When do you replace the serpentine belt on a Mercedes?
Continue reading to avoid this by learning how to replace the serpentine belt on your Mercedes-Benz E-Class or C-Class. This article applies to the Mercedes-Benz E-Class and C-Class (2002-2014).
How do you tighten a serpentine belt on a car?
If your vehicle does not have an auto tensioner, insert a pry bar or piece of wood between the alternator and the engine. Run the belt over the alternator pulley, then use the bar to pry the alternator away from the engine and increase the tension on the belt. Tighten the bolts again as you apply tension.
What happens if a serpentine belt goes bad?
The serpentine belt in most modern vehicles transfers power from the crank pulley to the various accessories mounted on the engine. A worn or damaged serpentine belt can fail to adequately transfer the power, leaving your alternator, power steering, and air conditioning failing to function.
What kind of pulley does a serpentine belt use?
Determine if there is a belt tensioner pulley. Depending on the application, your serpentine belt will either have tension placed on it using a movable bracket or an auto tensioner pulley. This pulley uses an internal spring to apply consistent pressure to the belt at all times.
How do you replace the serpentine belt on a Mercedes C class?
There is one clip holding the hose to the radiator support. It must be turned 90 degrees. There are also two clips holding the hose to the elbow. Pry these clips up to unlock them, and then pull the hose towards the front of the engine. Figure 7. The arrows point to the clips holding the intake hose. You will now need to loosen two hose clamps.
Can you change the belt on a Mercedes ML350?
It is possible to change the belt without using a locking pin. Take a picture of the belt routing before you remove the belt. Do not use the Secure Torx bolt to release the tensioner. If you have a turbo intake pipe, remove it to access the tensioner. The original belt can possibly last up to 100k miles.
How do you remove tension from a serpentine belt?
Turning the tensioner counterclockwise to remove tension from the belt. Begin by routing the serpentine belt in the correct path around the pulleys. Make sure the last pulley you will be sliding the belt onto does not have raised edges; otherwise, it will be difficult to slide on.
Where is the serpentine belt tensioner on the M271?
The serpentine belt tensioner on the M271. The green circle indicates the T55 slot to move the tensioner. The 272 will require you to remove the front engine cover. Simply pull forward and up to detach it. You will hear the four plastic clips on the bottom side of the cover pop free.
Continue reading to avoid this by learning how to replace the serpentine belt on your Mercedes-Benz E-Class or C-Class. This article applies to the Mercedes-Benz E-Class and C-Class (2002-2014).
Do you need to schedule service for your Mercedes Benz?
Following the manufacturer guidelines specific to your vehicle helps give the peace of mind that you’re running at peak performance, extending the life of your vehicle, and preventing major costly repairs down the road. For your convenience, you can call or schedule your service online based on your schedule, not ours.
How many miles should a Mercedes Benz be serviced?
Here is the list of the recommended services / checks as suggested by the Mercedes Benz. Service at 10,000 miles /16,000 km or 1 year. Service at 20,000 miles / 32,000 km or 2 year.
What should I do for my Mercedes Benz?
Here is the list of the recommended services / checks as suggested by the Mercedes Benz. Check water drain in air/water duct for obstructions. Clean if needed. Evacuate and fill up DEF. Engine 642
Where can I find a serpentine belt routing diagram?
Select the specific year and make of your vehicle. Take note of the Illustration number and then Scroll to the bottom of the page to find your Free Serpentine Belt Routing Diagram. What’s that squeal coming from under the hood?
What kind of nut does a serpentine belt use?
Small punch, cotter pin, rivet, carpentry nail etc. There are two styles of serpentine belt tensioners. The earlier (112,113 engines) style has an E10 bolt, while the newer (272,273 engines) uses a 17mm nut for adjustment.
Turning the tensioner counterclockwise to remove tension from the belt. Begin by routing the serpentine belt in the correct path around the pulleys. Make sure the last pulley you will be sliding the belt onto does not have raised edges; otherwise, it will be difficult to slide on.
The serpentine belt tensioner on the M271. The green circle indicates the T55 slot to move the tensioner. The 272 will require you to remove the front engine cover. Simply pull forward and up to detach it. You will hear the four plastic clips on the bottom side of the cover pop free.
Small punch, cotter pin, rivet, carpentry nail etc. There are two styles of serpentine belt tensioners. The earlier (112,113 engines) style has an E10 bolt, while the newer (272,273 engines) uses a 17mm nut for adjustment.
Where do I find the serpentine belt routing diagram?
Find the serpentine belt routing diagram. Many cars come with a sticker in the engine bay that shows exactly how the serpentine belt is supposed to be routed through the various pulleys on the engine. If your vehicle does not have a sticker, you will need to find another way to remember how the belt should be run.
How do you remove a serpentine belt from a battery?
