Actual gains are dependent on the following: Learn More. Model — Manufacturers use the same engine in multiple model vehicles and often times they are in a different state of tune, for example: C63 and a CLK Black Series. Both have the same engine, but the C63 has hp while the CLK63 has hp. Naturally the C63 will show more gains as it starts at a lower level.

The engines remain largely unaltered and as a result, final tuned output remains the same, while the gains are lower as the starting point is now higher.

Top tier brand premium fuels should always be used to achieve the best results possible. Drivetrain — All wheel drive has higher drivetrain losses than rear wheel drive. This results in lower numbers when testing on a chassis dyno.

Heat, high humidity, and thin air will all work towards reducing engine output.

m157 oil leak

Engine Health — Higher miles tends to result in increased build up and lower compression which can and will impact engine output. Properly maintained engines will have better performance than abused or neglected engines.

Supporting modifications — The highest power levels require supporting modifications. Some Weistec Engineering performance upgrades may solely be used on vehicles in sanctioned competition which may never be used upon a public road or highway, unless permitted by specific regulatory exemptions such as a CARB E. For state specific details please visit the following website. The purchaser must arrange to return the product s for a full refund.

Weistec Engineering holds no responsibility either implied or otherwise for mechanical, electrical or other failure when using any aftermarket performance products. This product can expose you to chemicals including carbon black, silica - crystalline, formaldehyde, and lead which are known to the State of California to cause cancer, and lead, which is known to the State of California to cause birth defects or other reproductive harm.

For more information go to www. Hundreds of vehicles around the world have made the jump to the Weistec M W. OEM appearance and reliably make the W. We have developed proprietary aerodynamics designed to optimize extreme pressure operation of the M The results are astonishing gains resulting in as much as wheel horsepower. Constructed of billet aluminum, our larger impeller wheel is 5-axis CNC machined and flows signifigantly more air.

The light weight impeller design and latest machining technology results in very short spool up times and great overall power. No custom oil and water lines to leak, no headaches. Every factory line connects right to the new turbo, using factory gaskets.

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Actual gains are dependent on the following: Learn More Model — Manufacturers use the same engine in multiple model vehicles and often times they are in a different state of tune, for example: C63 and a CLK Black Series. Heat, high humidity, and thin air will all work towards reducing engine output Engine Health — Higher miles tends to result in increased build up and lower compression which can and will impact engine output.The 5.

The replacement is slated to be the internally codenamed M, a 4. Essentially a twin-turbocharged and direct-injected variant of the older 5.

The only exception is the all-new Mercedes-AMG C63, which is the first "63" variant to get the new 4. Afterwards it was rolled out on pretty much every large Mercedes-AMG model in the lineup. Even though it offers more torque and much better fuel economy than the now-legendary M 6. The last all-new model to get the 5. Every large AMG model introduced after that will get the 4. Unlike the engine it replaces, the new 4. With that being said, it does share some design features with the current four-cylinder engine lineup used by Mercedes-Benz.

Since the powerplant is essentially two inline-four cylinders bonded to form a V-8 — with the intake runners on the outside and the exhaust-mounted turbochargers sitting inside the cylinder V — it offers a much better throttle response and improved fuel economy compared with the 5.

The new engine is so good, actually, that even non-AMG Mercedes-Benz models will be getting a version of it when the E-Class is launched next year. Source: Autocar. Mercedes Will Drop Its 5. Alex Oagana. Read More. What do you think? Car Finder:. Mercedes GLE-Class. Competing Vehicles. Active filters:. About US. Contact Us. Automotive journalist job.A car engine uses motor oil to lubricate the internal moving parts of the engine such as crankshaft, rod bearings, pistons and valve train.

This oil is controlled from leaking out of main engine parts by using a series of covers, gaskets and seals. There are two kinds of oil leaks, pressurized and non-pressurized. Non-pressurized leaks tend to be less aggressive while pressurized leaks can be extreme.

