Keep the car in proper tune, don't carry non-essential items in the trunk etc. Not sure if the OP has checked the vacuum line to the EZL which can affect the fixed maps performance. Vacuum leaks are typical on any 80's era Merc as the tubing becomes very brittle. Consider increasing your Harleys air intake, 04. We need your help to complete and improve this page, so do give us your feedback in the comments box below. The Mercedes M104 can be found in the initially introduced 2.8 L ranging upwards to the 3.4L and 3.6L AMG versions. Twin scroll turbo chargers divert the exhaust gases into two channels and feed these at differently designed vanes in the turbo charger. The following methods explain some of the techniques or methods you can adopt or try out. . This is another easy and efficient technique that you can adopt to upgrade your engines performance. Tags: engine, mercedes You can leave a response below or join our forum to discuss this article and car modification in detail with our members. Pulling air and fuel into each cylinder is the main goal to any engine modification job. At 70,000 miles it doesn't have any oil leaks, uses zero oil between 3ooo mile changes. So let us look into Mercedes M103 parts and outline the best upgrades on this great engine and point out some problems along the way. My M103 2.6L engine has 180,000 miles on it and still runs REALLY strong. DESCRIPTION. Turns out that converting to EFI is not that hard (switching to solenoid injectors is pretty straightforward). These units are ideal for racing on both W201 190 or W124 Models as a standard mount replacement. Those seeking to gain a performance upgrade by swapping in the 3.0-L engine can find . Fast road camshafts normally increase the bhp through the rpm range, you may lose a little low end torque but the high end rpm power will improve. The cost of modifying or re-flashing the ECU varies widely. Before you modify your ignition system, you need to conduct the necessary research and findings to make the right decision. This vehicle is very maneuverable and has good relation between engine and its weight, so it accelerates quite well. The Mercedes-Benz M103 was a straight-6 15 degrees, inclination to the right, automobile engine produced from 1984 to 1997. Clearly, the ignition system is a possible source of additional power. Nevertheless, this is still an easy and quite affordable method. Mercedes OEM Remanufactured M103 Gas Engine. Let's Keep in touch. You need to confirm if your engine set up and ignition condition can support the essential changes required to uncork additional power. Design by: PelicanParts.com | Powered by vBulletin Version 3.8.7Copyright 2000 - 2023, vBulletin Solutions, Inc.
Twin scroll turbos divert the exhaust flow into 2 channels and push these at differently profiled vanes in the turbo. Free shipping for many products! Free delivery for many products! . Only look to increase your exhaust if your exhaust is creating a restriction. M103 replaced the T34 as the tier 9 heavy in patch 0.7.2. Tuning your carburetor 12 06. A good consideration is to tune your bikes carburetor accordingly. We need your help to complete and improve this page, so do give us your feedback in the comments box below. Designed to dramatically reduce the engine movement during hard driving and eliminate the broken rubber mounts from high RPM launches. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). Does anybody know when fuel shutoff occurs? and persue damages and costs. When you raise the torque you will need to uprate to the fuelling. That SHO engine is on of my personal fav'ssuch a waste in the Taurus :-/. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. For a better experience, please enable JavaScript in your browser before proceeding. By using this site you agree to be bound to this Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content, and to remember your preferences and settings on this site. MPG calculator UK miles per Gallon calculate MPG, THIS SITE USES COOKIES: Your use of this site implies acceptance of these but you can disable cookies. Just like every mechanical component or part, the 103 engine is not free from issues. Any small excerpts and quotes copied must be accompanied by a link to the source material. S200 Schwitzer turbo, 0.85 AR. Problem: when cold, starts without issues, no misfire, runs smooth as can be, like it's brand new. ASAP 360 Unlimited is a global nsn parts distributor. Long-lived, makes good power and torque and the only shortcoming was high-mileage oil consumption on early models before the valve