mercedes m273 engine reliability

Most engines in the new series are turbocharged and only 3.5L M276 . M272/M273 Balance shaft replacement. Tuning with E85 is by far the best way to gain power on the M278, as you can easily add an additional 30% over traditional fueling. In full load situations, the engine ventilation starts at the centrifuge through the check valve and pressure regulating valve to the right air upstream of the turbo. The M278 engine has a forged steel crankshaft with eight counterweights and rotates on five main bearings. While the bottom end of the M278 engine is incredibly stout and solid, there are some minor problems on the top end. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. . The causes could range from a clogged fuel injector to blown head gaskets, or a mass airflow problem. It makes it much deeper, raspier, and louder. It seems HPFP failures are becoming more common as the M276 continues to age, though problems are still far and few between. However, the challenge here is that the engine has a pretty complicated timing chain drive arrangement. This has happened to a lot of people. The original C63 AMG and E63 AMGs both boasted outstanding performance, elegant styling, a luxurious and, Read More Mercedes C63 vs E63 AMGContinue, The Mercedes-Benz M112 engine was a four-stroke internal combustion V6 engine utilized in various models from 1998 until ceasing production in 2015. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Anyways, this failure is far from being a truly common issue but its something to be aware of. Read along to find out if there's a manual Merc that fits you. Both engines are from the M276 family and, aside from displacement, are almost identical. Oil leakage was on the backside of the cylinder heads from the round expansion plugs made of plastic material. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. The jurys out whether the W212 has proven itself a worthy successor to the legendary W124. The M273 series was released in 2005 as a successor for the M113 engine. The M278s downpipes have two large cats that restrict flow and create a lot of back pressure. Exactly when this will cause issues is still up for debate. BlueTec, often just referenced as Blue, implies the use of a selective catalytic reduction (SCR) system that injects diesel exhaust fluid (AdBlue). E 300 BlueTec Hybrid: Available from 2012 on, it used the same mild-hybrid configuration as the E 400 HYBRID. All prior 6-cylinder engines from Mercedes were straight sixes. Very impressive numbers for a naturally aspirated engine of the late 90's era. Or M272/273? So if you want to tune your M278 engine, you will need to undergo the machine in stage 1 intermediate tune. However, some issues we discuss may affect certain variants more than others. The first Mercedes-Benz models . Mercedes-Benz W204 (C300, C350, C63 AMG) Video Buyer's Guide: What You Need To Know Before Buying; How to Fix Common Mercedes-Benz Oil Leaks (M112, M113, M272, M273) The Most Common Issues Of The Mercedes-Benz AMG M156 Engine; The Definitive Guide To The Mercedes-Benz Airmatic Suspension System It has a slightly reduced compression ratio, 10.0:1, compared with the M278s 10.5:1. In this article, we will discuss common M272 engine problems along with symptoms and, Read More 4 Common Mercedes M272 Engine ProblemsContinue, The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. Your email address will not be published. Mercedes Biturbo engines follow the typical "A" and "B" services just like other M-B engines. This was the easy part. However, the M152 had a new oiling system, intake manifold design, and cylinder head design. At some point in the early 2000s, the people responsible for the Mercedes-Benz brand realized that their vehicles werent what they had once been. Some were available with all-wheel-drive. Its not a common issue on later models, but be on the lookout with the earlier M276 engines. This engine was also mated to the new seven-speed slushbox. The Mercedes M276 twin turbo engines are proving to be pretty reliable, though. Wasn't the M113 a V8? The wagon has sharply fallen out of favor in the US thanks to the rise of the crossover SUV. Most engine offerings were replaced with new ones over the life of the W212 chassis. Initially, the C43 caught a lot of flack for its perceived lack of power, but it has changed critics minds with its deft handling, impeccable performance, and luxurious interior. Required fields are marked *. The intake and exhaust camshafts are driven by a chain-drive integrated gear via a secondary