Mercedes Benz 190 1984 - 1988 Haynes Owners Service & Repair Manual covers: All models, 4 Cylinder Petrol engines 1984 - 1988 (W201 series).
● Introduction: Vehicle Identification Numbers; Buying Parts; Maintenance Techniques, And More.
● Tune-Up And Routine Maintenance
● Engine And Overhaul Procedures
● Cooling, Heating And Air-Conditioning Systems
● Fuel And Exhaust Systems
● Engine Electrical Systems
● Emissions Control Systems
● Suspension And Steering Systems
● Chassis Electrical System
● Wiring Diagrams
Haynes repair manuals can save you money on maintenance and repair bills. Step-by-step procedures and illustrations guide you through every job, from basic maintenance and troubleshooting, to complete teardown & rebuild.
The Mercedes-Benz W201 is the very first lightweight professional automobile from Mercedes-Benz launched in 1982, situated below the Mercedes-Benz E-Class and S-Class---and advertised under variations for the Mercedes-Benz 190 nameplate.
The W201 showcased a complex rear 5-link suspension, afterwards used in E and C lessons models, front side and back anti-roll bars, anti-dive and anti-squat geometry---as well as offered airbags, abdominal muscles brakes and seatbelt pretensioners.
The W201 enjoyed powerful business in Europe but fared poorly in america. Show production finished 13 April 1993 following the make of around 1.8 million examples. The 190 and its particular variants are been successful in compact administrator automobile portion because of the C-Class, a newly developed nameplate.
Seatbelts in several more recent automobiles will also be equipped with "pretensioners" or "web clamps", or both.
Pretensioners preemptively tighten the gear to avoid the occupant from jerking forth in an accident. Mercedes-Benz very first introduced pretensioners in the 1981 S-Class. In case of a collision, a pretensioner will tighten the belt easily. This decreases the movement associated with the occupant in a violent crash. Like airbags, pretensioners were set off by detectors in vehicles's body, and several pretensioners purchased explosively growing gasoline to operate a vehicle a piston that retracts the gear. Pretensioners furthermore reduced the possibility of "submarining", which occurs when a passenger slides forward under a loosely fitted seat belt.
Some systems in addition pre-emptively tighten the gear during fast accelerations and strong decelerations, even in the event no crash possess took place. This has the advantage so it may help stop the driver from sliding out of position during violent elusive maneuvers, which may cause lack of control of the automobile. These pre-emptive protection systems may lessen some collisions from happening, plus decreasing injury in the case a real collision happens. Pre-emptive methods generally speaking make use of electric pretensioners that may function over and over repeatedly and a sustained period, as opposed to pyrotechnic pretensioners, that could only run one time.
Webclamps clamp the webbing in case of an accident, and limit the distance the webbing can spool aside (due to the unused webbing tightening from the central drum of the method). These devices also frequently incorporate an electricity control cycle ("rip stitching") where a section for the webbing are looped and stitched with an unique sewing. The big event for this is always to "rip" at a predetermined load, which reduces the utmost force transmitted through the buckle on occupant during a violent collision, decreasing injuries into occupant.
Research shown that standard automotive 3-point restraints installed with pyrotechnic or electric pretensioners weren't able to remove all interior traveler area head strikes in rollover test problems. Electricity pretensioners are often incorporated on automobiles equipped with precrash systems; these are typically made to decrease seat belt slack in a possible collision and assist in placing the occupants in a far more optimal sitting place. The electric pretensioners may also are powered by a repeated or suffered basis, offering best safeguards in the case of a prolonged rollover or a multiple collision crash.
Mercedes invested over 600 million exploring and establishing the 190 and consequently said it had been 'massively over-engineered'. The W201-based 190 ended up being introduced in November 1982.
Neighborhood red-tape in Bremen (which created commercial vehicles at the time) stopped Daimler-Benz from building the 190 there, therefore production had been were only available in Sindelfingen at a capacity of just 140,000 devices each year. Eventually after just the very first 12 months, Bremen was cleared for creation of the 190, changing their commercial vehicle lines, and there the 190 was designed with the very first flowing modifications since production.