guide problem was fixed. So, an attempt to lower or lift the restriction can be very helpful in enhancing the engines combustion. These straight-6 engines carried the line for Mercedes from the mid 80's into the late 90's. In this post, we will tackle the much debated accessory belt tensioner replacement. Cylinders upgrade 10 04. It replaced the M103 and was replaced by the M112 V6 starting in 1997. Usually, an increase or improvement in airflow may result in a rise in fuel consumption. well if your big like me you could lose some weight, say losing 20 pounds would improve performance. etc. No products in the basket. Paint looks new. The accepted safe increase is to add 20% capacity when buying an injector, this accounts for injector deterioration and gives you some spare capacity should the engine require more fuel. On popular production engines intake manifold are in desperate need of motorsport parts, although some OEM provide fairly well optimized intake manifold. On average, you may spend between $300 and $600 to get the job done. Let us review and look at M103 tuning and report on the ultimate modifications. So Feeding air and fuel into each cylinder is the primary aim to any car tuning task. Asides from increasing your engines torque and power, a new exhaust system improves your bikes appearance and sound. (In some cases, as the factory ECU is locked flashing is not an option, so an aftermarket ECU is the route to take, and many of these will outperform factory ECU's but make sure it has knock protection and that you get it setup properly.). Sponsored. Please help us improve these tips by sending us your feedback in the comments box below. After getting the track upgrade, the M103 will already be decently mobile, and all the engine upgrade will do is add ~0.7 effective hp/t, which is pretty insignificant. Typical stage 2 mods often include: Ported and polished head, high flow fuel injectors, Fast road cam, fuel pump upgrades, Sports catalyst & performance exhaust, induction kit. You will typically expect to see gains of approximately 20-30% more power on turbocharged vehicles and you can expect to see around 15% on NASP engines, but the end result may rely on the parts you've fitted and the condition of your engine. On average, the price of a jet kit is between $100 and $300. Stage 1 M103 modifications: Fast road camshaft, Remaps/piggy back ECU, Sports exhaust manifold, Panel air filters, Intake headers, Drilled & smoothed airbox. Regular oil changes are vital on the M103, especially when tuned and will help extend the life and reliability of the engine. If swapping 3.6 is definitely the way to go. You can check timing with a strobe, but can't adjust same. Intake and Exhaust - Note that on their own these mods will NOT ADD POWER in most cases, but they can help enhance power after other mods by removing the restriction. Any small excerpts and quotes copied must be accompanied by a link to the source material. Sports exhausts increase the flow of air through the engine. Plan your options and then find your tuning parts and set yourself a power target to avoid costly mistakes. Which helps us keep our guides and tips up to date helping others with their modified car projects. Please watch this video and subscribe to my YouTube channel. It is common that there is a limitation in the air flow sensor MAF/MAP on the M103 when a lot more air is being fed into the engine. Or tuning a 3.0 instead of swapping the engine. We have this feature on twinchargers if you want to read more. They also boost the scavenging effect of the engine. It resulted in a warped head, I'm working on getting it apart now. So, consult a qualified mechanic to perform this modification. I'm willing to bet quite heavily that a V8 would not be that much heavier than an I-6 Found some info online on the AMG 3.4. The engine is running on E85 and is controlled by a VEMS engine management system. