2006 Mercedes-Benz E320 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2006 Mercedes-Benz E320, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Brakes1735.4%
- Fuel system918.8%
- Airbags612.5%
- Exterior lighting48.3%
- Driver assistance24.2%
- Suspension24.2%
- Seat belts24.2%
- Electrical24.2%
- Visibility12.1%
- Interior & seats12.1%
- Steering12.1%
- Tires & wheels12.1%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
Vehicle had a blow out on highway. Pull onto right shoulder doing about 60mph. Pressed the brakes and would not stop. Kept pressing brake and pumping the brakes and would not stop. was going around 50mph on the shoulder. After 15 seconds of pressing the brakes, car decided to brake. Checked brake lines, brake fluid and everything was correct and not leaking and drove the car back home slowly with spare on. ESP and ABS error came on. No other warning came on.
WHILE DRIVING, WITH SHORT BEEPS , THE SBC IN MY W211 GIVES A SHORT WARNING AND FAILS COMPLETELY. IT IS VERY RISKY TO DRIVE AFTER THAT. WITH SUCH AN EXPENSIVE CAR THE RELIABILITY HAS BEEN COMPROMISED. IF THERE IS A RECALL IT WOULD HELP MANY OWNERS.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
PERSISTENT SMELL OF DIESEL IN CABIN AFTER FILLING TANK. LEAK ISOLATED TO RIGHT SIDE (PASSENGER SIDE) FUEL SENDER CAP UNDER REAR SEATS. SAME AS GASOLINE VERSIONS, THIS REALLY HAPPENS IN THE CDI OR DIESEL VERSIONS AS WELL. THE WARRANTY EXTENSION/RECALL SHOULD APPLY TO THESE CARS AS WELL!
FUEL IS LEAKING OUT OF MY E320 CDI, THERE IS ALSO AN INTENSE FUEL SMELL, IT APPEARS TO BE THE SAME EXACT ISSUE THAT THE NHTSA PREVIOUSLY ORDERED MERCEDES TO REPLACE THE FUEL TANKS ON ALL 2003-2009 E-CLASS MERCEDES, BUT MERCEDES SAYS IT ONLY APPLIES TO GASOLINE ENGINES.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
MY AIRBAGS SELF DEPLOYED WHILE I WAS DRIVING. I HAD JUST LEFT WORK AND DRIVING NORTHBOUND ON THE WEST SAM HOUSTON TOLLWAY APPROACHING THE TOLL STATION AT HIGHWAY SPEEDS. THERE WAS AN INCREDIBLY LOUD EXPLOSION AND AND HARD PERCUSSION AS THE AIRBAGS SELF DEPLOYED WHILE I WAS DRIVING. I THOUGHT I HAD BEEN PUNCHED OR SHOT IN THE GUT. THE PASSENGER SIDE CURTAIN DROPPED DOWN AND THE RIGHT REAR PASSENGER SIDE DOOR BAG DEPLOYED. THE SEATBELT AROUND MY WAIST AND SHOULDER TIGHTENED. FORTUNATELY, I KEPT IT TOGETHER AND DROVE DIRECTLY TO THE DEALERSHIP. I HAD NOT HIT ANYTHING, RUN OVER A POTHOLE, SWERVED OR OTHERWISE MAKE ANY SUDDEN DIRECTION CHANGE. I WAS IMMEDIATELY CALLED BY AN OPERATOR ON THE MERCEDES EMERGENCY SYSTEM WITHIN THE CAR. SO MERCEDES IS AWARE OF THE INCIDENT AT THE TIME IT HAPPENED. SHE ASKED IF I NEEDED AN AMBULANCE OR POLICE. I TOLD HER THAT THE AIRBAGS HAD DEPLOYED ON THEIR OWN AND THAT I WAS PHYSICALLY OK. ADDITIONALLY, I DROVE IMMEDIATELY TO STAR MOTOR DEALERSHIP WHERE THEY LOOKED AT MY VEHICLE LESS THAN 20 MINUTES AFTER IT OCCURRED. THE SERVICE ADVISER AND SOME OF THE TECHNICIANS QUICKLY LOOKED AT THE VEHICLE (IT WAS NEAR CLOSING TIME). THEY SAID THEY COULD NOT READ THE CODES OTHER THAN THE SRS FAULT. I WAS ADVISED THAT IT WOULD LIKELY BE CHEAPER TO FIX AT A BODY SHOP THAN AT THE DEALER. I LATER FOUND THAT THE DRIVER SIDE REAR SEATBELT HAD ALSO DEPLOYED AND WAS TIGHTENED.