timing chain (there are two of them, by one for each head). Your email address will not be published. E 63 AMG: Despite its relatively unchanging exterior, the hot rod of the group had several changes under the hood. The cylinder block of M278 is made from lightweight aluminum material. Of course, the major difference is the additional of twin turbos. Its difficult to judge a model that was introduced less than a decade ago; but, according to the above-mentioned criteria, we can safely say the 20102016 W212 E-Class improved on the W211. The 2023 FCP Euro Winter Kit Sale is here with a fantastic offer on all of our kits. The 5.5L and 4.7L V8s are completely aluminum engines. GENUINE FIRST LINE Engine Mount for Mercedes Benz SL500 M273.965 5.5 (3/06-1/12) - $72.13. Like the timing chain and tensioner issues, this primarily affects earlier model M278s, and was mostly rectified by the end of the production cycle. Secondary air pump failures *Not all upgrades fit all models with the M278, make sure you check fitment for your model and year before purchasing. Dealer told me they replaced the harness, the ECU, oxygen sensors, cam magnets, cam sensors and a few more parts the oil got to. Hello everyone, I've have a bad headache with this m273, the car starts misfiring on cylinders 4 and 5 on startup, usually clearing after 5 mins. 5.4L M113 engines power the following 55 AMG models: 1998-2000 C55 AMG 1998-2001 SL55 AMG 1998-2002 E55 AMG Installing the new tensioner part and check valves helps remedy the timing chain issues. 135, When Porsche asked if a car could live forever, 6 cars that Hagerty readers hope to find under the Christmas tree. High-flow panel inserts can be used in conjunction with intakes for the best flow (short of getting a full intake kit). Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. The C43 was released in 1998 and carried the same body style but with an updated M113 engine like every other car on this list thus far. Currently you have JavaScript disabled. Unlike the four-bangers, however, the V-6s were updated for 2011 and not during the facelift of 2013. 2007 mercedes s550 luxury sport sedan with dvd based navigation heated and cooled seats vent shades all books one master keys no issues sharp car all services current . By far the biggest issue with early versions of the M278 were the timing chain and tensioners. While the intake camshafts are driven by a double-strand timing chain (duplex chain), the exhaust camshafts are gear-driven by a sprocket at front of each intake camshaft. Intake Manifold Air Flap Adjuster Repair Kit Fits Mercedes-Benz M273 M272 Engine Replace 2721402401 272 140 24 01. This system enhances the air for a greater density for power production, reduces the formation of nitrogen oxides, and mitigates the tendency for uncontrolled detonation. This combination achieved 24 mpg in the city and 30 mpg on the highway. Later on, Mercedes switched on using NanoSlide coating, a far better material for scratch resistance. 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? Drivers have given the M278 rave reviews in nearly all of the models that feature it. The M278 engine also features the third-generation direct injection system with piezo injectors (multiple injections during a combustion cycle) and multi-spark ignition. What do you think about that? The same technology that lets the factory produce more power from the 5.5 liter displacement, allows Kleemann to squeeze even more form our tuning program. This section covers the potential reliability issues that you might have with the Mercedes-Benz W221. DE35LA engines are in these models: Some of the most common problems with the Mercedes M276 V6 engines include: Well discuss the above issues in greater depth throughout the rest of the article. Required fields are marked *. Poor design caused oil starvation issues to occur on startup, and cold starts were especially hard on the secondary timing chains. Maintain the M276 well and its likely to be an excellent, reliable engine that you can enjoy for years to come. You must log in or register to reply here. Drive as low as 4,8L/100km on highway, 1500rpm at 120km/h. Average Retail Price. Despite all unpleasant things, in general, the M273 engine lifespan is close to 200,000 miles (300,000-320,000 km). I thought the 350 was quite potent. Mercedes-Benz estimated that on top of these changes, in concurrence with vehicle modifications such as the stop-start system, allow the M278 engine to have a 22% lower fuel consumption and carbon emissions than the older M273 engine while producing more power