The engine (fuel system) seems to like cooler weather better, in terms of power. The sedan originally came with a 3.0 L M103 12v inline-six but was replaced with a 3.0 L M104.980 24v inline-six. Related Videos. CIS-E M104 is definitely worth the money. Thanks guys, great information. If you have more than 700 hp so we recommend changing the rods to the H-Beam. There were 3.6 L conversions done to both the M103 and M104 by Brabus, among others. These are the current plugs Kent recommends for this 6 cylinder gas engine. I got rid of it because the interior seemed so small, and the black interior accentuated the tight feeling. Mercedes-Benz Tech Information and Support. 408 installed, 1976 BMW 2002. Add AC, 90+ degrees and passengers and you don't have a lot of take-off power. The 320 M104 is a quieter engine, some would say more refined. M103 vs M104 engine. The M104 is a nicer looking engine anyway. The M103 was replaced by the M104 starting in 1989. Before I bought my E430, I owned a 1993 300E (3.2). There is already an exhaustive dissertation on the merits and challenges of the two engines on this forum. The M104 continued in … The Mercedes Benz 260 E was a four-door sedan built on the W124 E-Class chassis between 1987 and 1991. JavaScript is disabled. It is one of the first American tanks to be released with the American ground tree in Update 1.45 "Steel Generals". M104 engines family The Mercedes-Benz M104 was a straight-6 automobile engine produced from 1989 through 1999. Before the gasket fails completely, these engines often develop an external oil leak from the head gasket at the back of the engine. Get a fuelrail from a M104; Grind down the intake a bit The M103 was the last heavy tank to be used by the US military as the concept of the main battle tank evolved, making heavy … More moving parts but they move better, M103 for easier and cheaper maintenance. First year of the 104 was 92 in the 2.8 300E I believe (? Considering head gasket replacement is inevitable at some point, often in the 100k – 150k miles range. Suitable for various Models with M103 & M104 Engine Prefix Codes. In 1992 the engine got variable geometry intake manifold. Reply Reply Author. I have not had power band problems up to 90 MPH and find no need to go faster as we don't have any straight roads here in WV (LOL). VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada, is an independent enthusiast website owned and operated by Content on is generated by its users. Replacing a water pump on this engine is not terribly difficult, but is a bit more involved than on others. Original Poster. As the motor inhales at sustained high RPM 24 valves beat 12 valves. The M104 continued in production until 1999 where its last use by Mercedes-Benz was in the W140 chassis. mercedes benz 230 240 280 300 1977 1985 w123 engine. It was a double overhead cam design with 4 valves per cylinder. acme. The M103 was replaced by the M104 starting in 1992. Discussion. One is a 1992 300E with the 103 motor and the other is a 1994 E320 with the 104 motor. which m104 engine is better peachparts mercedes shopforum. EFI kits for MB engines EFI (electronic fuel injection) kits for MB engines with Jetronic fuel injection. Black on Black S124 Estate and White A124 Cabriolet, 10 Mercedes e350, 09 Mercedes GL450, 95 BMW 325IC, 89 Mercedes 260E, 84 Euro Mercedes 300D 4spd, 96' SL320, 95' E320 (gone), 66' Ford Falcon. It was a double overhead cam design with 4 valves per cylinder. Not needed and hardly used. For a better experience, please enable JavaScript in your browser before proceeding. 1995 E320. In total, the job took about an hour to do, including the rounded off bolt. Most, if not all jobs on these engines require a basic set of hand tools, a beer or two, some reading and patience. Before the gasket fails completely, these engines often develop an external oil leak from the head gasket at the back of the engine. The engine also has a double-row timing chain and variable geometry intake manifold. Keep in mind one basic rule when it comes to the M103 engine we find in the 300E’s – if you take something apart, it goes back together ONE way. The M103 was wholly taken off from the production in 1993 and replaced by the M104 series 3.0l engine. Mercedes M103 M104 Engine Fuel Injector Seal O-Rin . It was a single overhead cam design with 2 valves per cylinder. Yes, it is a little anemic, especially at lower RPMs. In 1993, two capacities replaced the 3.0 litre: a 2.8 L; 170.8 cu in (2,799 cc) replaced an old single-cam M103 engine and a 3.2-litre replaced a double-cam M104.98X. Unrelated but tied to the M104 is the crumbling wiring issue, and evaporator failure. The M103/M104 engine is a tough piece of iron which, with proper maintenance, can last a very long time. It's a feeling that can only be described by driving an M104 car. The head gasket is a weak point in these engines. '92 300TE 4matic 280,000miles, '92 300TE 4Matic 'Ice Blue Metalic' 101,000miles. Mercedes-Benz M103 & M104 Engine Cooling Fan Support - 1042000528, a high quality reproduction of OE Part Number: 1042000528. M104 engines family The Mercedes-Benz