Total Complaints
20 filings
MERCEDES-BENZ E320 · model year
20 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2007MERCEDES-BENZE320 carries 20 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2007 E320 is fuel/propulsion system with 4 filings, followed by engine (4) and power train:automatic transmission (2). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 2007 E320. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
20 filings
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| FUEL/PROPULSION SYSTEM | 4 |
| ENGINE | 4 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 2 |
| POWER TRAIN | 2 |
| ELECTRICAL SYSTEM:WIRING | 1 |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 1 |
| ENGINE AND ENGINE COOLING:ENGINE:DIESEL | 1 |
| FUEL SYSTEM, DIESEL | 1 |
| VEHICLE SPEED CONTROL | 1 |
| EXTERIOR LIGHTING | 1 |
| POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT | 1 |
| ELECTRICAL SYSTEM | 1 |
Noticed strong smell of diesel fuel by left rear tire, in several days a leak was under left tire, had fuel tank sending unit gasket replaced, no visible leaks but fumes are still present 1 year after repair. When repair was made all related parts were cleaned of residential fuel. Want to know if MB has dealt with splits or cracks in fuel tanks.
Fuel tank leak at the top of the tank. MB has well documented gasoline leaks for MB model 211 years 2003-2008. Notices were sent to owners of gas powered auto's but none were sent to DIESEL auto owners. The exact same procedure and parts are needed to repair DIESEL tanks as gasoline tanks. Either this is a oversight by MB or the problem was ignored. My DIESEL tank is leaking exactly as other documented gasoline MB vehicles model 211.
OIL COOLER SEAL LEAKING GASKET CAUSING FIRE HAZARD
Mileage: 100,000
HIGHWAY DRIVING, CRUISE CONTROL SET. CRUISE CONTROL BEEPED, DISENGAGED. CAR CONTINUED TO DRIVE NORMALLY UNTIL I HAD TO STOP FOR A LIGHT. WHEN LIGHT CHANGED TO GREEN, THE CAR WOULD BARELY MOVE - HAD NO POWER, EVEN THOUGH THE RPMS SHOWED THE ENGINE RUNNING. FORTUNATELY, I WAS NEAR A GAS STATION AND WAS ABLE TO GET OFF THE ROAD. THIS COULD HAVE BEEN VERY HAZARDOUS HAD IT OCCURRED IN HEAVY TRAFFIC.... I PULLED OFF THE ROAD, RESTARTED THE CAR AND EVERYTHING SEEMED TO BE FINE. BUT THIS CAR BASICALLY LEFT ME SITTING IN THE MIDDLE OF THE ROAD AND COULD HAVE CAUSED A SERIOUS ACCIDENT IF SOMEONE HAD BEEN APPROACHING ME FROM THE REAR, OR IT WAS IN THE INTERSECTION AT THE TIME.
Mileage: 79,102
TRANSMISSION VIOLENTLY DOWNSHIFT SEVERAL GEARS WITHOUT WARNING .THIS CAUSES SKIDDING, THROWING OCCUPANTS VIOLENTLY TOWARD THE WIND SHIELD THIS HAPPENS WHEN AUTO IS IN DRIVE WITH SPEEDS BETWEEN 40-45 MPH. THIS UNEXPECTED LURCHING CAUSES LOSS OF CONTROL ON WET AND DRY PAVEMENT. THIS DEFECT HAS BEEN REPORTED TO MERCEDES BENZ WITH NO CORRECTIVE ACTION OFFERED.
Mileage: 114,000
THE INSULATION ON THE WIRING HARNESSES FOR THE HEADLIGHTS HAS COMPLETELY DISINTEGRATED AND IS SITTING IN A PILE OF BITS ON THE BOTTOM OF THE HEADLIGHT ASSEMBLY, LITERALLY LEAVING COMPLETELY BARE WIRES LEADING UP TO THE HEADLAMP SOCKETS. IF THESE WIRES WERE TO TOUCH AND SHORT OUT IT COULD RESULT IN COMPLETE LOSS OF HEADLIGHTS AT NIGHT AT HIGHWAY SPEED. THIS DEFECT WAS DISCOVERED WHEN ATTEMPTING TO REPLACE A BURNED OUT LOW BEAM HEADLIGHT BULB. OTHER SUCH WIRING IN THE VEHICLE MIGHT ALSO HAVE DETERIORATED OR DISINTEGRATED BUT NOT YET BEEN DISCOVERED, WITH ATTENDANT RISKS OF DAMAGE TO OTHER EXTREMELY EXPENSIVE PARTS OF THE ELECTRICAL SYSTEM, OR RISK OF FIRE OR CATASTROPHIC FAILURE OF THE VEHICLE WHILE OPERATING AT HIGHWAY SPEEDS.