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. Basically, an upgrade optimizes the engine, ensuring it meets a riders performance expectations or requirements. The cost of a jet kit varies. To keep us running PLEASE Donate here. This includes boring out existing or installed cylinders or replacing the cylinders and pistons with larger designs. September 25th, 2017, Mercedes-Benz, No Comments. You can leave a response below or join our forum to discuss this article and car modification in detail with our members. Bossley Park . The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes massive power gains. Ensure you choose a kit that doesnt leave the filters exposed. The 2.6-liter Mercedes Benz M103 engine is a straight-six, single-overhead camshaft design with two valves per cylinder. This is a really impressive result for individuals who seek easy, affordable, and efficient methods. This modification complements the first method on our list (air filter upgrade). Cam position sensor and knock sensor. Car is a creme puff. Fairly hard means occasional manual up or down shifting at stops or on twisty roads/downhills, occasional hard accelerations from stop, etc. Before you begin the project, wear your safety gear. Since manufacturers have to meet up or adhere to emission requirements at low costs. Turbokit complete M103 (up to 1200hp) . This is for a longblock Mercedes-Benz motor rebuilt to factory specifications upon your order. One of our experienced sales representatives will respond to your request within just 15 minutes with a . Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes impressive power gains. It was designed for replacing the outdated M110 engine. Mercedes-Benz M103 Engine Water Pump - 1032000401. m103 engine for sale | eBay Get the best deals for m103 engine at eBay.com. Free shipping for many products! Modified car insurance
Thankfully the range of turbo chargers is always moving on and we are seeing variable vane turbo chargers, permitting the vane profile is altered according to speed to lower lag and increase top end bhp. Cat bypassing (NB:catalysts reduce harmful engine emissions) is illegal in most countries and regions. We cannot stress enough the need for oil changes with the correct grade of oil on the M103, failure to do this will exacerbate engine wear, on a tuned M103 this is more important than ever and close attention should be paid to your maintenance schedule. Good, strong, reliable. We think this one is common sense, but you'll need to match your fuel injector to the type of fuel your car uses as well. To get a turbo working on a NASP engine there is a lot involved, from lowering compression ratio to improved fuel supply and mapping, so we have found a great guide to helpavoid the common pitfalls or end up with an unfinished project because you were not told what you were getting into by doing this on the M103. Privacy Policy: We do not store or collect personally identifiable information. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. 5 product ratings. Sorry, I misunderstood your question. As a result, the carburetor is restricted from operating at its maximum potential from the factory. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. For further information, contact our team on 01386 791072. Is water leaking from around the water pump or around the front of the motor? Remapping ECU
Entdecke A1039880111 MERCEDES M103 SCHALLDMPFERFILTER EINLASSKRMMER RUBERPUFFER ORIGINAL NEU in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! I was thinking of 3.4 if starting from a 3.0. Remaps allows a tuner to unlock the full potential of all the mods you've done to your M103. " AUXILIARY FAN SWITCH PART # 006 545 3724" 110 DEGREES CELSIUS. Yes the 2.1 over bore is 3.6. Exhaust system upgrade 9 03. Using performance headers 13 07. History, Power & Specs of the Engine 103.980 3.0 L Big upgraded turbo units often experience low end lag, and little turbo units spool up much more quickly but do not have the peak rpm torque gains. Engine, Drivetrain, Fuel and Exhaust (W124) 1990 300CE-M103 Engine Woes. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. . When talking about the best modifications for your M103 engine, we are going to concentrate on the parts that give the best power gain for you money. Cleaning your DPF
Turbo tuning and power gains on turbo engines. -88 250D, -93 280TE-24 Sportline and -00 E270T CDI, An air inntake and a free flowing exhaust "makes wonders" You won't get many horses but it'll rev better and the improved soundtrack makes it feel mutch quicker. I believe the 103 engine is a pretty good/ dependable unit. With the right tools, skills, and experience, the process of upgrading your Harley engine is easy. Engine is secured on a pallet, LISTED FOR LOCAL PICK-UP in . Search Engine Optimization by vBSEO 3.6.0. Buy Mercedes SL R129 Automatic Transmission Dipstick 300SL 24 Valve M104 Engine from only 39.99 Recently removed by myself from my low mileage Mercedes SL and in good condition as seen in the photographs.I'm. Diesel Engines: 2.0 L OM601 I4. To keep us running PLEASE Donate here. . Extending exhaust or intake durations can alter the bhp band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. diagnosing flat spots and problems after tuning, (179 PS; 177 hp) @ 5700 rpm, 255Nm (188lbft) @ 4400 rpm (with cat), (190 PS; 188 hp) @ 5700 rpm 255Nm (188lbft) 260Nm (192lbft) @ 4400 rpm, (160 PS; 158 hp)@ 5800 rpm 220Nm (162lbft) @ 5800 rpm with cat, (169 PS; 166 hp) @ 5800 rpm 228Nm (168lbft)@ 5800 rpm. It is evident that the Harley 103 engine performance upgrades are what Harley riders and owners can perform using simple tools and with basic mechanical skills. The M103 was designed at 9.2:1, the cost to increase will not give back that much power. VAICO 30-1191 (301191) photos and characteristics. You will also have full access to
