-based systems Distance Assist DISTRONIC, Active Brake Assist and Active Lane Keeping Assist. Both assist the driver in parking and manoeuvring situations by providing a better view using ultrasonic sensors. Clean Mercedes cameras like you would clean prescription glasses. I think you were referring to Active Brake Assist? You should always check the blind spot whenchanginglanes. Mercedes-Benz was the automaker to coin the acronym ADAS or Advanced Driver-Assistance Systems back in 1998. If I recall I was able to reach it from below the bumper to feel it was not secured. Cookies set by third parties may be required to power functionality in conjunction with various service providers for security, analytics, performance or advertising purposes. Content is for informational purposes only. How to turn off /on blind spot assist. These systems are new to the Sprinter but are common in Mercedes cars and a bunch of others. I've just bought a CAT N 2017 A180d AMG Line lightly hit up the front/back with both bumpers missing. Careers This makes for improved wiping efficiency while providing the driver with a clear view. Press the or button on the steering wheel to select the Serv. . Distronic is a full-speed-range system that can bring the Mercedes-Benz vehicle to a full stop if traffic ahead isn't moving. Vehicle Transmission Stuck in Gear Limp Mode, Engine Cylinder Power Balance Test Explained, Engine Auto Stop-Start Not Working Troubleshooting, Active Brake Assist Functions Limited See Owners Manual, Active Brake Assist is Malfucntiong. Mercedes-Benz radar system may malfunction and set errors in various Mercedes modules including Parktronic System, Collision Prevention Assist Plus and Distronic Plus, autonomous driving, Active Brake Assist Cross Traffic, etc. Additionally, the Brake Assist system has an 80-degree range of vision when scanning distances of 30 meters or less. These popular recreation vehicles are inherently more susceptible to crosswinds than passenger cars, as their high, vertical side wall presents a larger surface to the wind. Diagnose Collision Assist Module Targeted help against strong gusts of wind Crosswind Assist. Steering Angle Sensor 5. Mercedes-Benz (MBUSA) is recalling 2,526 model year 2022 Mercedes-Benz EQS 450s, EQS 580s, and AMG EQS5s.The front or rear bumper tow ring assembly may. 2023 Mercedes-Benz Group AG. Save my name, email, and website in this browser for the next time I comment. A question that we get asked often is: Does my Mercedes have active brake assist? If your Mercedes-Benz has active brake assist and you have driven the vehicle for a few days, you will know because the vehicle will most likely apply the brakes for you at least once. If the sensors are dirty, fogged up, damaged, or covered, If the sensors are impaired due to interference from other radar sources, e.g., strong radar reflections in parking garages, If a loss of tire pressure or a defective tire has been detected and displayed, In complex traffic situations where objects cannot always be identified, If pedestrians or vehicles move quickly into the sensor detection range, If pedestrians are hidden by other objects, If the typical outline of a pedestrian cannot be distinguished from the background, If a pedestrian is not detected, e.g., due to unique clothing or other objects, Pins for the throttle pedal harness can get damaged, Active brake assist may require calibration. Mercedes-Benz Sprinter 317 CDI L3H2 RWD MBUX met Navigatie en Camera, Brake Assyst, Airbag Bijrijder, Etc. If the driver brakes, they are also supported by the adaptive Brake Assist. Drive Away Assist as a further element of the Parking package provides assistance when driving away, helping to prevent collisions caused by engaging the wrong gear or by confusing the brake pedal and accelerator. Iridium vs. The 1999 S-Class was the first vehicle to receive a basic system . That included one 10 minute fuel stop and a few minutes to clean sensors when it happened. I have had the Active Brake Assist system take itself offline one time - this disables Distronic as well. JavaScript is disabled. Active Brake Assist consists of the following functions: The active brake assist can be turned off via the steering wheel controls. Perhaps the Sprinter camera (adjacent to rear view mirror) has trouble with extreme glare from bright (or low in the sky) sun? You may not reject these. We provide a full range of Mercedes Benz's car service, maintenance, and repair work. If the Blind Spot system detects that you aregetting too close to the other car it will apply the brakes on one side of the car to move you away from danger. 