I WAS INVOLVED IN AN ACCIDENT SAT. APRIL 9, 2016. I STRUCK ANOTHER VEHICLE THAT WAS STOPPED DEAD STILL IN THE ROAD. MY AIR BAGS DID NOT DEPLOY . I WAS TRAVELING AT A SPEED OVER 30 MILES AN HOUR BUT LESS THAN 45 MPH AND THE IMPACT WAS DEAD ON, NO GLANCING BLOW. THE ACCIDENT HAPPENED ON A STATE HIGHWAY ABOUT 10 P.M.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
THE INSULATION COVERING THE ELECTRICAL WIRING THAT POWERS THE LOW BEAM HEADLIGHTS ON BOTH PASSENGER AND DRIVER SIDES HAS FAILED AND CRUMBLED AWAY EXPOSING THE BARE COPPER WIRE. THIS CIRCUIT POWERS TWO HALOGEN 55 WATT BULBS (110 WATTS TOTAL OR ~10 AMPS) AT 12 VOLTS. THE INSULATION FAILURE WILL PRESENT AN IMMEDIATE VEHICLE FIRE HAZARD IF THE ELECTRICAL PROTECTION FUSE FAILS TO ACTUATE AS A RESULT OF THE SHORT CIRCUIT CREATED BY POTENTIAL BARE WIRE CONTACT. IF THE ELECTRICAL PROTECTION FUSE DOES ACTUATE PROPERLY THE CAR WILL LOSE FORWARD ILLUMINATION WHICH IS ESSENTIAL FOR SAFE VEHICLE OPERATION AT NIGHT. IN EITHER INSTANCE A PROPERTY AND PERSONAL HAZARD CAN RESULT FROM THIS DEFECT. THIS DEFECT CAN BE TRACED DIRECTLY TO THE WIRE MERCEDES BENZ SELECTED FOR THE MANUFACTURE OF THIS CIRCUITRY. EITHER THE GAUGE OF THE WIRE SELECTED IS INSUFFICIENT TO DISSIPATE THE HEAT GENERATED BY THE CURRENT FLOW THE CIRCUIT DEMANDS OR THE INSULATION OF THE WIRE SELECTED IS INHERENTLY DEFECTIVE AS EVIDENCED BY ITS CRUMBLING DETERIORATION FOR A COMPONENT THAT SHOULD BE EXPECTED TO LAST THE LIFE OF THE VEHICLE. IN EITHER CASE THIS WIRING FAILURE CONSTITUTES A MANUFACTURING DEFECT WHICH SHOULD BE SUBJECT TO RECALL AND CORRECTION BY THE MANUFACTURER AT HIS EXPENSE. THE DEFECT WAS DISCOVERED WHILE ATTEMPTING TO REPLACE A FAILED LOW BEAM HEADLIGHT BULB, A MAINTENANCE ACTIVITY THAT CAN REASONABLY BE EXPECTED TO BE PERFORMED A NUMBER OF TIMES DURING THE VEHICLE'S LIFESPAN. THE DEFECTIVE INSULATION WAS IMMEDIATELY EVIDENT BY VISUAL AND TACTILE OBSERVATION. IT WAS IMMEDIATELY CLEAR AN IMMEDIATE HAZARD WAS PRESENT AND THAT THE LIGHTING COULD NOT BE USED RENDERING THE VEHICLE UNSAFE TO OPERATE UNDER CONDITION WHEN THE LIGHTING CIRCUIT MIGHT BE OPERATED.
