# 2013 Mercedes-Benz Sprinter CEL on **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** mercedes-benz\ **Created:** [March 17, 2018, 1:01am UTC](https://community.cartalk.com/t/2013-mercedes-benz-sprinter-cel-on/113856 "2018-03-17T01:01:31Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![peter29](https://avatars.discourse-cdn.com/v4/letter/p/e99b99/32.png) [@peter29](https://community.cartalk.com/u/peter29)\ **Post date:** [March 17, 2018, 1:01am UTC](https://community.cartalk.com/t/2013-mercedes-benz-sprinter-cel-on/113856/1 "2018-03-17T01:01:31Z")
2013 M B sprinter 3500 D E F and check engine light on will no t erase D E F topted off but light remains on ---
**Author:** ![Nevada\_545](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/nevada_545/32/41232_2.png) [@Nevada\_545](https://community.cartalk.com/u/Nevada_545)\ **Post date:** [March 18, 2018, 5:36am UTC](https://community.cartalk.com/t/2013-mercedes-benz-sprinter-cel-on/113856/2 "2018-03-18T05:36:01Z")
> [@peter29](#): > > will no t erase D E F topted off but light remains on Are you certain the check engine light is on because the computer detects a diesel exhaust fluid problem? I suspect there is an unrelated fault detected. Post the fault code stored in the computer. ---
**Author:** ![lion9car](https://avatars.discourse-cdn.com/v4/letter/l/59ef9b/32.png) [@lion9car](https://community.cartalk.com/u/lion9car)\ **Post date:** [March 18, 2018, 8:40pm UTC](https://community.cartalk.com/t/2013-mercedes-benz-sprinter-cel-on/113856/3 "2018-03-18T20:40:01Z")
When the check-engine light is on, the first step is to have the stored codes read. In most states, auto parts stores will do this for free.