03510012. . I'm aware of the 30'ish minute timer during which the system must identify a target. If it fails, the blindspot assist will not be able to get data and determine the position of the steering wheel. Jun 11, 2021 If they disconnected a sensor and forgot to put it back that may be the cause Or they only realized it after they started the car without the connection and just reconnected thinking all is fine Not Recal / resync may be needed Audio Files; Photo Files. You may also get several other warnings on your dashboardincluding: The most common causes that triggerBlind Spot Assist Unavailableare: In addition to the message on the instrument cluster, you may also notice the yellow triangle on the sidemirrorstaying on. Mercedes Radar Sensor Problems & Solutions. The optional Parking Package with 360-degree camera makes a further contribution towards relieving stress on the driver. To find out why the Active Brake Assist malfunction is displaying on the instrument cluster, you must read the fault codes from theActive Brake Assist / Active Distance Assist DISTRONIC control module. In order to be optimally prepared for the various transport tasks and driving profiles, the safety and assistance systems in the new Sprinter have been technologically optimised. C450/C43 AMG - Adaptive Brake Assist function limited - I've searched but didn't find any topic with this. If you are driving inseverelyinclement weather avoid driving through water puddles. How to do Removal & Installation of the COLLISION PREVENTION ASSIST sensor on Mercedes-Benz Cars. Blind spot system is not supposed to turn off every time it rains but unfrequent malfunction is common. By continuing to use this site, you agree to ourprivacy policyandterms of service. Autonomous braking can be initiated in critical situations if you do not react to the warning. The Parking package with 360-degree camera makes another important contribution to reducing the driver's workload. Experienced the fault for the first time while driving today on Prince Edward Island. Keep the bumper sensors clean at all times. Radar sensors monitor the traffic around the vehicle, while a camera checks whether broken- or solid-line lane markings are crossed. Restarting the van did not help. In the event that a vehicle is detected within the blind spot area, a red triangle warning indicator appears in the corresponding exterior side mirror. Followed another vehicle for a few miles, but the . If a danger of collision is detected, a visual and acoustic warning is first triggered. At the top of the windshield, you have at least a sensor but may also have a camera as well. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. mercedes sprinter active brake assist sensor location. See Operators Manual. Oh, one last thing, the Mercedes part no in my vehicle was 000-905-06-10. Vehicles used for commercial purposes are often in daily use, cover great distances and, despite their comparatively large dimensions, must remain controllable even in difficult situations. The Parking package with Parking Assist and reversing camera warns the driver of obstacles by means of visual and audible signals. If thats the case, the blind spot assist sensors behindthe rear bumper will need to be replaced. Active brake assist functions limited. It helps the driver to keep the vehicle on course in a crosswind or on an inclined road surface by actively reducing the necessary countersteering effort. JavaScript is disabled. Premiere 25.08.2021 / Mercedes-Benz Citan and eCitan, Mercedes-Benz Accessories and Connectivity, Mercedes-Benz and HYMER: new chapter in a successful collaboration, The new Mercedes-Benz Sprinter: More variety with front-wheel drive and tractor head variant, The new Mercedes-Benz Sprinter: New safety and assistance systems on a par with a car, The new Mercedes-Benz Sprinter: Comfort and connectivity as distinguishing features in the camper van market, First HYMER camper vans based on the new Sprinter: New Hymermobil B-Class ModernComfort, First HYMER camper vans based on the new Sprinter: HYMER ML-T and HYMERCAR Grand Canyon S, Close collaboration between Mercedes-Benz and HYMER: The best of two worlds a look back, Do not sell or share my personal information. See operator's manual. The PARKTRONIC with Active Parking Assist feature using all the sensors on the Merceds-Benz to pull the vehicle into or out of a parking spot