DURING RENEWAL OF HEADLAMP BULBS I FOUND THAT INSULATION HAD BROKEN OFF LEAVING SUBSTANTIAL PORTION OF BARE CONDUCTORS. WIRES ARE IN CLOSE PROXIMITY TO EACH OTHER AND IF THEY TOUCH THERE IS THE POSSIBILITY OF LOSS OF LIGHTING OR ELECTRICAL FIRE. SHOULD THIS OCCUR, WHILE DRIVING ON A DARK ROAD, IT LIKECOULD RESULT IN CATASTROPHIC CRASH. THIS IS COMMONLY DISCUSSED BY OWNERS IN THE MERCEDES-BENZ FORUMS. I AM SURPRISED THAT MERCEDES HAS NOT BEEN FORCED TO RECALL W211S FROM 2003 TO 2009 MODEL YEARS. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
WHILE DRIVING, WITH SHORT BEEPS , THE SBC IN MY W211 GIVES A SHORT WARNING AND FAILS COMPLETELY. IT IS VERY RISKY TO DRIVE AFTER THAT. WITH SUCH AN EXPENSIVE CAR THE RELIABILITY HAS BEEN COMPROMISED. IF THERE IS A RECALL IT WOULD HELP MANY OWNERS.
TL* THE CONTACT OWNS A 2006 MERCEDES BENZ E320. THE CONTACT STATED THAT WHILE DRIVING 60 MPH, THE VEHICLE BEGAN TO ACCELERATE INDEPENDENTLY. THE CONTACT REMOVED THE DRIVER'S SIDE FLOOR MAT IN AN ATTEMPT TO STOP THE VEHICLE FROM ACCELERATING ANY FURTHER. THE CONTACT APPLIED EXCESSIVE PRESSURE TO THE BRAKES BUT THE VEHICLE CONTINUED TO ACCELERATE. THE CONTACT THEN ENTERED A PARKING LOT, SHIFTED INTO PARK AND IMMEDIATELY JUMPED FROM THE VEHICLE. THE CONTACT WAS NOT INJURED. THE ENGINE CONTINUED TO RUN AND THE CONTACT WAS ABLE TO RE-ENTER THE VEHICLE AND REMOVE THE KEYS HOWEVER, THE VEHICLE CONTINUED TO RUN. THE VEHICLE WAS EVENTUALLY TOWED TO A DEALER WHERE THE CONTACT WAS AWAITING DIAGNOSIS OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 149,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
DRIVING OVER A SPEED BUMP AT LOW SPEED AND COIL SPRING SNAPPED ABOVE THE SPRING PERCH. CAR WAS UNABLE TO BE DRIVEN UNTIL REPAIRS WERE MADE. *TR
2006 MERCEDES BENZ E320. CONSUMER WRITES IN REGARDS TO VEHICLE BEING CLASSIFIED AS UNSAFE *TGW THE CONSUMER STATED FROM THE DAY SHE DROVE THE VEHICLE OFF THE LOT, THE VEHICLE PULLED SEVERELY TO THE RIGHT. THE MECHANIC TEST DROVE THE VEHICLE WHEN SUDDENLY THE VEHICLE BEGAN SWERVING TO THE LEFT AND RIGHT. ALSO THE VEHICLE MADE A STRANGE SOUND WHEN THE CONSUMER BACKED UP AND TURNED TO THE RIGHT. *JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
MY AIRBAGS SELF DEPLOYED WHILE I WAS DRIVING. I HAD JUST LEFT WORK AND DRIVING NORTHBOUND ON THE WEST SAM HOUSTON TOLLWAY APPROACHING THE TOLL STATION AT HIGHWAY SPEEDS. THERE WAS AN INCREDIBLY LOUD EXPLOSION AND AND HARD PERCUSSION AS THE AIRBAGS SELF DEPLOYED WHILE I WAS DRIVING. I THOUGHT I HAD BEEN PUNCHED OR SHOT IN THE GUT. THE PASSENGER SIDE CURTAIN DROPPED DOWN AND THE RIGHT REAR PASSENGER SIDE DOOR BAG DEPLOYED. THE SEATBELT AROUND MY WAIST AND SHOULDER TIGHTENED. FORTUNATELY, I KEPT IT TOGETHER AND DROVE DIRECTLY TO THE DEALERSHIP. I HAD NOT HIT ANYTHING, RUN OVER A POTHOLE, SWERVED OR OTHERWISE MAKE ANY SUDDEN DIRECTION CHANGE. I WAS IMMEDIATELY CALLED BY AN OPERATOR ON THE MERCEDES EMERGENCY SYSTEM WITHIN THE CAR. SO MERCEDES IS AWARE OF THE INCIDENT AT THE TIME IT HAPPENED. SHE ASKED IF I NEEDED AN AMBULANCE OR POLICE. I TOLD HER THAT THE AIRBAGS HAD DEPLOYED ON THEIR OWN AND THAT I WAS PHYSICALLY OK. ADDITIONALLY, I DROVE IMMEDIATELY TO STAR MOTOR DEALERSHIP WHERE THEY LOOKED AT MY VEHICLE LESS THAN 20 MINUTES AFTER IT OCCURRED. THE SERVICE ADVISER AND SOME OF THE TECHNICIANS QUICKLY LOOKED AT THE VEHICLE (IT WAS NEAR CLOSING TIME). THEY SAID THEY COULD NOT READ THE CODES OTHER THAN THE SRS FAULT. I WAS ADVISED THAT IT WOULD LIKELY BE CHEAPER TO FIX AT A BODY SHOP THAN AT THE DEALER. I LATER FOUND THAT THE DRIVER SIDE REAR SEATBELT HAD ALSO DEPLOYED AND WAS TIGHTENED.