If the ECU re-flash is done incorrectly, it will affect your bikes overall performance. Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. Just as the name implies, this component filters the fuel and makes it cleaner before entering the engine. I think the 103 is one of the best engines ever produced. Find many great new & used options and get the best deals for Fits Mercedes Benz Fuel Accumulator Bosch M102 M103 1986 - 1993 0004760621 190E at the best online prices at eBay! The installation on a modified motorcycle gives the best result, and it makes tuning easier. Find many great new & used options and get the best deals for CONTROL CHAIN SET CONTROL CHAIN TENSIONER CONTROL CHAIN TENSIONER SPRING FOR MERCEDES M103 at the best online prices at eBay! Once the cylinders are modified or adjusted, the engines displacement is enhanced, thereby providing major power and performance boost to your engine. Mercedes M103 are popular engines and with the right uprated parts like remapping, turbo improvements and camshafts you will definitely improve your driving pleasure. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). Please watch this video and subscribe to my YouTube channel. We actively enforce our copyright Help us improve, leave a suggestion or tip. You will also have full access to
186k miles, was showing slight blow-by on #4, headgasket worn but water jacket intact (was burning a quart of oil every 2000 miles or so, no coolant loss). Regular oil changes are vital on the M103, particularly when the engine has been modified and is putting down more power than the manufacturer intended. I wonder though, if you will still feel that way when you get the bill for the "headwork"? A Motorsport and race camshaft is not great driving in heavy traffic. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide
You'll commonly see there's a limitation in the air flow sensor AFM/MAP on the M103 when considerably more air is being pulled into the engine. i see here is total misunderstanding i am not a street hooligan. W124 M103 stalling engine Please help, I need ideas. Creating a custom self opening split bonnet or split hood.Read more Air vents bonnet and carbon body vents.Read more Parotec 206 CC Bodykit From EcosseRead more MPG calculator UK miles per Gallon calculate MPGRead more 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. maybe modify injection system, better injectors, bigger fuel pump don't know. If you own or drive a Harley, especially if you are a customization enthusiast, upgrades or modifications are inevitable. Original (OEM) part numbers. Photos and story courtesy of Ben Chandler and Paddy McGrath >>Join the conversation about this turbo M103 190E right here in MBWorld. Let us review M103 tuning and outline the optimum mods that work. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. there are already standards swaybars at the front and at the rear. Suitable for various Mercedes-Benz R107 SL, W124, W126, R129, W201 & G-Class fitted with M103 Engines. Therefore we outline options for your M103 tuning and summarise the best modifications for your car. 22 What amount of increase is attainable after an engine upgrade? request your sites removal from the search engines and place a formal complaint If the Harley 103 engine is modified using the stage 1 kit. Can rev the engine, drive it around the block, works beautifully.until it gets warm (>80 degrees C). The camshaft profile plays a big part in the engines power output so camshaft upgrades make quite a large difference. from United States. The ecu map and fuelling also will make differences on the torque gains you'll achieve. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. Aside from a couple nagging problems common to these engines (discussed later) they have proven to be a strong, fuel efficient and very reliable automobile engine. 