by measuring the space from the curb and between cars, so you can rest assured that you are in good hands, even if your hands aren't the ones in control. Flexible, reliable and above all, safe: The new Sprinter, presented in 2018, embodies all these attributes to perfection. In the event of unintentional lane departure, the driver is warned by a vibration in the steering wheel. And then a dodgy earth point under air box. The yellow triangle on the sidemirrorshould turn off once you speed is over 20 mph. Evolution in comparison to the passenger car sector includes, for example, adaptation to vehicle dimensions, handling parameters and trip profiles in everyday fleet life.Follow us @AutoMotoTV - http://www.twitter.com/AutoMotoTVLike us on Facebook: http://www.facebook.com/CarVideosOnlineAutoMotoTV - http://www.youtube.com/AutoMotoTVAutoMotoTV Deutsch: http://bit.ly/2w3J1Bn A forum community dedicated to Mercedes-Benz GLA owners and enthusiasts. Damn MB engineers don't seem to always have that common sense quotient. The front right radar sensor is right next to the tow hook. 3. The car is only 6 months old and is as clean as, no damage anywhere or to any of the sensors.. If you Google the part number you'll see what it is. . Mercedes-Benz Canada, Inc. 98 Vanderhoof Avenue Toronto, ON M4G 4C9 https://www.mercedes-benz.ca (Canada only) Customer Relations Department: 1-800-387-0100 Daimler VANS USA, LLC and Mercedes-Benz Can-ada, Inc. are Daimler AG enterprises. The sensors have been clean and dry. The driver simply sets the desired speed (20km/h or higher) and the system automatically maintains the selected distance from the vehicle in front. If that doesnt work, trycleaning the front grill and the top center of the windshield; in most cases, this fix will clear the messages. Philip53 2021 2500 Sprinter 170, 4 cyl gas. Contact Us . mercedes sprinter active brake assist sensor location. . August 2, 2019 Mercedes-Benz is recalling more than 2,700 vehicles due to software errors in the radar sensor control units that may cause problems with active brake assist. I attribute it to build up of snow on the panel in the front grill that protects the radar(?) Click here. If the vehicle is stationary for less than three seconds, the Sprinter moves off again automatically. It also does not detect vehicles that are travelingsignificantlyfaster than you. #1 I have a 2019 Sprinter 2500 with the Active Braking Assist Radar Sensor which is mounted in the center of the bumper above the license plate. The system uses sensors that scan the area in front of your Mercedes-Benz vehicle. C174AFA The learned value of an operating parameter of the control unit COLLISION PREVENTION ASSIST is outside the valid range. I checked the manual and the list of things that could cause this but didn't see anything that. Whenwatermakes it into these sensors it can blow the wiper fusebecausethese sensors are protected by the same circuit. What does the radar sensor look like? Required fields are marked *, document.getElementById("comment").setAttribute( "id", "a98722d1f2a64b7532ae4ff807efbf6b" );document.getElementById("f9c35d78d0").setAttribute( "id", "comment" );Comment *. . . Feb 2, 2020 #3 markjay MB Master SUPPORTER Joined Jun 24, 2008 Messages 40,303 Location London Car 2022 Hyundai IONIQ 5 RWD / 2016 Suzuki Vitara AWD Clearing the snow cleared the 'error' thanks very much ! The necessary countersteering in sudden gusts of crosswind is substantially reduced, this considerably easing the strain on the driver. Follow this guide on how to read Mercedes-Benz fault codes using the YOUCANIC full system scanner. How to do Removal \u0026 Installation of the COLLISION PREVENTION ASSIST sensor on Mercedes-Benz Cars. In this guide, we are going to take a look at some of the common problems with Mercedes blind spot assist and why you may get a warning message such as Blind Spot Assist Inoperative or Blind Spot Assist Currently Unavailable. Mercedes-Benz Insurance Services UK Limited. This error message directs the driver to find more information in the owners manual, but unfortunately, there is little helpful information in the manual. Sprinter Fuse assignment supplement Mercedes-Benz. The radar calibration is quite sensitive to the mounted height. Another issue thatmakesthe blind spot assist inoperative is the steering angle sensor which is mounted in the steering column. Press the or button to scroll through the display messages. When a car is detected, the Blind Spot Assist will warn the driver via the triangle in the side mirror. It may not display this or other websites correctly. Press to confirm. Crosswind Assist is automatically activated from a speed of 80 km/h. All rights reserved (provider). You are using an out of date browser. The next step that you or a Mercedes mechanic will need to perform is to read fault codes from various modules. If you are a careful driverhopefully you will never experience blind spot assistin action. 