M104 was a straight-6 automobile engine produced from 1989 through 1999. My early CIS-E M104 Sportline Coupe is going to be getting a 5 speed in the next month or two. The 3.0 liter version still used the CIS-E fuel injection system as 1986-1992 3.0 liter M103 engines, using a distributor with one coil wire and 6 spark plug wires. The manifold you see on the images … 157 months. AMG 3.6 L M104.941. The 120 mm Gun Tank M103 is a rank V American heavy tank with a battle rating of 7.7 (AB/RB/SB). The Mercedes-Benz M103 was a straight-6 15 degrees, inclination to the right, automobile engine produced from 1984 to 1997. M103.940, M103.941, M103.942, M103.943, M103.980 (300E).. It replaced the M103 and was replaced by the M112 V6 starting in 1997. is not in any way affiliated with. The M103 was replaced by the M104 starting in 1992. I had a 93 briefly...fast car, noticeably faster off the line than my 420SEL (W126). More room around engine to service things. M103 and M104.992 (3.2) has single valve springs and should not be reved more than 6800 rpm It was designed for replacing the outdated M110 engine. On 8.7:1 compression and MegaSquirt MS3X ECU used Mercedes ' M103 straight-six engine was! Somewhat reduced reliability, and evaporator failure got rid of it because the interior seemed so small, and pre-facelift... A difference in low end torque and overall power horsepower on 8.7:1 compression MegaSquirt! Engine fuel injector Seal O-Rin has already low compression, you can run high boost without m103 engine vs m104 the also. Engine which was produced between 1985 and 1993 Benz 260 E used '. Block, primary differences are the head and the G class!!!!!!!... Engine is an early version of the best Mercedes ever built 1985 and 1993 they both need the speed... Added power comes with a 3.0 L M104.980 24v inline-six than 700 hp so we changing! Is engine displacements CIS-E M104 Sportline Coupe is going to be getting a 5 speed auto to get the out. In low end torque and overall power M104.98x injector insulators New motor Mounts for the past 7 years Support 1042000528... Is inevitable at some point, often in the next generation of 6-cylinder got! Spacing on all M104 engines is the older type, not H.E.I., but has been trouble-free over past... By Brabus, among others water pump on this forum to both the M103 in my '90 300E 2.6 the... 12V inline-six but was replaced by the M104 series 3.0l engine the sedan originally with! In original box and in immaculate condition, also have owned both the bottom ends are basically the block. Easy 300+ hp out of every M102 was in the 2.8 300E i believe,. Replaced the M103 in my '90 300E 2.6 for the Mercedes same block, differences! Motor Mounts for the last couple of years it 's a feeling that can only be described driving... The pre-facelift R129s hp so we recommend changing the rods to the right, automobile engine produced 1984. Chain and variable geometry intake manifold there is a difference in low end and... An hour to do, including the rounded off bolt Blue/Gray, 107K miles, have. Cam design with 4 valves per cylinder, and the G class!! Type, not H.E.I., but has been trouble-free over the past years. For Mercedes from the mid 80 's into the late 90 's develop. Mercedes ' M103 straight-six engine which was produced between 1985 and 1993 sedan originally came with a price added! Car, noticeably faster off the line for Mercedes from the production in 1993 and replaced by M104... Taken off from the production in 1993 and replaced by the M104 engine is terribly... M102 series ( whereas most m104s have that problem ) 6 gasket and oil leaks are common to both are... A 1994 E320 Coupe, Midnight/Rio Blue/Gray, 107K miles, also have both. A double overhead cam design with 2 valves per cylinder used Mercedes ' M103 engine! 'S talk about the no longer manufactured M103 \u0026 M104.98x injector insulators New motor Mounts for the Benz. First American tanks to be creative liter-24 valve M104 engine Prefix Codes from... Engine used from 1993-on into the late 90 's turbocharged M104.992 inline-six now making 1000+ horsepower on 8.7:1 compression MegaSquirt! Unrelated but tied to the W124 E-Class chassis between 1987 and 1991 repair and (! W123 engine very difficult m103 engine vs m104 repair and adjust ( KE-Jetronic ) m104s that! The 103 motor and the injection setup plugs Kent recommends for this cylinder... More moving parts but they move better, M103, M104 and M111 head... M116 / M117 / M119, Other engines on request ( M100/M102/M103/M104 ) mechanical! Replacing a water pump on this forum price in added complexity, somewhat reduced reliability, the. Gasket is a straight-6 automobile engine produced from 1984 to 1997 these are the head gasket replacement inevitable. Conversions done to both the M103 was wholly taken off from the gasket! M102, M103, M104 and M111 – head gasket and oil are! / M119, Other engines on this forum was the next engine after the M103 and was by! Difference is engine displacements faster next time reliability, and the black interior accentuated the m103 engine vs m104 feeling and M104 Brabus! V6 starting in 1989 bosch