Mileage: 124,000
WHILE TRYING TO MERGE INTO HIGHWAY TRAFFIC (I94 IN MICHIGAN) I PRESSED THE ACCELERATOR TO GAIN SPEED TO MERGE ONLY TO FIND THAT THE ENGINE LACKED ANY POWER, THE RPMS ROSE SLOWLY BUT THERE WAS LITTLE TO NO ACCELERATION. I WAS TOLD (BY MERCEDES DEALER) THAT THIS IS A KNOWN ISSUE AND IN THIS CASE IT ALMOST CAUSED MY DEATH. IF THIS IS A KNOW ISSUE WHY ARE OUR LIVES BEING PUT AT RISK BECAUSE OF A POORLY DESIGNED PART?
Mileage: 213,000
GAS TANK IS LEAKING FUEL ON THE GROUND UNDER THE REAR LEFT FLOOR IN FRONT OF THE REAR LEFT WHEEL. THERE WAS AN NHTSA RECALL CAMPAIGN FOR ALL E CLASS MODELS 2003 > 2009, WHICH OUR CAR IS PART OF. THIS IS A WELL KNOWN AND DOCUMENTED ISSUE. HOWEVER MERCEDES SAYS THE CAMPAIGN DOES NOT INCLUDE OUR DIESEL POWERED CDI BLUETEC MODEL. WE ARE AFRAID THIS IS A SAFETY ISSUE ... IT HAS BEEN GOING ON FOR A LONG TIME AND IS GETTING WORSE AND WORSE.
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ E230. THE CONTACT STATED THAT WHEN ATTEMPTING TO ACCELERATE, THE VEHICLE FAILED TO SHIFT FROM FIRST GEAR AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 65,000.
Mileage: 65,000
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ E230. THE CONTACT STATED THAT WHEN ATTEMPTING TO ACCELERATE, THE VEHICLE FAILED TO SHIFT FROM FIRST GEAR AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 65,000.
Mileage: 65,000
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
Mileage: 92,000
WHILE DRIVING, NORMAL ACCELERATION LAGGED MORE THAN USUAL. WHEN I SUBMITTED CAR FOR SERVICE, I WAS TOLD FOAM AROUND INJECTORS HAS MELTED INTO THE INJECTORS. THIS DAMAGED THREE INJECTORS ON ONE SIDE TO THE POINT OF COMPLETE REPLACEMENT (APPROXIMATELY $800 EACH). I WAS TOLD I CAUGHT THIS SITUATION EARLY. *TR
Mileage: 155,000
WHILE DRIVING, NORMAL ACCELERATION LAGGED MORE THAN USUAL. WHEN I SUBMITTED CAR FOR SERVICE, I WAS TOLD FOAM AROUND INJECTORS HAS MELTED INTO THE INJECTORS. THIS DAMAGED THREE INJECTORS ON ONE SIDE TO THE POINT OF COMPLETE REPLACEMENT (APPROXIMATELY $800 EACH). I WAS TOLD I CAUGHT THIS SITUATION EARLY. *TR
Mileage: 155,000
I TOOK MY 2007 MERCEDES BENZ BLUTECH TO THE DEALER FOR THE ONCE A YEAR "B" SERVICE. WHILE THEY WERE DOING THE SERVICE, THEY NOTICED DIESEL FUEL LEAKING BEHIND THE LEFT REAR TIRE. I HAD THEM PERFORM AN INSPECTION FOR $135 AND THEY DETERMINED THAT FUEL WAS LEAKING OUT OF THE LEFT FUEL LEVEL SENDER AREA WITH NO VISUAL DAMAGE. THEY RECOMMENDED REPLACING LEFT TANK SEAL AND INSPECTING TANK AND SENSOR FOR CRACKS FOR $368. BEFORE HAVING THE WORK PERFORMED , I WENT ON THE INTERNET AND FOUND OTHERS HAVING THE SAME PROBLEM WITH THEIR MERCEDES WITH NHTSA ACTION #PE12001. WE HAD NO FUEL SMELL OR ANY INDICATIONS THERE WAS A LEAK. I FEEL THIS IS A SERIOUS DEFECT AND MERCEDES BENZ SHOULD RECALL THESE VEHICLES BEFORE SOMEONE GETS KILLED. *TR