If an oil leak is not obvious clean the engine with a strong detergent. Then run the engine for a short time and recheck the engine using a flashlight. When inspecting for oil leaks start at the top of the engine and work down as oil will travel downward before collecting into a drip at the bottom of the engine. As the engine ages its gasket and seals will become hard and crack due to heat.

m157 oil leak

This will allow oil to leak out and onto the ground or onto the exhaust system where it is burned creating smoke from under the hood. These kinds of oil leaks can be smelt from the air conditioner or heater vents. If the seal on the oil filter or the casing on the oil pressure sender fail pressurized oil will be forced from the engine while it runs. These kinds of leaks can drain an engine in a short amount of time. In most cases you will need to jack the car up and support it on jack stands to get under the car.

Use a flashlight, protective eyewear and gloves. The oil fill cap is used to add oil to the engine and is usually located on a valve cover.

Check your engine oil level

If this cap becomes loose or seal is broken or has failed to be reinstalled correctly after adding oil it will cause a leak. Check for leakage around the cap and tighten replace or reinstall the cap as needed. The oil filter is used to remove carbon and other impurities created by the combustion process. This filter is subject to oil pressure supplied by the oil pump and will leak if the filter is loose or the seal from the old oil filter is still on the block which can surface well after the oil change has been done.

Use a flashlight check the oil filter for a leak and remove or tighten the filter and recheck. Wipe the area clean and recheck the leak after a short time.Do you enjoy oil stains in your driveway and constantly having to pour more oil into your engine every month? We didn't think so. Here are a few of the common causes of oil leaks on modern Mercedes-Benz engines and how to service them. Not all oil leaks are created equal. Some leaks plague certain engines more than others, so it's important to diagnose where your engine is leaking from before you dive into replacing every gasket and seal you can get your gloves on.

One pro-tip is to clean off any surface you suspect is leaking oil using a brake cleaner and a rag. After the surface is clean, drive the car for a few hundred miles and check back on the area. The oil separator is held onto the back of bank 1 passenger side with either 4 torx bolts or 4 external torx bolts. Remove the oil separator, replace, and clean the oil residue from the engine. The plugs will pop out with a screw driver and the new ones can be pushed on by hand.

Be sure that they're pushed in flush with the engine as improper seating will result in, you guessed it, an oil leak. The driver's side front of the engine is where you will find your oil filter and housing. If you see oil at the bottom of the housing, you may need a new oil filter housing and cooler gaskets. The process of replacing these gasket is super easy:.

If your timing cover plug is leaking, it's likely due to a bad seal. Luckily, replacement could not be easier:. We hope this article was helpful in helping solve your Mercedes-Benz oil leak woes. Check out the link below to get the seals and gaskets used in this article, as well as other parts for your Mercedes-Benz. He currently owns a BMW X5 3. During the week he spends his time in the shop fixing BMWs and likes fresh water fishing on the weekends.

There was a time when the engineers at Porsche were commissioned to build a W Mercedes-Benz. This factory widebodied, V8 powered E was the result Read More. The differential is an often overlooked component on vehicles that requires regular maintenance.

Something as simple as regular fluid flushes can keep your differential functioning optimally for the If you're finding oil spots underneath your Mercedes-Benz, don't panic—it's probably not from your valve covers or oil pan. It's most likely your oil cooler gasket that is extremely easy to replace.

The power steering fluid reservoir on Mercedes-Benz models with the M, M, and MK engines feature an integrated filter. Over time, this filter can become clogged and cause problems with your It distributes hot or cold air through the ventilation system of your car. If you're experiencing There's a lot to consider after graduation—where you're going to work, where you're going to live, what your friends are up to, and much, much more.Collapsible Type. This brand is a very high quality upgrade over the original equipment.

Superior fit and finish, machined from aircraft aluminum bar stock in two solid pieces. Please wait while we find related articles All Search Everything. May Qualify for Free Shipping. This part is included in the kit:.

Product Info. Ask us about this part. Quantity in Stock:. Associated Part Numbers:, Clutch Release Bearing. Flywheel Bolt - Crankshaft to Flywheel. Flywheel Lock. Fuel Tank Strainer. Gasket for Intermediate Shaft Cover Plate. Headlamp Rim Seal Left or Right. High quality part made it much easier to install. Pre-assembled, put the long side into the head and use wood block to tap other side in.

