I wrongly put postive and negative battery to jump and all ets , brake, abs light comes on.....the steering wheel stiffer. ....what do I have to check

10

Asked by Nov 25, 2014 at 01:01 PM about the 1996 Mercedes-Benz S-Class S 320 LWB

Question type: Maintenance & Repair

6 Answers

5,075

Interesting.... That means you accidentally hooked up the batteries in series and put up to 24 volts through your car's system. As a guess your car probably has a bunch of safety measures to prevent any damage. Have you tried just disconnecting your battery for about 15 minutes to see if everything resets?

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10

Am doing it right now.......finger cross.....what will be a worst case scenario?

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5,075

Since you didn't mention anything about the car not running, the worst case is you're right back where you started from and need to clear the codes. Good luck

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10

I tried it .....still the same.....any other options?

10

Car is running good drove it from work to home......it just the steering wheel and speedometer not working.

5,075

Sorry, I'm at a loss other than getting a OBD II scanner which should work on cars from '96 to the present.

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