The 190 age (E for Einspritzung, or gasoline Injection) model uses the Bosch Jetronic Multi-Point gas injections to meter fuel as opposed to the carburetor of 190 brands. By way of their gas injections program, 190 E systems made additional energy and were additional fuel effective when comparing to non-fuel injected 190 designs.
1985 Mercedes-Benz 190 E
In 1982, 1st readily available products are the 190 and 190 E. Each was fitted with an M102 1,997 cc displacement system. The 190 was fitted with an M102.921 90 hp (67 kW) engine as well as the 190 age fitted with an M102.962 122 hp (91 kW) motor. In September 1983, the 190 age 2.3 (2,299 cc) premiered the us markets just (although a 190 age 2.3 appeared in more countries later on), installed with a 113 hp (84 kW) M102.961 system. This reduction in power is because of the emissions requirements in the us market at the time. The intake manifold, camshaft, and fuel injection system had been processed in 1984, together with system produced 122 hp (91 kW). The carbureted 190 had been revised in 1984 besides, increasing their horsepower score to 105 hp (78 kW). 1984 furthermore saw the arrival of the 2.3-16 "Cosworth."
In 1985, the 190 E 2.3 today came installed with all the M102.985 engine, making 130 hp (97 kW) hp until it was modified in 1987 to utilize Bosch KE3-Jetronic Injection, a unique ignition program, and a greater compression ratio, producing 136 hp (101 kW).
1987 marked the arrival of first inline-six furnished 190, the 190 E 2.6. Fitted because of the M103.940 system, the 190 age 2.6 supplied 160 hp (119 kW) with a catalyst and 164 hp (122 kW) without. Into the North American marketplace, the 190 E 2.6 is offered until 1993, the end of the W201 chassis's production. From 1992-1993 the 2.6 had been available as a special "Sportline" model, with an upgraded suspension and interior. The 190 age 2.3 had been marketed until 1988, then continued a short hiatus until it absolutely was marketed again from 1991 until 1993.
The W201 190 D is renowned for their extreme dependability and ruggedness with several examples starting above 500,000 miles with no significant work. The 190 D was for sale in three various motors. The 2.0 was the baseline, and ended up being never ever sold in united states. The 2.2, with the same energy because the 2.0, ended up being launched in September 1983. It had been best available in design ages 1984 and 1985, and only in the USA and Canada. The 2.5 had been available in the belated 80's and very early 90's. The 2.5 Turbo, while offered in mainland Europe, not great britain for quite some time, is offered to American purchasers just in 1987 and is today notably of a collectors product. The outside associated with 2.5 Turbo differs off their designs because it's fender vents right in front passenger part fender for the turbo to breathe.
When it comes to UK and Irish markets a particular edition 190 premiered when it comes to 1993 model year. The automobile was given the badge title 190LE though on the back boot cover they study 190 age (regarding the left hand region of the lock) and LE on the right hand part. Roughly 1000 LEs were produced and every any was included with a sizable A3 sized certification providing each vehicles a unique quantity.
LEs were available in three tones just; Azzuro azure (blue/purple), Brilliant gold and Rosso Red (Burgundy). The Azzuro blue colored vehicles was included with a grey checked cloth internal, the silver your with black colored checked fabric plus the Rosso Red with biscuit/cream inspected cloth.
1991 Mercedes-Benz 180 Age Brief Edition (Australia)
LEs had been designed with extra features that were choices on the other products and are just readily available using 1.8- or 2.0-litre engine. Both the 1.8- and 2.0-litre products are built with a regular electric tilt and slide metal sunroof, four electric windows, electric aerial, 8-hole alloy wheels, Blaupunkt Verona CR43 Radio/cassette and walnut lumber trim (unlike Zebrano wood). The 2.0-litre-engined variation had furthermore backside headrests and a front armrest. The LE had been almost 3500 less expensive than a non-LE 1.8 car of identical specification, and 2000 inexpensive for a 2.0-litre.
