There are 2 owner-reported lighting complaints for the 2007 Mercedes-Benz E-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
BOUGHT CAR NEW AND LOVE IT. BUT LAST WEEK THE RIGHT LOW BEAM HEADLIGHT FAILED. I HAD LEFT AND RIGHT H7 STANDARD LOW BEAM HALOGEN BULBS CHANGED SINCE THE FRONT BUMPER HAS TO BE REMOVED. LATER THAT DAY THE NEW LEFT SIDE H7 FAILED. SO MY MECHANIC EXPLAINED THAT THE HELLA LIGHT FIXTURE SEEN IN MB, BMW, ETC.. COMMONLY HAVE PREMATURE DISINTEGRATION OF WIRING INSULATION. THEY PULLED BOTH LIGHT FIXTURES, SHOWING ME THE BARE WIRES INSIDE BOTH FIXTURES. THE MB WIRING HARNESS WAS UNAFFECTED. FOR THE COST OF ABOUT $1200 I REPLACED BOTH HELLA HEADLIGHT FIXTURES. I REVIEWED BMW AND MB FORUMS ONLINE AND IN BOTH THERE ARE SIMILAR DISCUSSIONS ABOUT HELLA WIRE INSULATION FAILURE IN HEADLIGHTS. THIS IS A DANGEROUS AND EXPENSIVE ISSUE. FROM THE FORUMS IT SEEMS THAT FIRES HAVE OCCURRED. IT IS POSSIBLE THAT AUTO ACCIDENTS HAVE HAPPENED WHEN NIGHT LIGHTING HAS FAILED. AT A MINIMUM THERE HAVE BEEN MANY EXPENSIVE REPAIRS THAT SHOULD BE PART OF A RECALL. I DID NOT CONTACT MERCEDES BENZ BECAUSE THIS SEEMS TO BE A GLOBAL PROBLEM WITH A AUTOMOTIVE PARTS SUPPLIER AND NOT SPECIFIC TO MB OR THE E CLASS. *TR
SEVERAL TAIL LAMPS QUIT WORKING. I HAD A WARNING ON THE CAR DISPLAY LISTING NUMEROUS LIGHTS ON THE TRUNK INOPERATIVE. THE LICENSE PLATE LAMP, 3RD BRAKE LIGHT, AND THE AUTO OPEN AND CLOSE OF THE TRUNK WERE INOPERATIVE. ALSO, THE EMERGENCY TRUNK RELEASE FUNCTION INSIDE THE TRUNK WOULD NOT LIGHT UP AND WOULD NOT OPEN THE TRUNK. I SEARCHED A MB WEB FORUM TO SEE IF ANYONE ELSE HAD THE SAME PROBLEM. THERE ARE NUMEROUS CARS FROM SEVERAL YEAR GROUPS THAT ARE HAVING THE SAME PROBLEM. I TRACED THE PROBLEM TO 1 BROKEN WIRE IN A WIRING BUNDLE ATTACHED TO THE LEFT HINGE OF THE TRUNK. IT APPEARS THAT THE DESIGN AND PLACEMENT OF THIS WIRING BUNDLE IS CAUSING THE WIRING BUNDLE TO FLEX AND OVER TIME, WITH THE OPENING AND CLOSING OF THE TRUNK, THE WIRES ARE BREAKING. SINCE I HAD REDUCED CAPABILITY IN BRAKE LIGHTS, I ACCOMPLISHED THE FIX MYSELF TO REPAIR THE BROKEN WIRE. THIS FIX ONLY LASTED SEVERAL MONTHS BEFORE THE SAME THING HAPPENED AGAIN. I HAVE NOW "FIXED" IT MYSELF 3 TIMES. I HAVE MY CAR AT THE MERCEDES BENZ DEALER CURRENTLY AND MENTIONED THE PROBLEM TO THEM. THEY ARE AWARE OF IT AND WANT TO CHARGE ME TO FIX IT. I FEEL THIS SHOULD BE A COVERED SERVICE BULLETIN SINCE IT IS HAPPENING TO NUMEROUS CARS NOW. THIS IS A DESIGN FLAW IN THE LOCATION AND PLACEMENT OF THIS WIRING BUNDLE AND COULD LEAD UNEXPECTEDLY LOSING SOME, IF NOT ALL, BRAKE LIGHTS. ALSO, IF SOMEONE GETS LOCKED IN THE TRUNK AND THE WIRE IS BROKEN, THEY HAVE NO WAY OF OPENING THE TRUNK. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026