transmission won't shift

2001 MERCEDES BENZ S500
138,000 MILES
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ANONYMOUS
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My car drove fine to work. When I went on lunch it wouldn't change out of first gear. What could that be?
Feb 12, 2013 at 8:16 PM
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WRENCHTOSS
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You would need to have the Gearbox codes read to help diagnostics if you check the trans module for codes and it wont reset you could have a bad module or valve body depends on the code..
May 21, 2013 at 7:33 PM