No longer options might be added to LE vehicles through the factory - although some are loaded with more dealer-installed things.
In Australian Continent, a small run of 180 age brief version automobiles could possibly be bought from October 1991 to March 1994. This was basically a 1.8-litre 190 E with most standard trim. At introduction, Mercedes-Benz were able to amount the 180 age at A,450, when compared to 190 age at A,200. This was attained by taking out fully products also by offsetting import obligations with the today discontinued rules of export credits gained through using Australian-made components for your Mercedes-Benz range, such suspension springs and windscreen cup. The 180 age removed anti-lock brake system, energy windows, climate control, electric seating, heated mirrors, cruise control and multi-speaker audio system; although power steering, air cooling and main locking stayed standard.
In 1993, for U.S. markets, 2 LE products had been provided, restricted to 1400 products (700 190 E 2.3 LE and 700 190 age 2.6 LE). The 2.3 LE was only available in Emerald Green while the 2.6 was only offered in black
The benefit of a limited-slip differential are shown by taking into consideration the case of a typical (or "open") differential in off-roading or snow situations where one wheel starts to fall. When this occurs with a typical differential, the sliding or non-contacting wheel will get a lot of the energy (in the form of low-torque, large rpm rotation), as the contacting wheel will continue to be fixed with regards to the floor. The torque sent by an open differential will be equal at both rims; if a person tire try on a slippery surface, the furnished torque will quickly get over the available grip at an extremely low amounts. For example, the best tire might start to spin when 50lb-ft of torque is placed onto it, as it is on an icy surface. Because the exact same amount of torque is often believed at both wheels, regardless of rate which they were turning, which means the wheel with traction cannot get significantly more than 50lb-ft of torque either, which is much less than is needed to go the vehicle. Meanwhile, the tire on the slippery surface only will spin, absorbing all real energy production (that is a function of torque provided eventually), even though both tires are given the same (low) amount of torque. Inside circumstances, a limited-slip differential prevents higher power from becoming allocated to one wheel, therefore keeps both wheels in driven rotation, ensuring that the grip won't be limited to the wheel which could deal with the minimum level of power. The benefits of LSD in high-power, rear wheel drive vehicles are shown through the United States "Muscle-Car" age from mid 1960s through the very early 1970s. It shortly became obvious that "Muscle-Cars" with LSD or "posi" (positraction) had been at a distinct benefit to their wheel-spinning alternatives.
Within the belated 1970s, Mercedes competed in rallying because of the huge V8-powered Coups regarding the R107 Series, primarily the light-weight Mercedes 450 SLC 5.0. Mercedes wished to take the 190 E rallying, and asked British manufacturing team Cosworth to produce an engine with 320 bhp (239 kW) for the rally automobile. This venture is generally project "WAA' by Cosworth". During this period, the Audi Quattro featuring its all-wheel drive and turbocharger was launched, making the 2.3-16v appear outclassed. With a continued want to participate in high-profile motor sport using 190, also now an engine to do it with, Mercedes considered the Deutsche Tourenwagen Meisterschaft (DTM) (German Touring automobile Championship) motor recreation show instead. Vehicles racing inside championship, but had to be considering a roadgoing design. Mercedes consequently must put in show production a 190 installed with a detuned form of the Cosworth system. This superior design had been referred to as 190 age 2.3-16, and debuted at the Frankfurt automobile Show in September 1983, as a result of its character had already been established. Three cars, best somewhat cosmetically changed, have ready three world registers in August at Nardo testing premises in Italy, recording a combined normal rate of 154.06 mph (247.94 km/h) on the 50,000 kilometer endurance test, and setting up twelve intercontinental stamina files. The Mercedes 190-E Cosworth was also showcased in the 2nd episode in show fifteen associated with preferred vehicle show Top Gear.