2006 MERCEDES E320 CDI SRS MALFUNCTION MESSAGE. SO FAR HAVE HAD TO REPLACE STEERING WHEEL WIRING HARNESS CONNECTOR, HARNESS, REEL, AND COMPUTER TO REPAIR SRS. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
THE INSULATION COVERING THE ELECTRICAL WIRING THAT POWERS THE LOW BEAM HEADLIGHTS ON BOTH PASSENGER AND DRIVER SIDES HAS FAILED AND CRUMBLED AWAY EXPOSING THE BARE COPPER WIRE. THIS CIRCUIT POWERS TWO HALOGEN 55 WATT BULBS (110 WATTS TOTAL OR ~10 AMPS) AT 12 VOLTS. THE INSULATION FAILURE WILL PRESENT AN IMMEDIATE VEHICLE FIRE HAZARD IF THE ELECTRICAL PROTECTION FUSE FAILS TO ACTUATE AS A RESULT OF THE SHORT CIRCUIT CREATED BY POTENTIAL BARE WIRE CONTACT. IF THE ELECTRICAL PROTECTION FUSE DOES ACTUATE PROPERLY THE CAR WILL LOSE FORWARD ILLUMINATION WHICH IS ESSENTIAL FOR SAFE VEHICLE OPERATION AT NIGHT. IN EITHER INSTANCE A PROPERTY AND PERSONAL HAZARD CAN RESULT FROM THIS DEFECT. THIS DEFECT CAN BE TRACED DIRECTLY TO THE WIRE MERCEDES BENZ SELECTED FOR THE MANUFACTURE OF THIS CIRCUITRY. EITHER THE GAUGE OF THE WIRE SELECTED IS INSUFFICIENT TO DISSIPATE THE HEAT GENERATED BY THE CURRENT FLOW THE CIRCUIT DEMANDS OR THE INSULATION OF THE WIRE SELECTED IS INHERENTLY DEFECTIVE AS EVIDENCED BY ITS CRUMBLING DETERIORATION FOR A COMPONENT THAT SHOULD BE EXPECTED TO LAST THE LIFE OF THE VEHICLE. IN EITHER CASE THIS WIRING FAILURE CONSTITUTES A MANUFACTURING DEFECT WHICH SHOULD BE SUBJECT TO RECALL AND CORRECTION BY THE MANUFACTURER AT HIS EXPENSE. THE DEFECT WAS DISCOVERED WHILE ATTEMPTING TO REPLACE A FAILED LOW BEAM HEADLIGHT BULB, A MAINTENANCE ACTIVITY THAT CAN REASONABLY BE EXPECTED TO BE PERFORMED A NUMBER OF TIMES DURING THE VEHICLE'S LIFESPAN. THE DEFECTIVE INSULATION WAS IMMEDIATELY EVIDENT BY VISUAL AND TACTILE OBSERVATION. IT WAS IMMEDIATELY CLEAR AN IMMEDIATE HAZARD WAS PRESENT AND THAT THE LIGHTING COULD NOT BE USED RENDERING THE VEHICLE UNSAFE TO OPERATE UNDER CONDITION WHEN THE LIGHTING CIRCUIT MIGHT BE OPERATED.
