When to replace timing chain on Mercedes R107?
The timing chain and the various components (guide rails, tensioning rail, chain tensioner) wear out after 100,000 miles and should be replaced. The sprockets should also be replaced. The chains can stretch but they also wear.
Why is my Mercedes 560 timing chain not replacing?
These nylon guides are a well known problem with Mercedes if you do not replace them at their recommended service interval. Most often times it is the left drivers side inboard guide that will become brittle, fracture and then often times fall into the chain path.
When does the timing chain need to be replaced?
A timing belt typically needs to be replaced between 40,000 and 100,000 miles depending on the vehicle. It’s a few hundred dollar repair. A timing chain doesn’t need to be replaced unless there is a problem with it.
When to replace timing chain on Mercedes B200 Turbo?
Timing chain tend to stretch in certain models more than others, and also depending on frequency of maintenance. Please see this video of my B200 Turbo. It’s done only 73k miles. After replacing the timing chain on this B200 the engine fires up a lot quicker and runs a lot quieter and smoother.
Why is the timing chain on my Mercedes 380SL not working?
In the early days, the condition intensified due in part to Mercedes wanting to lighten the valve train, as M-B reduced the timing chain width by about half with the introduction of the 380SL. This design flaw increased the failure rate of the chains, which had a direct impact on warranty. Mercedes phased the double width timing chain back.
The timing chain and the various components (guide rails, tensioning rail, chain tensioner) wear out after 100,000 miles and should be replaced. The sprockets should also be replaced. The chains can stretch but they also wear.
Why do timing belts need to be replaced?
Timing belts are far more susceptible to breaking but chains can stretch leading to other issues. In many examples there are unacceptable degrees of chain slack and worn or broken guides. These need to be replaced. Neglecting the chain can lead to catastrophic results.
How to renew the chain in a Mercedes Benz?
The plastic chain guides, sprockets, pins, tensioner and chain can all be renewed through the valve covers, leaving the engine in place. Here is a simple step by step showing my first time through the process that hopefully shows you can do it without error. Loading…