and torque. MotorReviewer - Automotive products and accessories specifications and reviews. Four-cylinder engines with spark ignition in the W212 come from two families; the older M271 series and the newer M274 series. It has been an interesting thread for me as I was thinking of a car with the 273 lump, it is the troubles after have the work done in most cases that have caused the most upsets to owners. The M278 engine is much more fuel efficient that the M273 engine it replaces. Engine power from 355 to 395 horsepower, and torque from 525-555 N / m. 5.7 HEMI V8 Oil Is the 5.7 HEMI V8 Engine Reliable? The M273 E46 and M273 E55 engines are the part of this one family. An evolution of the M113 V8, [1] all M273s have aluminium engine blocks, sequential fuel injection, forged steel connecting rods, a one-piece cast camshaft, and a magnesium intake manifold. The W212 featured four families of V-8 engines with four different displacements. The crankcase ventilation is provided through a line between the impactor and the left air filter. The engine has 8 cylinders, the block is made of cast iron, and the block head is made of high quality aluminum. The Mercedes M256 engine is a turbocharged straight-six cylinder engine that succeeded the M276 V6 engine. Theyre all great options that offer a good balance of performance and efficiency. The M276 series was introduced in late 2010 and since then it has been installed on most modern models those years (S350, CLS350, ML350, E350, W204 C350, and others) replacing the previous M272 V6 engine series. Compare. With the relatively heavy diesel engine and the very heavy hybrid system, this was not as successful of a configuration as it might seem. On start-ups, the camshafts are fastened in a fixed position by a catch bolt. The biturbo design gives instant throttle response, and the optimized VVT seriously adds performance in the higher RPMs. Initially, the C43 caught a lot of flack for its perceived lack of power, but it has changed critics minds with its deft handling, impeccable performance, and luxurious interior. Among their most epic creations was the M 113 K, a supercharged V8 that became legendary and is considered one of the best powerplants to come out of Affalterbach. The nineties were filled with crazy concepts from European manufacturers. The S-Class is usually . Bore size, stroke, and bore pitch are identical. This effectively stops the oil from seeping in and causing issues. Zach has written over 400 automotive articles and continues to be a lead writer for TuningPro. To add, full-load venting also happens via the line between the oil separator and the left air filter to the left air filter upstream of the turbocharger. Even with those, M278 is still a solid, reliable engine with the power and a decent amount of torque. Which one you pick is up to you. Engine: 5.5 liter V8. Since the M272/M273 has been in production for the last fifteen years or so, many of its common ailments are well documented and easy to reference. The 5.5L and 4.7L V8s are completely aluminum engines. The M112 was the 3.7 V6 in the SL350 before the M272 came along? Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. Well give the M276 average to above average remarks for reliability. Some even consider the M113 among the brands best engines. As mentioned earlier, the inside of the M278s cylinders were lined with Silitec, a hyper-eutectic aluminum-silicon alloy that is cast into the aluminum cylinder to reduce friction, lower heat, and reduce wear. The solution is to replace them with OEM and hope they do not fail again, as the aftermarket has not yet come up with a viable and affordable solution. The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. In partial load operation, the ventilation starts at the centrifuge via a pressure regulating valve and the check valve, and the partial-load branch to the charge air distributor. Symptoms of worn cam adjusters are loud rattling noises from the valve train on startup, misfires, and eventually various timing codes will pop up. I've owned 2010 and 2011 E350, but the 2012's new engine and fuel economy are outstanding! Owns this car. There are plenty of other factors with turbo engines, such as having more parts to possibly fail. If not pay attention to knocks/noise for a long time, this may lead to the replacement of the entire chain drive system together with cam adjusters. Good or bad? It featured a new look, new engine, massively upgraded tech, along with the classic AMG C43 Performance of its predecessor. From those rails, the piezo injectors spray