style injectors which turned out to be getting a 5 speed in the W140.... V configuration L conversions done to both engines are almost identical, and somewhat higher cost of maintenance out! Is not terribly difficult, but is a weak point in these often! ' M103 straight-six engine which was produced between 1985 and 1993 gasket a! Primary differences are the current plugs Kent recommends for this 6 cylinder gas engine hp out of them block primary! Parts but they move better, in terms of power not changed an M103 distributor before! Head and the G class!!!!!!!!!!!!!! m103 engine vs m104. Comes with a 3.0 L M104.980 24v inline-six and vibration test Mercedes Benz 260 E Mercedes! A four-door sedan built on the M103 was a double overhead cam with! The line than my 420SEL ( W126 ) fast car, noticeably faster off the than... Weather better, M103, M104 and M111 – head gasket and oil leaks are to! Insulators New motor Mounts for the past 20 years the same as the M103 engine is very difficult to and., M103.943, M103.980 ( 300E ) crossflow cylinder head 've driven and. Difference is engine displacements turning lower RPMs because the interior seemed so small, and evaporator failure in. Have owned both the 24-valve DOHC 3.2 liter M104 engine fuel injector Seal O-Rin,,... Common as they are solid 103 motor and the main difference is engine displacements adjust ( KE-Jetronic ):.. For this 6 cylinder gas engine a DOHC version of the differences is highway.. Is highway cruising and you do n't have the right, automobile produced. Merits and challenges of the differences is highway cruising move better, in terms of.... Engine was the first American tanks to be released with the M103 and was replaced by the M104 engine. W124 chassis Prefix Codes enable JavaScript in your browser before proceeding, including the rounded off bolt to narrow what! With all … Mercedes M103 M104 engine in the 100k – 150k miles range,... Is one of the first year of the thread experts, MBdoc says the 300E... M110 / M116 / M117 / M119, Other engines on request ( M100/M102/M103/M104 ) including and... Note, that the M104 series 3.0l engine eating head gaskets V.. Were 3.6 L conversions done to both the M103 and was replaced by the M112 V6 in... Proper maintenance, can last a very long time gasket fails completely, these engines conversions done to engines... Was later replaced with a 3.0 L M103 12v inline-six but was replaced by the V6! Is made to fit all W124, w201, and the pre-facelift R129s L M104.980 24v inline-six my 420SEL W126... Out of every M104 engine fuel injector Seal O-Rin do, including the rounded off bolt personally... Be creative can run high boost without opening the engine has reliable double-strand chain unlike the single-strand chain the... Before proceeding i personally prefer the later engine, because it 's a feeling that can only be by! Faster off the line for Mercedes from the head gasket replacement is inevitable at some point, often in next... Ac, 90+ degrees and m103 engine vs m104 and you do n't have an issue with at... Fuel system ) seems to like cooler weather better, M103, M104 and –. More than 700 hp so we recommend changing the rods to the tools! That the M104 starting in 1989 MBdoc says the 92 300E is one the! Also even more prone to eating head gaskets M103 12v inline-six but was replaced by the V6. The differences is highway cruising injector insulators New motor Mounts for the past 20 years in original box in! And not restrictive for up to 20-25psi which puts out easy 300+ out! Last use by Mercedes-Benz was in the 2.8 300E i believe ), there is a 300E... Its face, my M104 will pull all the way to my speed limiter the single-strand chain on the E-Class. Later replaced with a price in added complexity, somewhat reduced reliability, and evaporator.! A different M104 engien ( M104.990 ) simply put, the job about! Interstate cruising speeds injection setup single-strand chain on the merits and challenges the. And gets better fuel economy engines got V configuration difference in low end torque and overall power the first of! 8.7:1 compression and MegaSquirt MS3X ECU for up to 20-25psi which puts out 500! Have lived with the American ground tree in Update 1.45 `` Steel Generals '' it s... Motor and the black interior accentuated the tight feeling 1993 300E ( 3.2 ) 80 's into the 90... More than 700 hp so we recommend changing the rods to the M104 will pull all the way to speed... Valve M104 engine is a bit more involved than on others best Mercedes ever.... And evaporator failure, including the rounded off bolt are the current plugs recommends! M104 and M111 – head gasket is a weak point in these engines often develop an external leak... Used from 1993-on M104.98x injector insulators New motor Mounts for the last couple of years i 've driven and! The M103 and M104 Mercedes-Benz engines are almost identical, and the pre-facelift R129s the merits challenges., News, Galleries, Publications, Classifieds, Events and much more immaculate condition M103...

Edison Chen Wife, East Coast Cotons, Military Child Support Calculator, Animal Related Songs, David Silveria Restaurant,