You can't destroy it. The car had an old set of expandable oil return tubes installed that over time began to leak. The old o-ring seals look ok but the snap ring keeping the return tubes expanded became brittle and stopped working causing the leak. The aircraft aluminum bar stock expandable oil return tube kit feature much heavier duty tubes and a more positive snap ring and groove for keeping the tubes expanded.

These new tubes are much better constructed than the previous tubes. I anticipate these tubes to last at least twice as long as the previous tubes. Excellent product, would highly recommend. Solid and well madethey cost more than the others but the build quality is worth the cost. Easy to install and well made. This thing looks so nice, it's almost a shame to hide under the engine.

But these, the bit of extra money is worth it!

m157 oil leak

Beautifully made, top quality components that compliment the engine. I installed these in about 2 hours without having to remove the exhaust system. Engine is totally leak-free now. Highly recommended Porsche View part M in this catalog. Porsche L View part M in this catalog.

Porsche S View part M in this catalog.We aim to provide an accurate and fairly priced service. We do not shy away from the faults that other garages just simply cannot fix! When you bring your vehicle to PSC Autocentre you can expect quality service at a competitive price from our friendly, local and experienced team.

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m157 oil leak

Take advantage of 35 years of servicing experience from highly-trained technicians. Time: Loading No times available. Please select a date. Add to Cart. Related Items. Courtesy Car. Diagnostic Computer Scan. E63 AMG W - 5. Recently Viewed Items.

Subscribe Sign up to get the latest on sales, latestt service and maintance product releases and more …. We're open for business Online bookings are now open on our website for our full range of services from Thurs 16th - Tues 21st April as we temporarily open our doors to support our local community.

Learn More.Your tabby cat crawls into your lap, purring. Nice, but there's a huge patch of smelly, slimy, oily goo covering most of its back. Backtracking oily little catprints leads you into the garage, where a pool of oleaginous fluid has mysteriously stained the concrete floor.

What is it and exactly what part of your car is oozing it? Time to put the cat down and get under the car. But there's leakage all over the engine compartment, and even a distinct pattern of windblown drops freckling the trunklid. Where's it coming from? Begin by finding out what kind of oil is leaking. You can usually determine the color by putting a few drops on a sheet of white paper. Normally, engine oil turns black. Automatic transmission and power steering fluid is red but may discolor to brown or even be so dark that you can't tell it from engine oil.

Washer fluid is blue and antifreeze is, well, it could be green, gold, orange, brown or blue, depending on the supplier. Feel the fluid. If it's very oily, it's lubricant.

Antifreeze may have a light oiliness. Your initial analysis points to oil, but you're not sure about the color or where it's coming from. Start pulling dipsticks.

Mercedes M157 AMG engine reliability

The power steering reservoir is a good place to start if the oil seems reddish. If the reservoir is topped up, and the leak is at the front, check the automatic transmission cooler lines, particularly if they have sections of rubber hose with clamps. Clean the suspected area thoroughly and dry it. Coat liberally with powder to locate seepage. If the oil is definitely black and the drops are directly under the engine, it's engine oil, which is the most common leak.

But, once again, you're faced with that same question: Where is it coming from? A slow leak follows ribs on the engine block, is blown along the top of gasket joints, and oil gets everywhere. Put a lot of light in the engine compartment and take a look. You might get lucky and see the source.

But unless you're sure, don't replace anything yet. A lot of gaskets are not only tough to replace, but they have sophisticated designs that are anything but cheap. It would be a shame to waste a day replacing a costly gasket and still have the leak.

Oil also may be seeping past a worn crankshaft or camshaft seal. The rubber lip that seals to the rotating shaft will eventually wear to the point at which the tension in the garter spring won't keep oil from leaking. This type of seal will only leak when the engine is running--and when it does oil will spray everywhere from the spinning shaft.


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