1301 York Rd #800Timonium Maryland 21093 USA, About . see operator manual } I can;t clear this message, or see any faults. The more you know, the more you know how much you don't know, I occasionally get the Accident Avoidance red triangle and a tap of the brakes from freeway overpass shadows good times. First, we need to understand how the system works. Page 3 Welcome to the world of Mercedes-Benz Before you first drive off, read this Operator's Manual carefully and familiarize yourself with your vehicle. The system should be back to normal operation once you remove the trailer. Especially in poor light conditions, this improves the safety level. Active Brake Assist aims to prevent accidents or minimize damage to pedestrians, animals, objects, and vehicles in front. The DTC then switches to passive and the sensor can be calibrated. 2023. We participate in the Amazon, Advance Auto Parts, eBayaffiliate programs and may earn a commission when you purchase using links on this site. At low speeds this can be sufficient to prevent a rear-end collision. New 2022 Mercedes-Benz Sprinter Passenger Van 2500 Standard Roof V6 144 RWD Full-size Passenger Van Jet Black for sale - only $68,167. Mercedes Benz CLA200 AMG Coup Details : Nik 2019 Low Odo 20xxx Jupiter Red on Alcantara Black Tax Paid Until October 2023 Spec: 7G-DCT Automatic Transmission Start/Stop Engine Button AMG Wheels ori Mercedes Benz AMG Line Bodykit ori Mercedes Benz Sport Flat Bottom Steering Wheel + Paddle Shift Trackpad Touch Control Frameless Glass All Doors Wireless Charging MBUX System Fully Digital . The vehicle can no longer detect an obstruction, block, or barrier. Collision prevention radar -sensor location. Troubleshooting Mercedes Blind Spot Assist 4. For those with a diagnostic system scanner and some technological know-how, scanning the system for Mercedes Benz fault codes can diagnose and clear other problems. Mercedes-Benz is the first manufacturer in the Sprintersegment to offer EPS also for vehicles up to 5.5tonnes. Possibly transport mode or production mode is active and/or ABA sensor engagement monitor active. Two different parking assistance packages are new in the Sprinter. Active Brake Assist applies additional braking pressure if the driver doesnt press the brake pedal hard or fast enough to avoid a collision. By accessing MB Medic [www.mercedesmedic.com], you agree that you have read, understood, and will abide by the: Check for Recalls, Technical Service Bulletins, Mercedes Blind Spot Radar Sensor online (eBay Link), Upgrade Mercedes-Benz Key Fob Case to Chrome Shell, The Overpriced and the Bargain Mercedes-Benz, Mercedes-Benz Star Diagnostic Scanner Tool Everything you need to know, Mercedes-Benz wont start| Step by Step Troubleshooting Guide, 10 Things All Mercedes-Benz Owners Should Know, How to use a OBDII Bluetooth adapter to reset Check Engine Light on your Mercedes-Benz, Top 10 Best Diagnostic Scanners Mercedes-Benz, Mercedes Transmission Problems, Limp Mode, No Shifting: Troubleshooting Tips, Driving too close to lane crash barriers or dividers, Driving next to a truck for an extended period of time, Interference from otherequipment, or nearby transmissions (TV and radio stations). You must log in or register to reply here. It is just a snap fit/latch to hold it in place, but you need to remove the grill to access it. Remove the sensor and clean it if necessary. When this is combined with the Brake Assist System, both the passengers in your vehicle plus others on the road can know they are safe and secure around your Mercedes-Benz. Vehicles with Driving Assistance Package: Evasive Steering Assist. 