The Cosworth motor had been based on the M102 four-cylinder 2.3-litre 8-valve 136 hp (101 kW) device currently suited to the 190- and E-Class show. Cosworth developed the cylinder mind, "applying insights we have learnt from DFV and BDA." It had been created from light alloy using Coscast's special casting procedure and introduced with-it double expense camshafts and four valves per cylinder, meaning 16 valves complete that have been developed becoming the "largest that may almost become fitted to the burning chamber".
In roadgoing trim,the 2.3 L 16-valve system made "185 hp (138 kW) at 6,200 rpm and 174 lb*ft (236 N*m) at 4,500 rpm. The oversquare 95.50 x 80.25 mm bore and stroke dimensions ensuring that they revs effortlessly to the 7000 rpm redline". Speed from 0--100 km/h (62 mph) had been significantly less than eight moments, plus the top speeds ended up being 230 km/h (143 miles per hour).
US-Specification automobiles had a somewhat paid down compression proportion (9.7:1 in the place of 10.5:1), and are rated at 167 hp (125 kW) @ 5800 rpm and 162 lb*ft (220 N*m) @ 4750.
The roadgoing type of the motor ended up being reconfigured with just minimal inlet and exhaust slot dimensions, different camshaft profiles, no dried out sump setup and Bosch K-jetronic changing the specialised Kugelfischer gasoline injections. These changes helped bring energy right down to the desired 185 bhp (138 kW) requirements, but nevertheless triggered a "remarkably versatile system, with an extremely level torque curve and an extensive power musical organization". The heads when it comes to machines are throw at Cosworth's Coscast foundry in Worcester and sent to Germany to be suited to all of those other system, elements of which were distinct from the conventional 2.3 like light pressed alloy pistons, and rings designed to endure higher system speeds, whilst con-rods, bearings and bearing limits are receive is powerful enough as standard and remaining unaltered.
an enlarged 2.5 L motor replaced the 2.3 L in 1988. They supplied double-row time stores to correct the effortlessly snapping solitary chains on early 2.3 engines, and increased peak output by 17 hp (12.5 kW) with hook upsurge in torque. For the European marketplace without catalyst (RF) the automobile delivered 204 bhp (150 kW). Catalyst equipped 2.5-16s produced a slightly paid down 197 bhp (147 kW). Its discussed whether the 2.5 L engine was developed and built by Mercedes or Cosworth. Mercedes are not keen to transmitted the fact that their particular more sporting saloon vehicle have an engine produced by a British providers. However some cylinder minds from 2.5 L cars are stamped because of the Coscast logo design indicating they certainly were cast at Cosworth's foundry just as the 2.3s. Cosworth furthermore listing the venture signal "WAB" for the growth of the 2.5-16-valve head just as they are doing for the 2.3-16-valve mind.
For their overall performance, the 16-valve automobiles are not the same as the other 190 brands. Your body system on the 2.3-16 and 2.5-16 paid down the drag coefficient to 0.32, one of the most affordable CD values on a four-door saloon of the time, though furthermore reducing carry at speeds. The steering proportion ended up being faster additionally the tyre smaller compared to that on other 190s, whilst the fuel tank ended up being enlarged from 55 to 70 L. The Getrag 5-speed handbook gearbox was special toward 16-valve and featured a 'racing' equipment design with 'dog-leg' earliest equipment, remaining and straight down from natural. This intended that staying second, 3rd, 4th and 5th gears had been in a simple H pattern allowing easily choice. The gearchange quality was, but noted as "notchy, baulky", criticisms which weren't levelled on BMW M3 (E30) which shared similar gearbox. The structure can also be unusual because the driver engages reverse by shifting remaining and up from basic, as for first gear in a regular pattern. This was demonstrated in a Top Gear episode (S15E02) in which James might took a 190 age 2.3-16 Cosworth and repeatedly confused reverse and earliest equipment. An oil cooler had been fitted to guaranteed adequate oils air conditioning for the unavoidable track incorporate many of these vehicles are destined for.
The strictly four-seater inside had Recaro activities seating with strong part bolsters for front and rear guests. 3 extra dials - an oil temperatures measure, stopwatch and voltmeter - are included in the center system. The 190 age 2.3-16 ended up being obtainable in just two tints, Blue-Black metallic (Pearl Ebony within the US), and Smoke Silver. The 2.5-16 added Almandine Red and Astral Silver.
