steering "rack" for 97 E420
 

just picked up car from local dealership for lifter maintenance - 97 E420 with 90M on it - was told there was groaning coming from power steering - their suggestion - a complete rebuild of steering components ("rack") to the tune of $2300. Does this sound correct??

I did not think Mercedes started using rack and pinion steering until the W203 came out. And also the W211 E-Class. I thought they still used the old recirc ball til just a few years ago!

Time flies... first rack 1996 210 chassis.

I just replaced the rack on my Acura Legend, because I got it for free :P. The dealer wanted $1600 Canadian, but if you go aftermarket you should be able to get it for 1/4 of that price. I love the new one that I have. It works so great. There is a huge difference in so many respects. Here is the link to the one I have:

http://www.fencoparts.com/index2.htm

Good Luck!

Thank you much sir. For some reason I thought the W203 had the first rack! I sit and post corrected!:D:D

Are you low and power steering fluid .which would point to a leak somewhere
in the system?? Or can you hear more like a squeeling/rubber type noise from the firewall area /l/front underdash which would indicate a dry steering column boot .
There is also a modification available for a groaning type noise from the steering control head when turning ,depends on serial number of vehicle.

This is why they're nicknamed "stealerships". Any time you hear "rebuild everything for many thousands $" put both hands on your wallet and run away. Quickly.

Zero diagnosis, replace many parts. For all they know, the groaning could be coming from the radio.

Just re-read your post. Do YOU hear this groaning? They may just smell money.

Think adjustments first. Think maybe ball joints IF you can isolate the groan. Think listening for the noise while you're under the car and find it before throwing many, many $ down a rathole.

I'm getting a groaning on my certified c230 as well, and they claimed they topped off the fluid. The fluid was not low, and the groan is still there. Maybe they are avoiding costly steering repairs?

Many times the "groaning" on the later P/S systems can be reduced with BG power steering treatment. I know that 75% of the time it will reduce OR erase the noise.

A plugged PS filter will also cause a groan. Problem is there is no replacable filter on that system. There might be one inside the pump reservoir though. If thats it I don't know how to handle it.