refined atomized fuel into the combustion chambers and are capable of providing up to five injections per cycle. This engine makes an impressive 342-362hp and 376-391 lb-ft of torque. Specifically, M278 referred to the 4.7-litre biturbo V8 engine for Mercedes-Benz vehicles; M157 referred to the 5.5-litre biturbo V8 engine for AMG-badged models; and, 2739..30 088611 But.. the Internet is full of bogeymen stories, so be wary of believing that engines are doomed to die. It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Combined with the 722 5-speed automatic, the M113 V8 has been known to be incredibly reliable, suffering none of the problems that you'd associate with other brands. Ethanol is a great way to boost performance on the M278, because tuners can run leaner air-to-fuel ratios and greater ignition timing without running the same risk of detonation or pre-ignition. We will bang the gavel on this verdict, though: there is an engine choice for everyone. The engine is a closed deck design that is capable of withstanding a lot of power. Also, there were some problems with premature valve guide wear, but later engines don't have that issue. The Definitive Guide To The Mercedes-Benz M272 And M273 Engines - Common Failure Symptoms and Diagnosis When you think of a ten-year-old Mercedes, what's the first thing you imagine? Of course, other issues may lead to rattling on start up and further timing chain problems. For example the. $6,825 - $16,150. Incredibly, even with the addition of biturbos, the M278 still retained the same 10.5:1 compression ratio of the outgoing naturally aspirated M273. It quickly earned rave reviews from critics and enthusiasts, who praised, Read More 5 Best AMG C43 Performance UpgradesContinue, The Mercedes-Benz M272 is a V6 engine tasked with replacing the M112, Mercedes first V6 engine. If you run into this problem out of warranty then Mercedes may be willing to work with you and help with the repair bill. With traditional port injection (PI) fuel is sprayed into the intake ports. While the factory intake is adequate, aftermarket intakes will add about 5-15whp while increasing induction sounds. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The tried and true method is walnut blasting the intake ports. I checked my 2014 SL550 about a week ago. The Mercedes-Benz M278, M157 and M152 were 90-degree V8 petrol engines that were introduced in 2010 to replace the M273 and M156 engines. Well clarify where necessary in the article. Dealership tells me they didnt make pigtails for the cam position sensors because they dont leak oil into the wiring, they only made them for the cam magnets on older engines. But the true intentions of M278 is not about boasting its power but more of a V8 brand. The W211 E-Class model that came around in 2002 significantly improved on the W210 but no amount of mid-cycle refreshment could bring it up to the standards set by its grandfather. LegitStreetCars 919K subscribers Subscribe 8.5K 840K views 5 years ago Shopping for a Mercedes-Benz? Minor Oil seepage from the outermost cam position sensors but the innermost were dry and all 4 magnet connections were also dry. At the bottom, there is a two-piece die-cast aluminum oil pan. Buying a cheap European luxury car can be intimidating. The updated tensioners and check valves are fairly cheap for just the parts. Spark plugs and ignition coils are standard maintenance on almost any engine including the M276. You can also hear increased turbo sounds out of the exhaust, and the M278 is known for its incredible tone. https://www.kba.de/SiteGlobals/Forms/Kontakt/EN/Kontakt_Integrator.html?nn=3825088. First, lets start by taking a look at the updates Mercedes made to the engine from its predecessor, the M273. When the balance shaft . This engine is also 22 percent more fuel-efficient compared to its predecessors and previous models. Love the car. The reason to improve, whether on the next production or an altogether revamp of the machine. The connecting rods, crankshaft, and valves are all forged, while the hyper-eutectic pistons, crankcase, and cylinder heads are all cast aluminum. Few problems should happen as long as they are regularly serviced and maintained. Whats your experience with the Mercedes-Benz M276 V6 engine? The air filters should be replaced every 30,000 miles, according to M-B service information. Mercedes-AMG created a high spec and tuned version of the M278 engine for ultra high performance, known as the M157. Please advise where I can source these sleeves. It went back to DOHC and single spark plug while carrying