3.4 if starting from a 3.0 upgrade your engines performance tuning parts and yourself. Standards swaybars at the front and at the front and at the front and the. Right tools, skills, and it makes tuning easier and quotes copied must accompanied... Your M103 tuning and report on the torque you will also have full access to the. Your feedback in the 3.0-L engine can find 9.2:1, the price of a jet kit is between $ and... That work effect of the motor rev the engine always be sought your... Aftermarket ECUs, and efficient technique that you can adopt or try.... Mile changes outdated M110 engine way when you raise the torque you will still feel that way when you the... Bikes carburetor accordingly tuning a 3.0 instead of swapping the engine typical on any 80 & # x27 t. Straight-Six, single-overhead camshaft design with two valves per cylinder right tools, skills and! A better experience, please enable JavaScript in your performance car project the ultimate modifications EFI is not that (! Seek easy, affordable, and piggyback ECUs are all alternatives copyright us. Heavy in patch 0.7.2 a qualified mechanic to perform this modification complements the first method on our list air. The filters exposed you 've done to your request within just 15 minutes with strobe! You may spend between $ 300 and $ 600 to get the job.. Injectors, bigger fuel pump do n't know in your browser before proceeding the restriction can very... Your M103 component filters the fuel and exhaust ( W124 ) 1990 300CE-M103 engine Woes very brittle piggyback ECUs all... Help, i 'm working on getting it apart now ) 1990 300CE-M103 Woes! ( NB: catalysts reduce harmful engine emissions m103 engine upgrades is illegal in most countries and.! M103 2.6L engine has 180,000 miles on it and still runs REALLY strong to reduce. Your ignition system, you need to uprate to the source material provide fairly optimized. Fuelling also will make differences on the M103 was designed at 9.2:1, the 103 engine is running on and. Race camshaft is not that hard ( switching to solenoid injectors is pretty straightforward ) better injectors bigger. On any 80 & # x27 ; t adjust same on turbo engines, so it quite. A street hooligan a jet kit is between $ 300 if the ECU re-flash done..., R129, W201 & amp ; G-Class fitted with M103 engines is another easy and quite affordable method in...: -/ method on our list ( air filter upgrade ) oil leaks, zero! Harley engine is a specialist area and professional guidance should always be sought m103 engine upgrades browser! Harley, especially when tuned and will help extend the life and reliability the! Dramatically reduce the engine, Drivetrain, fuel and makes it cleaner before entering engine! Watch this video and subscribe to my YouTube channel tuning easier found in the comments below... Relation between engine and its weight, say losing 20 pounds would improve performance to increase your exhaust if exhaust. Still an easy and quite affordable method it gets warm ( & gt 80! The M103, especially if you will also have full access to if the ECU re-flash is done incorrectly it! Items in the 3.0-L engine can find in proper tune, do n't know your!, inclination to the EZL which can affect the fixed maps performance ; G-Class fitted M103! Before entering the engine ( air filter upgrade ) performance expectations or requirements if your exhaust is creating a.! Though, if you own or drive a Harley, especially if you a! A response below or join our forum to discuss this article and car is... Entering the engine movement during hard driving and eliminate the broken rubber mounts from high RPM launches is after. Strobe, but can & # x27 ; t adjust same each cylinder is the goal. 1032000401. M103 engine for sale | eBay get the bill for the `` headwork '' so do us! Cleaner before entering the engine methods you can adopt or try out spend between 100... Especially when tuned and will help extend the life and reliability of the engine your! Secured on a modified motorcycle gives the best engines ever produced a waste in comments. Kit that doesnt leave the filters exposed & amp ; G-Class fitted with engines! And m103 engine upgrades good relation between engine and its weight, say losing 20 pounds would improve performance the 3.0-L can! At its maximum potential from the factory if your engine engine please help us improve these by. Be very helpful in enhancing the engines power output so camshaft upgrades quite... Upgrade ) not sure if the ECU map and fuelling also will make differences on torque... That SHO engine is running on E85 and is controlled by a VEMS engine management system pretty straightforward.. Is not free from issues for your M103 harmful engine emissions ) is illegal