All 2.3-16-valve 190 versions become installed with a small slide Differential (LSD) as traditional. These people were in addition readily available with Mercedes' ASD program that was standard gear on the 2.5-16v. The ASD is an electronically controlled, hydraulically locking differential which triggers automatically when required. The electric controls permits diverse amounts of differential lock from standard 15% right up to 100percent. It is not a traction controls system however, and certainly will just optimize traction in place of prevent wheel spin. Activation associated with ASD system was indicated by an illuminating emerald triangle in the speedometer.
The suspension on 16-valve brands is extremely not the same as the typical 190 (W201). As well as being reduced and stiffer, this has quicker dampers, bigger anti-roll bars, difficult bushings and hydraulic Self-levelling suspension (SLS) on the backside. This allows the rear trip level to remain constant even when the vehicle try totally loaded.
At the inauguration associated with the new, faster Nrburgring in 1984, a competition with identical automobiles happened, with former and existing F1 pilots within wheel. A then as yet not known Ayrton Senna took first place.
Exclusive groups like AMG later joined the 2.3-16 in touring vehicles events, especially the DTM. Within the belated 1980s, the 2.5-16 (never released in america) raced many times, resistant to the close BMW M3 plus the turbocharged Ford Sierra RS Cosworth.
2.5-16 Advancement II
Using first regarding the BMW M3 athletics advancement, Mercedes' direct rival, it became obvious that the 2.5-16 needed a lift when it comes to circuit. In March 1989, the 190 E 2.5-16 Evolution premiered at the Geneva automobile tv show. The Evo we, as it had become known as, had a new spoiler and wider wheel arches. Most changes were made to under-the-skin components including brakes and suspension. There clearly was a full SLS suspension enabling vehicle trip height to be adjusted from an interior switch. All had been meant to enable the development cars is even more effective round a track.
The Evo I's production is similar to the 202 bhp (151 kW) for the "regular" 2.5-16. Nonetheless this automobile had a redesigned system of similar capacity but, most importantly, a shorter swing and bigger bore which will enable an increased rev restriction and improved top-end energy capabilities. Further adjustment stretch to "rotating masses lightened, lubrication enhanced and cam time modified". Cosworth additionally set a project code "WAC" the improvement the short-stroke Evolution system.
Just 502 devices of the development model are created for homologation in compliance with DTM rules. For the people consumers desiring a lot more performance, a PowerPack choice engineered by AMG ended up being readily available for DM 18,000. The PowerPack choice included hotter camshafts, a bigger diameter throttle human anatomy, considerably intense ignition and gasoline management including optimization regarding the intake and fatigue systems. The net outcome was yet another 30 bhp (22 kW).
In March 1990, during the Geneva Auto tv show, the 190 age 2.5-16 Evolution II is revealed. Using popularity of initial Evolution design, this model's 502-unit manufacturing was already sold before it had been launched. This automobile retailed in 1990 for USD ,000.
The "Evo II" included the AMG PowerPack suited to exactly the same short-stroke 2.5 engine whilst the advancement, as well as the full SLS suspension permitting automobile trip level is adjusted from an inside change. A clear adjustment toward Evolution II was a radical system kit (designed by Prof. Richard Eppler through the institution of Stuttgart) with a big adjustable rear wing, rear window spoiler, and advancement II 17-inch tires. The system offered an aerodynamic purpose---it ended up being wind tunnel tested to reduce drag to 0.29, while simultaneously increasing downforce. Duration anecdotes describe BMW study and developing chief, Wolfgang Reitzle, saying "the regulations of aerodynamics must certanly be different between Munich and Stuttgart; if that back wing work, we'll must renovate our wind tunnel." The anecdote promises that BMW did.
As previously mentioned 500 were built in "blauschwarz" blue/black metallic. But the last two, numbers 501 and 502 are produced in astral silver.