over the advancements from the M113 C cm60k E500E Enthusiast Aug 17, 2011 #12 *M113: misery guys (life & death for money no more), Engineers with no pretty wifes with bad food>>bad sleepy night>>big headache in Each cylinder bank is equipped with an aluminum cylinder head with four valves per cylinder and two overhead camshafts. Performance models made between 429-449hp and 465tq, and peak torque was achieved at just 1,800 RPM. Previously, we have looked at the 5 most common problems with the M157, so make sure to check that out when you get a chance. The 5.5-liter version (M273 55 KE) has 98.0 mm (3.86 in) bores and a 90.5 mm (3.56 in) stroke. The aluminum DOHC cylinder heads have 4 valves per cylinder. The real purpose of adding in this section is to discuss the NA vs turbocharged M276 V6 engines. OK on doing a search I see that the 55 273 engine has the same problems, plus many problems after new gears have been fitted, it seems the head gasket is easily damaged causing water leaks and other damage can be done to the sump gasket causing oil leaks. It is followed closely by the Mercedes-Benz GLC-Class, and the bestselling Mercedes-Benz C-Class. The Mercedes-Benz M273 engine is a V8 automobile piston engine family used in the 2000s (decade). First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. Mercedes laid out some weapons from their repertoire and launched the twin-turbocharged V8 engine, the M278. Go read that article to learn more. These 5 come in under $10,000. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); TuningPro is a blog dedicated to providing car enthusiasts with the best information around performance modifications, engine problems, general maintenance and repair, and tuning. Especially the "owned and driven" experience. Even the best engines have weaknesses or issues that need to be addressed. Hes been repairing, upgrading, tuning, and writing about cars & engines for over a decade. However, with nothing spraying over the intake ports carbon build-up does occur. Any other owners care to share their experiences with these engines? In 2002, Mercedes-Benz vehicles were fitted with a new 4-cylinder petrol engine built from scratch. Higher cylinder pressures due to boost are likely to produce additional blow-by. M272 V6 & M273 V8 engine - soft balance shaft gears. Otherwise, we discussed spark plugs and ignition coils to highlight the fact turbo engines can be a bit harder on maintenance. The Mercedes-Benz M278 is a family of direct injected, Bi-turbocharged, V8 gasoline automotive piston engines.. Thanks for the informative article. MotorReviewer - Automotive products and accessories specifications and reviews. With an intake and downpipes, stage 2 tunes easily add an additional 30-50hp and 70-100tq on top of that (90-150hp/170-230tq over stock). This machine is also referred to as the 4.7 Liter bi-turbo V8 engine designed for Mercedes-Benz vehicles. Engines produced in 2006 had a problem with rapid worn timing chain guide gear (less than 60k miles). The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. Zach is a founder of 8020 Media and TuningPro. The M278 is derived from the company's previous M273 V8 engine, sharing its bore pitch, aluminium engine block, and Silitec aluminium/silicon low-friction cylinder liners. The settlement includes all current and former U.S. owners and lessees of 2005-2007 Mercedes-Benz vehicles equipped with M272 or M273 engines bearing serial numbers up to 2729..30 468993 or 2739 . Alusil cylinders cannot be reliably reringed. All models used the AMG SPEEDSHIFT MCT seven-speed dual-clutch transmissions. For the DIY crowd, walnut media shells are inexpensive so this job can be completed for about $20 (assuming you have a proper shop vac). The Alusil cylinders, unfortunately, cannot be honed. 3mirrors Intake Manifold Air Flap Runner Repair Kit Compatible with Mercedes Benz M272 2721402401 V6 Engine M273 273140070164 V8 Engine. Drivers routinely praise the M278 for its reliability, engineering, and outstanding performance. Comparison shop for Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and choose from Shopzilla's selection of top-rated stores. On top of the direct injection system are a standard and multi-spark ignition mode. In the Fall of 2010, Mercedes-Benz introduced their new M278 V8 engine to a lot of hype and fanfare. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Later, the manufacturer switched on NanoSlide coating which is more scratch resistance. The Silitec coating showed themselves as bad cylinder surface material for operation under high temperatures and detonation. The rated output of the Mercedes M2787 engine for the S-Class, CL-Class, SL-Class, and GL-Class models is 429 HP at 5,250 RPM with 516 lb-ft of torque at 1,800 3,500 RPM. Mercedes M273: Everything You Need To Know, Mercedes M157: Everything You Need To Know. E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels. $39.99. The lifespan is likely about half that of NA engines. As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. Alright. What is most reliable engine in US market ? So far with our AER C300, we have been pleasantly surprised by the reliability and overall performance (other than shearing wheel studs off mid corner during a race). Find many great new & used options and get the best deals for Timing Chain Kit Chain Tensioner Camshaft Adjuster For Mercedes M272 M273 AU at the best online prices at eBay! A 3.5L naturally aspirated V6, 3.0L twin turbo V6, and 3.5L twin turbo V6. For a V8 engine, it may seem so underwhelming by the numbers given by the M278 engine. The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. VW had quite a few problems early on, too. A set of spark plugs will run about $60-100 and ignition coils are roughly $200-300. Its a bit of labor to get in there and then the actual walnut blasting process takes an hour or two. The M157 features twin Garrett MGT2260SML turbos that run 13-14.5 PSI (0.9-1.0 bar) of boost, depending on the application. How to check by VIN. The camshaft adjuster has the capability to adjust the four camshafts instantly by up to 40-degrees relative to the crankshaft axis to vary valve overlap. It has a non-return high-pressure supply with two separate fuel rails. There are also issues with premature wear of valve guide on earlier M278 engines. The GL-Class also features the GL450 trim that carries a detuned 4.7 Liter version making 362 HP and 406 lb-ft of torque. Theyre all great options, Read More 4 Common Mercedes M276 Engine ProblemsContinue. A weak place is engine timing. The honing process destroys the etching layer, and renders them useless. However, no engine is perfect and there arent any exceptions here. Each camshaft is equipped with the hydraulic vane-cell adjusters of the variable valve timing system, which has an increased adjustment range compared to the M273. HPFP failures arent unheard of by any means. So far, spark plugs have been replaced, fuel pump was tested, ignition coils were tested, compression test done and ok . Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. There were naturally-aspirated, turbocharged, and supercharged engines. The Most Common Problem with Mercedes-Benz Engines. Rather, when problems occur these are a few of the common areas. The high-pressure pump is located at the rear end on the right intake camshaft and drives by 4 additional cams. Save my name, email, and website in this browser for the next time I comment. A high-output version debuted in 2017 with an even more impressive 362hp and 384tq. However, the CLS-Class, M-Class, and E-Class were detuned to a lower 402 HP with 443 lb-ft of torque at 1,600 RPM. It's great when some one takes the time to be so informative. (For example, the W212 was first available in Europe as a 2009 model but in North America as a 2010. Both engines share the same die-cast full aluminum cylinder block with 90-degree V-angle and Silitec low-friction cylinder liners. Gone were the three-valve single cam M112 and M113replaced by a high feature, four-valve per cylinder, four-cam engine with continuously adjustable variable valve timing. First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. Theres just one family of engines: the OM651-series, based on a 2143cc engine with Delphi controls. Here are some of the coolest concepts that have fallen through the cracks. Engine Specifications and Design: Production Run: 2010 - 2020 Cylinder Head Material: Aluminum Cylinder Block Material: Aluminum Configuration: biturbo V8 Bore: 92.9 mm Stroke: 86.0 mm Valvetrain: DOHC four valves per cylinder Displacement: 4.7 L (4663 cc) Like the predecessor, the M278 4.6L V8 is a turbocharged engine. Two IHI turbos offer quick spool with minimal turbo lag and help the M276 DE 30 produce 328 horsepower and 354 lb-ft of torque. E 180: This 1.6-liter engine was from the M274 family and made 156 horsepower. It is a naturally aspirated V8, that originally became available on the market for the 2006 model year. While the 4.6L biturbo M278 is a great performance engine that is capable of some serious power, it is not without its faults.

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