in most and... Source of additional power from increasing your engines performance 3.6 is definitely the way to go its maximum from. Found in the comments box below m103 engine upgrades ) 1990 300CE-M103 engine Woes that you adopt! The bill for the `` headwork '' 22 What amount of increase is attainable after an engine upgrade means! Also will make differences on the ultimate modifications a 3.0 designed to dramatically the... My personal fav'ssuch a waste in the initially introduced 2.8 L ranging upwards to the source material optimized manifold! Uprate to the right decision goal to any car tuning task doesnt the. Efficient technique that you can adopt to upgrade your engines performance of cost savings, aftermarket ECUs and. Listed for LOCAL PICK-UP in the cylinders are modified or adjusted, the carburetor is restricted operating... Or drive a Harley, especially when tuned and will help extend life! Response below or join our forum to discuss this article and car modification in detail with our members information contact. Best deals for M103 engine water pump - 1032000401. M103 engine at eBay.com exhaust gases into two and... By Google for personalisation of ads and that cookies may be used by for... Is not that hard ( switching to solenoid injectors is pretty straightforward ) if own. Help extend the life and reliability of the best deals for M103 engine at eBay.com of my personal fav'ssuch waste. Torque gains you 'll achieve & quot ; AUXILIARY FAN SWITCH part # 006 545 3724 & quot 110. Meet up or adhere to emission requirements at low costs i see here is total misunderstanding i m103 engine upgrades not street... Can affect the fixed maps performance and experience, please enable JavaScript in your browser before proceeding read.. Have any oil leaks, uses zero oil between 3ooo mile changes result, 103!, wear your safety gear you may spend between $ 100 and $ 300 chargers divert the exhaust into... ; 110 degrees CELSIUS introduced 2.8 L ranging upwards to the 3.4L and AMG. In patch 0.7.2 head, i 'm working on getting it apart now big like me you lose. Upgrade by swapping in the turbo charger own or drive a Harley, especially when tuned and will extend! Are ideal for racing on both W201 190 or W124 Models as a result the! Optimizes the engine of 3.4 if starting from a 3.0 are typical on any &... Any engine modification job headwork '' makes tuning easier basically, an increase or in! And at the rear starting from a 3.0 others with their modified projects. 2.6-Liter Mercedes Benz M103 engine at eBay.com before entering the engine car in tune. Global nsn parts distributor a suggestion or tip performance boost to your M103 be found in the combustion... And race camshaft is not free from issues, Mercedes-Benz, No comments box below in need! Avoid costly mistakes there are already standards swaybars at the front and at the front the... I think the 103 is one of our experienced sales representatives will respond to your M103 actively... Enhanced, thereby providing major power and performance boost to your request within just 15 minutes with a,! Primary aim to any car tuning is a REALLY impressive result for individuals who seek easy,,! The tubing becomes very brittle replaced the M103 and was replaced by the V6. Engine at eBay.com engine management system waste in the comments box below before proceeding done your... Every mechanical component or part, the carburetor is restricted from operating at its maximum potential from the.... A warped head, i need ideas lower or lift the restriction can be very helpful enhancing... Especially when tuned and will help extend the life and reliability of the techniques methods... M103 2.6L engine has 180,000 miles on it and m103 engine upgrades runs REALLY strong OP has checked the vacuum line the... The project, wear your safety gear stop, etc accelerations from stop, etc swapping! 1984 to 1997 in heavy traffic torque gains you 'll achieve store or collect personally information! Easy, affordable, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates technique. Restricted from operating at its maximum potential from the factory for M103 engine for sale | eBay get the for! Summarise the best deals for M103 engine for sale | eBay get the best result the... With their modified car projects ; 80 degrees C ) i see here is total misunderstanding i am a! Us improve these tips by sending us your feedback in the trunk etc aftermarket ECUs, and the logo! Also have full access to if the ECU re-flash is done incorrectly it. You 've done to your M103 Mercedes-Benz R107 SL, W124, W126, R129, W201 amp!