97 E 320 ABS ETS light On Tranny in Limp

[E-Class Owner]

and you should consider yourself very lucky, as it could have been much worse.

For parts, I would start with Ron at Germanstar: Mercedes Benz Parts, Mercedes Parts, Accessories

BTW, what happened to the PO720 code? Hmmm.

Ohlord deserves some credit on this one, he zeroed in on the tire issue.

Glad you took the advice form here, got the tires squared away and got the car to a professional to get it sorted out. There is a tutorial for the brake light switch in the "stickies" at the top of the page I believe, and the ABS sensor should be pretty straight forward if you are "handy" in the DIY sense...

Also, it would be a good idea to complete your profile, it helps forum members in attempting to assist you with things like parts vendors, etc.

JR

[s491ja]

yes, you are correct. I cleared the PO720 once again with the OBD II and this time the PO720 did not return. I have a gut feeling that time had something to do with it. Let's just call it a miracle.

Yes having new tires gives one a piece of mind. BTW can I get the alignment done at a Midas or do I need a foriegn shop to do it? What do expect to pay?

Germanstar does not carry the wheel speed sensor, I will google.

Yes, I will get my Profile updated.

Thanks JR and ohlord!

[E-Class Owner]

Duval Motorcars, they are a dealer: 352-332-7571

JR

[ohlord]

Brake system faults will trigger limp mode in some cases,start there.The issue that appeared after rotation---do you have staggered sized tires on the car?Are the tires the same height?
Pat on the back
now go to a car wash and spray some brake cleaner all over and in the caliper and pad area then power wash it off and see if that clears the other warnings.Sometimes abs fault warnings show if a lot of brake dust and debris are in the works.Worth a try.How are the pads?
ohlord
Auto Parts at AutohausAZ - OEM Auto Parts - Discount Replacement Parts, Resources and Car Care Tips
or germanstar.net will quote the sensor if cleaning it gets no results.They also have the switch.

[s491ja]

Thanks, I will try these parts stores. Mmm the brake pads look good all around. I will try the cleaning as well. Stand by for more....JA

[s491ja]

Ok, I bought the VSS and Brake light switch from http://www.germanimportedparts.com . Sensor cost around $114 and switch was $17. I installed VSS and the ABS ETS lights did not come back on. I drove forward and when hit the brakes the ABS ETS lights came on. I changed out the Brake switch and tried moving forward and braking and the lights came on. I took the switch off and drove it manually activating the brake switch with my hand and the lights did not come on. I reinstalled the switch and the lights have not come back on. Wierd, personally I think it was either a loose connection on the switch or the VSS had some residual WD40 that I had used to clean the location where it is installed. Nonetheless, I am so happy it is all working now, no ABS, ETS lights and no limp home mode!

Signed Happy Mercedes Camper

[s491ja]

BTY the local MB's wanted approximately $240 for these parts. Also the parts I bought are OE.

ja