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#MERCEDES 2005 C230 KOMPRESSOR AIR FILTERS INSTALL INSTALL#

The DIY cost to change the Mercedes-Benz drive belt tensioner ranges between $50-$120, even if you have to buy the tools needed for this job and a new serpentine belt. Local repair shops will charge between $280-$450. The average price to change the belt tensioner at the dealer ranges from $400-$650. The procedure is the same for many engines, including M112, M113, and M273. This guide applies to the majority of Mercedes-Benz cars. It requires a few basic tools and approximately thirty minutes. Replacing the drive belt tensioner on the Mercedes-Benz engine is relatively easy. When this happens, you normally hear noise from the front of the engine. The tensioner pulley bearing may also fail. The drive belt will come off the various pulleys, possibly causing damage. If not replaced on time, it can fail while the engine is running. Over time the tensioner pulley can start to crack.

Start the engine and ensure the belt and tensioner are working properly.

Put pressure on the tensioner’s 17mm head to move the tensioner up and remove the locking pin.

If the belt does not reach, ensure it is not sitting on top of one of the pulleys. Make sure it is routed on all the pulleys properly.

Typical torque for the tensioner bolts ranges between 25Nm to 35 Nm. Torque the tensioner bolts to the recommended manufacturer specifications.Start threading the tensioner bolts by hand until a few threads have gone in.

#MERCEDES 2005 C230 KOMPRESSOR AIR FILTERS INSTALL INSTALL#

Install the new timing belt tensioner.

Remove the upper bolt from the shock to disconnect it from the engine block.

Some models also have a shock attached to the tensioner.

Remove the top Torx bolt using an E12 Torx socket and a 2″ extension.

Slide the drive v poly belt away from the tensioner.

Do not use any item made of plastic as a pin.

The pin needs to be strong enough to withhold shear force. A 5mm Allen wrench or bolt can be used as a pin.

Insert a metal pin in the tensioner hole to keep the tensioner up.Use a 17mm socket to move the tensioner up (service) position.Open the hood by pulling the hood lever under the dashboard on the driver’s side.Park, the Mercedes-Benz, set the parking brakes and allow the engine to cool down.It is ok to reuse the old belt if it does not show wear, cracking, degradation, or drying. While it is not required to replace the drive belt, it makes sense to replace it simultaneously as the tensioner.