Use the appropriate sized wrench or socket to loosen the nut holding the black ground cable on the negative terminal of the battery. Slide the cable off of the terminal and tuck it to the side of the battery. You will not need to disconnect the positive terminal. Locate the serpentine belt.
What’s the best way to replace a serpentine belt?
Auto tensioners have either a hole that will fit a half inch drive ratchet, or a bolt you can use a socket to apply pressure to. Insert the wrench or place the socket over the bolt on the tensioner and twist it away from the belt to relieve the tension on it.
Find the serpentine belt routing diagram. Many cars come with a sticker in the engine bay that shows exactly how the serpentine belt is supposed to be routed through the various pulleys on the engine. If your vehicle does not have a sticker, you will need to find another way to remember how the belt should be run.
The serpentine belt in most modern vehicles transfers power from the crank pulley to the various accessories mounted on the engine. A worn or damaged serpentine belt can fail to adequately transfer the power, leaving your alternator, power steering, and air conditioning failing to function.
How is the tension set on a serpentine belt?
Depending on the application, your serpentine belt will either have tension placed on it using a movable bracket or an auto tensioner pulley. This pulley uses an internal spring to apply consistent pressure to the belt at all times. If your vehicle does not have a tensioner pulley, the alternator bracket is likely how tension is set on the belt.
How do you replace a Mercedes 190E drive belt?
With the fan out of the way, locate and loosen a half turn the 19mm fixing bolt on the belt tensioner. Locate the 13mm adjusting nut between the water and power steering pumps and loosen it. With the nut loosened you can pull up on the belt and remove it from the pulleys. Installation is the reverse of removal.
What happens if the serpentine belt breaks on a Mercedes Benz?
If the belt breaks, your vehicle will drain the battery and the engine will eventually die. Continue reading to avoid this by learning how to replace the serpentine belt on your Mercedes-Benz E-Class or C-Class.
Where do I find the serpentine belt on my car?
To access the serpentine belt, you will need to open the hood of the vehicle. The hood release can usually be found near the door on the driver’s side of the vehicle. With the hood released, you will also need to release the safety latch located at the front of the vehicle.
How to replace a Mercedes 190E drive belt?
Place the Mercedes-Benz tool # 103-0040 (yellow arrow) in between the grooves on the housing and slowly rotate the fan until the tool engages the hole in the back of the pulley. Insert lower right shows what it looks like with the pulley off.
What happens when you wear the serpentine belt?
The serpentine belt powers every accessory on the engine. When it wears, belt slip occurs and it will decreases the A/C, power steering, and charging system performance. Continue reading to find out how to replace the serpentine belt on your Mercedes-Benz C-Class.
What kind of belt does Mercedes Benz M104 use?
The M104 engine uses what is known as a poly-ribbed belt (having many channels or ribs on the underside of the belt). The poly-ribbed belt setup utilizes a spring-loaded belt tensioner pulley that provides the proper tension for the belt at all times, making adjustment unnecessary.
What kind of warranty does a Mercedes Benz have?
Buy with confidence; all Mercedes-Benz Certified Pre-Owned vehicles come with a factory backed warranty, 100 point safety check, comprehensive service history and 24hr roadside assistance. Looking for a used Mercedes-Benz?
What kind of wrench do you need to remove a Mercedes Benz engine?
One tool that you don’t have which is a must for this job is the Mercedes Benz Offset Engine Mount Wrench 16mm. You could technically remove the bolt without this tool but it is much more difficult. The wrench sells for under $20 on Amazon and is well worth it. You will need a new set of engine mounts.
When to replace the serpentine belt on a Mercedes Benz?
Serpentine Belt Replacement. One of the routine maintenance items that you should perform on your Mercedes-Benz is the checking and replacement of your serpentine belt. The belt is driven off of the crankshaft and turns the water pump, fan clutch, alternator, and air conditioning compressor.
The M104 engine uses what is known as a poly-ribbed belt (having many channels or ribs on the underside of the belt). The poly-ribbed belt setup utilizes a spring-loaded belt tensioner pulley that provides the proper tension for the belt at all times, making adjustment unnecessary.
One tool that you don’t have which is a must for this job is the Mercedes Benz Offset Engine Mount Wrench 16mm. You could technically remove the bolt without this tool but it is much more difficult. The wrench sells for under $20 on Amazon and is well worth it. You will need a new set of engine mounts.
How do you remove a serpentine belt from a Mercedes Benz?
Use a 15mm socket to rotate the tensioner pulley clockwise. This will loosen the serpentine belt and allow you to remove the belt from the alternator pulley. In this picture, you are looking down at the ratchet sitting on the tensioner nut. Now remove the old belt.
How to call Pelican parts for a belt replacement?
Followup from the Pelican Staff: With your vehicle info handy, give The Pelican Parts parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need. – Nick at Pelican Parts