2007 Mercedes-Benz E320 BLUETEC Q&A
2007 Mercedes-Benz E320 BLUETEC Question: Did rear end collision cause damage to TCU?
possibly it did - your.mechanic
You can have the symptom diagnosed by mercedes benz and if it was caused by the collision then go from there. If not caused by collision then get it fixed before the problem worsens and it turns into a Hyundai. - ziptie12