4-Wheel Disc Brakes w/4-Wheel ABS, Front Vented Discs, Brake Assist and Hill Hold Control; Safety. (C117 - CLA-Class), (W156 - GLA-Class), (W176 - A-Class), (W242 - B-Class), (W246 - B-Class). I have a 2019 Sprinter 2500 with the Active Braking Assist Radar Sensor which is mounted in the center of the bumper above the license plate. The picture above shows the Mercedes distance sensor location. Parts Catalog TheActive Brake Assist Functions Limited message indicates that the brake assist function is not working correctly. This issue can affect any Mercedes-Benz vehicle equipped with Brake Assist, including models in the GLA-Class, S-Class, Sprinters, and others. Page 2 Canada only: This symbol indicates a warning or "Authorized Sprinter Dealer" is defined as an an instruction that is continued on authorized Mercedes-Benz Sprinter Dealer. Jubilee Photos; Schedule of Services; Events The system ensures optimum visibility even when wiping the windscreen. Audio Files; Photo Files. Here are just a few. The new Sprinter, therefore, comes with a host of safety and assistance systems that were previously the preserve of Mercedes-Benz passenger cars. Front end remains stock height. I have the car booked in at MB on Monday but thought someone may have an answer or had a similar problem. I had a speed sensor failure which cause the ABS light, ABS warning, ESP warning, . Press the or button to select the entry, e.g. You can turn off vehicles with active safety and driver assist systems like Automatic Emergency Braking. Little to no traffic. I've relocated it to a new bumper in a similar location. You must log in or register to reply here. The new Mercedes-Benz Sprinter: New safety and assistance systems on a par with a car - Mercedes-Benz Group Media A-Class as of 2018 Sedan Interior Design Technology Special 2015-2017 Exterior Interior Studio Technology Mercedes-AMG A 45 as of 06/2015 2012-2015 Exterior Interior Design Technology 2008-2012 Exterior Technology E-CELL 2004-2008 Use a clean cloth to remove dirt and grime for the sensors. New 2022 Mercedes-Benz Sprinter Specialty Vehicle Arctic White for sale - only $48,902. Full Forum Listing. If your dealer cannot help, consider filing a complaint with the National Highway Traffic Safety Administration (NHTSA). During the first 15 to 20 minutes, a driver profile is generated and then continuously compared with the current driving behaviour. In addition, air suspension specially adapted to the needs of camper vans ensures outstanding driving characteristics on long journeys. MBClub UK is in no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks. The ECU computer connectoids are delicate! Rain Sensor $116. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Active Brake Assist can help you minimize the risk of a collision with vehicles, cyclists, or pedestrians. I receive the warnings either with, or without, cruise control engagement. Active Distance Assist DISTRONIC reduces the stress on the driver in stop-and-go traffic, while Active Brake Assist brakes the vehicle to a stopin an emergency. A chart in the cockpit display with five bars from low to high shows the concentration level of the driver. If the problem is too serious, the vehicle may go into limp mode, which means it will only drive at speeds up to 40 mph. Manual, Active Brake Assist Functions are Currently Limited. When mine shuts off, as it did this past Sunday afternoon, I was most definitely in traffic, both passing other vehicles and being passed so no it was not a case of no radar bounce in 20-30min. Active brake assist is unavailable. The sensors cover the areas in front of, next to and behind the vehicle. Display. Download all media. Active Brake Assist can help to prevent accidents with vehicles in front and with crossing pedestrians or to minimise their consequences. Clean the following Mercedes radar sensors and cameras just like you would clean your windshield. As stated earlier, in most cases, Active Brake Assist Functions Limited means the brake assist 'sensor' at the front of the car is dirty and therefore can't sense distances to the object at the front. Crosswind Assist, which made its debut in the Sprinter in 2013 and marked an innovation in the segment at the time, is also included as standard. Mercedes Benz sprinter 2021 3500 won't - Answered by a verified Mercedes Mechanic. ACTIVE LANE KEEPING ASSIST. Add to the Download Center . 2004 UK Spec 313CDi (OM611 2.2 litre 4 Cylinder Manual Non-ABS), Were you driving without any vehicles in front of you for an. What does Active Brake Assist Functions Limited mean? Now that I know where that sensor is, its painfully obvious! mersum1es Senior Member Joined Sep 25, 2010 Messages 2,278 Pulled my bar light. The system detects lane-changes or braking manoeuvres by other road users and is able to respond immediately: if the distance from the vehicle in front decreases, the vehicle speed is reduced with up to 50 percent of the maximum braking force.