I'm replacing the radiator on 1997 mercedes E420 and while I have it out it looks like surpentine belt would be easy to change just not sure how to do it ?

See diagram posted on radiator housing or download picture from internet site.

Use wrench, or hand, to pull/push slack adjuster away from old belt.
Place new belt around all pulleys except the slack adjuster
Pull slack adjuster to slack position and place belt onto it.

Mine is so easy to move that I can move it w/o any tools just with my hand.

if you look under your hood, on your radiator top support, there should be a diagram there, or on the under side of your hood, look around under your hood, all cars have this diagram posted somewhere

Couple of reasons. You may need to have the Radiator backflushed to remove sediment. You also have an Electric cooling fan which may be malfunctioning. They (fans) often have more than 1 speed and high speed may be broken so it can not keep up with extreme heat.

Some fans use more than 1 relay to switch the fans and the second stage relay may be bad.

Overall, the A/C coil is placed in front of the Radiator and depends on airflow to function. This makes the air available to the Radiator much hotter so the Radiator is having a hard time cooling the engine. The Electric radiator fans kick up the airflow to help both systems out.

A dirty radiator, old antifreeze, etc. can affect performance.

I hope my solution is helpful. Radiator shops can service most Brands.

The two can't be related. Starter may just be goin out

the blower motor for the heat and air conditioner is located underneath the glove box on the 97 e420
behind a plastic panel. it's easy to get to, but more than likely its the blower regulator thats defective
there is a solution to this problem without having to replace the whole unit which can cost up to $800.00. there is an s-class regulator that you put on the fan motor that will make it blow simply by
splicing a few wires. there is a company in cal. that sells the regulator for under $100. bucks can't
think of it right now but look up the regulator for e420 and you may get redirected to the site. drmack

Trouble code P1519 - Adjustable Camshaft Timing Solenoid

Go to the dealer and they might help you break the code for free. ask them if they are going to charge money though! because they are such a rip off.

You could have a hose leak or the plastic tank for the radiator has a crack in it. Take it to the Radiator Shop and have them do a pressure test, they should fbe able to find the leak with ease.

It's under the back seat.

hello,if your engine is 119,,firing order 15486372, hoping it"s help you,ty