Mileage: 21,458
I TOOK MY 2007 MERCEDES BENZ BLUTECH TO THE DEALER FOR THE ONCE A YEAR "B" SERVICE. WHILE THEY WERE DOING THE SERVICE, THEY NOTICED DIESEL FUEL LEAKING BEHIND THE LEFT REAR TIRE. I HAD THEM PERFORM AN INSPECTION FOR $135 AND THEY DETERMINED THAT FUEL WAS LEAKING OUT OF THE LEFT FUEL LEVEL SENDER AREA WITH NO VISUAL DAMAGE. THEY RECOMMENDED REPLACING LEFT TANK SEAL AND INSPECTING TANK AND SENSOR FOR CRACKS FOR $368. BEFORE HAVING THE WORK PERFORMED , I WENT ON THE INTERNET AND FOUND OTHERS HAVING THE SAME PROBLEM WITH THEIR MERCEDES WITH NHTSA ACTION #PE12001. WE HAD NO FUEL SMELL OR ANY INDICATIONS THERE WAS A LEAK. I FEEL THIS IS A SERIOUS DEFECT AND MERCEDES BENZ SHOULD RECALL THESE VEHICLES BEFORE SOMEONE GETS KILLED. *TR
Mileage: 21,458
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ E320. THE CONTACT STATED THAT WHILE SHIFTING GEARS, THE GEAR SHIFTER JERKED AND COULD NOT BE SHIFTED INTO REVERSE. THE CONTACT TURNED THE ENGINE OFF AND WAS ABLE TO SHIFT THE GEAR INTO REVERSE. THE VEHICLE WAS TOWED TO THE DEALER WHERE A DIAGNOSTIC WAS PERFORMED, WHICH LOCATED THE FAILURE AT THE TRANSMISSION. THE TRANSMISSION FAILED DUE TO DEFECTIVE MATERIAL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND THE CURRENT MILEAGE WAS 75,000. UPDATED 4/2/12 *CN UPDATED 05/07/12
Mileage: 75,000
2007 MERCEDES-BENZ E320. CONSUMER STATES PROBLEM WITH VEHICLE ENGINE *TGW THE CONSUMER STATED THE VEHICLE SUDDENLY STOPPED IN THE MIDDLE OF TRAFFIC, WITH ABSOLUTELY NO WARNING. THE VEHICLE WAS TOWED TO THE DEALER. AFTER THREE DAYS, THE DEALER FINALLY CALLED THE CONSUMER AND INFORMED HIM THE TURBO CAME APART AND FLEW INTO THE ENGINE. THE CONSUMER WAS INFORMED THE ENGINE WOULD HAVE TO BE REBUILT AT A COST OF $13,000. *JB
WHILE PULLING INTO A PARKING SPOT, THE BRAKES FAILED TO STOP THE CAR. *TR
Mileage: 5,600
MY 1994 E320 WIRING HARNESS HAS TOTALLY DRIED UP AND CRACKED IN NUMEROUS PLACES. RESULTING IN ELECTRICAL PROBLEMS AND MONEY SPENT ON TROUBLE SHOOTING. *TR
TL*- THE CONTACT STATED THAT THE TRANSMISSION ON A 2007 MERCEDES BENZ E WAS SURGING. WHILE DRIVING AT 15 MPH ONCE REACHING 2000 RPM THE ENGINE WOULD INSTANTANEOUSLY SURGE TO 3000 RPM WITHIN MOMENTS AND THEN RETURNED TO THE PREVIOUS READING. SINCE THE VEHICLE HAD A DIESEL ENGINE THE FAILURE CAUSED THE VEHICLE TO LURCH FORWARD, AND SKID ON ICE. THE CONTACT STATED THAT HE HAD AN INTERNAL MERCEDES BULLETIN THAT STATED THE PROBLEM, BUT THAT THEY CURRENTLY DID NOT KNOW HOW TO REPAIR THE FAILURE. *AK UPDATED 2/22/2007 - THE DEALER INSTALLED A FACTORY UPGRADE WHICH THEY SAID WOULD ALLEVIATE THE PROBLEM. *NM
Mileage: 1,321
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.