I CHANGED THE LOW BEAM HALOGEN BULBS IN MY HEADLIGHTS WHEN I DISCOVERED THAT THE WIRE LEADS TO THE BULB HAD LOST NEARLY ALL OF THEIR INSULATION, EXPOSING BARE WIRE. THE INSULATION FLAKES WERE SITTING IN THE BOTTOM OF THE CAPSULE THAT CONTAINS THE LIGHT ASSEMBLY, WHICH IS NORMALLY CLOSED, ACCESSED BY A REMOVABLE "DOOR". BOTH HEADLIGHTS HAD THIS SAME ISSUE. THIS IS AN OBVIOUS SPARKING/FIRE DANGER, SO I APPLIED ELECTRICAL TAPE OVER THE WIRES. HAD I NOT CHANGED THE BULBS [THEY LOSE BRIGHTNESS OVER THE YEARS], I WOULD HAVE BEEN UNAWARE OF THIS DANGER. I AM CONCERNED THAT THIS SAME WIRE INSULATION HAS BEEN USED THROUGHOUT THE VEHICLE. I AM AMAZED THAT MERCEDES HAS NOT ISSUED A RECALL ON THIS. I PURCHASED THIS CAR NEW IN 2007. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ E320. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V918000 (VISIBILITY) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
NO CHILD SAFETY LOCKS FOR THE REAR SEATS. THE CHILD IS ABLE TO OPEN THE DOOR WHILE THE CAR IS AT SPEED. THE DOORS DO LOCK AUTOMATICALLY AT 9 MPH BUT YOU CAN OPEN THE DOOR BY PULLING THE LOCK UP THEN PULLING THE DOOR HANDLE OPEN. *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
2006 MERCEDES BENZ E320. CONSUMER WRITES IN REGARDS TO VEHICLE BEING CLASSIFIED AS UNSAFE *TGW THE CONSUMER STATED FROM THE DAY SHE DROVE THE VEHICLE OFF THE LOT, THE VEHICLE PULLED SEVERELY TO THE RIGHT. THE MECHANIC TEST DROVE THE VEHICLE WHEN SUDDENLY THE VEHICLE BEGAN SWERVING TO THE LEFT AND RIGHT. ALSO THE VEHICLE MADE A STRANGE SOUND WHEN THE CONSUMER BACKED UP AND TURNED TO THE RIGHT. *JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
A SET OF MICHELIN TIRES WAS PURCHASED FROM COSTCO AND MOUNTED ON MY 2006 MERCEDES ABOUT ONE YEAR AGO. THE MORNING AFTER THE FIRST 6,000-MILE TIRE ROTATION, THE FRONT TIRE ON THE DRIVER'S SIDE COMPLETELY SEPARATED FROM THE VEHICLE ON I-40 WEST OF ALBUQUERQUE, NM. COSTCO PAID FOR A REPLACEMENT TIRE AND DAMAGE TO THE RIM. THEN, ON MAY 13, 2009 ANOTHER ONE OF THE ORIGINAL SET OF MICHELIN TIRES SEPARATED IN A SIMILAR FASHION AGAIN ON I-40, NEARLY CREATING A MAJOR TRAFFIC FATALITY. THREE SEMI-TRUCKS ADEPTLY SWERVED TO AVOID COLLIDING WITH MY VEHICLE. THIS TIME, I HAD TO PAY $1,724 TO REPAIR DAMAGE TO THE SHOCK ABSORBER AND WHEEL WELL ON THE REAR END OF THE PASSENGER SIDE. THE COST ALSO INCLUDES $880 THAT I PAID FOR A NEW SET OF MICHELIN TIRES FROM THE MERCEDES DEALERSHIP, WHICH INFORMED ME THAT THEIR TIRES WERE NOT COMPROMISED BY EXTENDED STORAGE IN WAREHOUSES (I.E., DRY-ROTTING). COSTCO OFFERED TO PUT ANOTHER NEW SET OF THEIR TIRES ON MY VEHICLE, BUT I REFUSED TO TAKE THE RISK OF HAVING OLD DRY-ROTTED TIRES PLACED ON MY VEHICLE AGAIN. CONSEQUENTLY, COSTCO REFUSED TO PAY ANY OF THE $880 CHARGE FOR THE NEW MERCEDES DEALERSHIP TIRES. NOTE: THE FIRST INCIDENT WAS REPORTED TO THE POLICE AND AAA TOWED THE CAR ON BOTH OCCASIONS. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .