2008 Mercedes-Benz GL550 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 2008 Mercedes-Benz GL550, 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
- Steering746.7%
- Driver assistance213.3%
- Electrical213.3%
- Engine213.3%
- Exterior lighting16.7%
- Suspension16.7%
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
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
POWER STEERING WENT OUT 2014 CHARGED ME FOR IT. CLAIMED NO RECALLS. FRONT RIGHT HEADLAMP HAD TO BE REPLACED TWO TIMES. THIS WAS THE WHOLE HEADLAMP ASSEMBLY. DUE TO WATER GETTING CONTROL BOX WET. CLAIMED IT'S HOW THE HEADLAMP IS MADE. CLAIMED NO WARRANTY OR RECALL ON IT. 2016 & 2019
AT LOW SPEEDS LIKE BACKING UP OR PULLING INTO DRIVEWAY THE STEERING BECOMES VERY HARD TO TURN.
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
STATUS ' 4TH TIME TRYING TO REPAIR THE ENGINE SHUT DOWN ISSUE 'VEHICLE MALFUNCTIONED DURING DRIVING FOUR SEPARATE OCCASIONS WITH KIDS IN THE CAR ' COMPLETE SHUTDOWN WHILE DRIVING, LOSS OF STEERING AND DASHBOARD ILLUMINATES EVERY WARNING SIGNAL (SEE PICTURE BELOW) 'MERCEDES IN DOWNTOWN LOS ANGELES FIXED THE CAR (SEE RECEIPT $4,600 IN REPAIRS) AND SUV CONTINUES TO STOP. SINCE THE 1ST INCIDENT, THE DEALERSHIP HAS ATTEMPTED TO FIX THE ISSUE THREE TIMES AND HAS BEEN IN THE SHOP OVER 60 DAYS THIS YEAR. I CONTACTED THE CEO'S OFFICE AND A REPRESENTATIVE HAS STEPPED IN TO ASSIST WITH THE ISSUE. THEY HAVE BROUGHT IN A SPECIAL ENGINEER TO RESEARCH THE ISSUE BUT THAT STILL DID NOT CORRECT THE ISSUE. ON 10/20/17 ALMOST TWO MONTHS AFTER HAVING MY CAR IN THE SHOP, I PICKED UP THE SUV. ON 11/18/17, THE CAR STOPPED ON ME AGAIN WITH MY SON IN THE BACK SEAT. AFTER BEING STRANDED FOR NEARLY TWO HOURS. I HAVE BEEN WITHOUT A CAR SINCE 11/18/17. ON 11/22/17, I RECEIVED ANOTHER UPDATE STATING THE CAR IS CLOSE TO $3000 TO FIX. SINCE JUNE 2017, I HAVE REPEATEDLY BROUGHT THE CAR IN FOR THE EXACT SAME ISSUE. I HAVE REPEATEDLY ASKED MERCEDES TO DECLARE THE CAR A LEMON SINCE OVER $7000 OR MORE HAS BEEN PUT INTO THE VEHICLE FOR THIS SAME ISSUE. I WOULD HAVE NEVER PURCHASE THE CAR. MERCEDES KNEW ABOUT THE ISSUES WITH THE 1ST GENERATION SUV RATHER THAN TAKE THE OLDER MODEL SUV OUT OF PRODUCTION, THE DEALERSHIP CONTINUES TO PROFIT AND PUT SON AND OTHER KIDS IN HARM'S WAY---THIS IS A SAFETY ISSUE. THE CHALLENGES WITH THE ENGINE, THE WIRING AND THE OLDER TECHNOLOGY IS A KNOWN ISSUE'THE ENGINE COMPLETELY SHUTS DOWN WHILE DRIVING AND THE STEERING COLUMN IS LOCKED AND YOU CAN'T PUT THE SUV IN ANY GEAR'THIS IS THE 4TH TIME I HAVE BEEN STRANDED WHILE DRIVING THE ROAD AND FREEWAY.
TL*THE CONTACT OWNS A 2008 MERCEDES-BENZ GL550. THE CONTACT STATED THE ENGINE WAS TURNED ON WITH THE GEAR SELECTOR PLACED IN THE "PARK" POSITION WHEN AN UNEXPECTED ACCELERATION OCCURRED WHICH CAUSED THE VEHICLE TO JUMP OVER TWO CURBS AND CRASHED INTO A TREE. THE VEHICLE CONTINUED TO ACCELERATE AND THEN CRASHED INTO TWO UNOCCUPIED VEHICLES. THERE WAS NO PERSONAL INJURY. THE VEHICLE SUSTAINED SEVERE DAMAGES AND WAS TOWED TO THE DEALER FOR EXTERIOR BODY REPAIR AND DIAGNOSIS. A POLICE REPORT WAS FILED. THE FAILURE MILEAGE WAS APPROXIMATELY 30,000. UPDATED 2/23/11 *CN UPDATED 05/05/11
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
VEHICLE MALFUNCTIONED FOR THE 5TH TIME SINCE JUNE 2017 WHILE DRIVING ON THE SURFACE STREET. SUV COMPLETELY SHUT DOWN WHILE DRIVING, LOSS OF STEERING AND DASHBOARD ILLUMINATES EVERY WARNING SIGNAL INCLUDING A BEEPING SOUND; GEARS SHUT DOWN AND SUV COMPLETELY STOPS WAS DRIVING. IN LOOKING AT THE HISTORY (I'M THE 3RD OWNER), THE WORK PERFORMED FOR THE DEFECTIVE CAMSHAFT WAS COMPLETED 2 YEARS AFTER THE 2009 MERCEDES BULLETIN AND ANOTHER REPLACEMENT TO THE BALANCE SHAFT AND CAMSHAFT WAS PERFORMED 1 YEAR AFTER THE 2012 BULLETIN. IN ITS REPORT, MERCEDES ISSUED A CAUTION AND STATED, "NEW TIMING CHAIN TENSIONER MUST BE INSTALLED AND ONLY AFTER THE ENGINE HEAD COVERS (VALVE COVERS) ARE INSTALLED/BOTTLED ON. FAILURE TO OBSERVE THAT WILL RESULT IN THE OVER TIGHTENING THE TIMING CHAIN WHICH WILL ULTIMATELY LEAD TO ENGINE HEAD DAMAGE." IN THE CAR FAX REPORT, I SEE AFTER EACH REPAIR, THE OWNER SOLD THE VEHICLE. IN LOOKING AT MY RECEIPTS, I SEE MY REPORTS OF SMOKE FROM THE DASHBOARD (FIRE DEPARTMENT CAME TO MY VEHICLE WHILE IN ROUTE TO MY SON'S SCHOOL TO ENSURE MY SUV WOULD NOT CATCH FIRE). I ALSO SEE REQUESTS TO REPLACE LIGHT BULBS FOR BLOWN FUSE, THE BATTERY, WIRING ISSUE UNDER THE SEAT, NOW A NEW PROBLEM RELATED TO THE CAN TECHNOLOGY. ANOTHER RECEIPT WORK DONE ON THE CAMSHAFT. BASED ON MY RESEARCH, THE RECALL RELATES TO THE DEGRADING OF POOR MATERIALS USED TO MANUFACTURE THE 1ST GEN SUVS. I DON'T BELIEVE THERE ARE ANY REPORTED DEATHS BUT IT PUTS MANY PEOPLE AT RISK AS I WAS RESEARCHING THIS ISSUE LOOKING FOR MY RECEIPTS, I CAME ACROSS ANOTHER RECEIPT FOR THE ML500 2006 I SOLD BEFORE I PURCHASED MY CURRENT VEHICLE. THE RECEIPT SHOWS I WAS SEEKING SERVICE FOR THE ENGINE STOPPING WHILE DRIVING. READ: HTTP://WWW.MERCEDESDEFECTS.COM HTTP://WWW.BUSINESSKOREA.CO.KR/ENGLISH/NEWS/INDUSTRY/13381-MERCEDES-INSOLENCE-MERCEDES-BENZ-NEGLECTS-KOREAN-CONSUMERS-DESPITE-RECORD-HIGH
STATUS ' 4TH TIME TRYING TO REPAIR THE ENGINE SHUT DOWN ISSUE 'VEHICLE MALFUNCTIONED DURING DRIVING FOUR SEPARATE OCCASIONS WITH KIDS IN THE CAR ' COMPLETE SHUTDOWN WHILE DRIVING, LOSS OF STEERING AND DASHBOARD ILLUMINATES EVERY WARNING SIGNAL (SEE PICTURE BELOW) 'MERCEDES IN DOWNTOWN LOS ANGELES FIXED THE CAR (SEE RECEIPT $4,600 IN REPAIRS) AND SUV CONTINUES TO STOP. SINCE THE 1ST INCIDENT, THE DEALERSHIP HAS ATTEMPTED TO FIX THE ISSUE THREE TIMES AND HAS BEEN IN THE SHOP OVER 60 DAYS THIS YEAR. I CONTACTED THE CEO'S OFFICE AND A REPRESENTATIVE HAS STEPPED IN TO ASSIST WITH THE ISSUE. THEY HAVE BROUGHT IN A SPECIAL ENGINEER TO RESEARCH THE ISSUE BUT THAT STILL DID NOT CORRECT THE ISSUE. ON 10/20/17 ALMOST TWO MONTHS AFTER HAVING MY CAR IN THE SHOP, I PICKED UP THE SUV. ON 11/18/17, THE CAR STOPPED ON ME AGAIN WITH MY SON IN THE BACK SEAT. AFTER BEING STRANDED FOR NEARLY TWO HOURS. I HAVE BEEN WITHOUT A CAR SINCE 11/18/17. ON 11/22/17, I RECEIVED ANOTHER UPDATE STATING THE CAR IS CLOSE TO $3000 TO FIX. SINCE JUNE 2017, I HAVE REPEATEDLY BROUGHT THE CAR IN FOR THE EXACT SAME ISSUE. I HAVE REPEATEDLY ASKED MERCEDES TO DECLARE THE CAR A LEMON SINCE OVER $7000 OR MORE HAS BEEN PUT INTO THE VEHICLE FOR THIS SAME ISSUE. I WOULD HAVE NEVER PURCHASE THE CAR. MERCEDES KNEW ABOUT THE ISSUES WITH THE 1ST GENERATION SUV RATHER THAN TAKE THE OLDER MODEL SUV OUT OF PRODUCTION, THE DEALERSHIP CONTINUES TO PROFIT AND PUT SON AND OTHER KIDS IN HARM'S WAY---THIS IS A SAFETY ISSUE. THE CHALLENGES WITH THE ENGINE, THE WIRING AND THE OLDER TECHNOLOGY IS A KNOWN ISSUE'THE ENGINE COMPLETELY SHUTS DOWN WHILE DRIVING AND THE STEERING COLUMN IS LOCKED AND YOU CAN'T PUT THE SUV IN ANY GEAR'THIS IS THE 4TH TIME I HAVE BEEN STRANDED WHILE DRIVING THE ROAD AND FREEWAY.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
VEHICLE MALFUNCTIONED FOR THE 5TH TIME SINCE JUNE 2017 WHILE DRIVING ON THE SURFACE STREET. SUV COMPLETELY SHUT DOWN WHILE DRIVING, LOSS OF STEERING AND DASHBOARD ILLUMINATES EVERY WARNING SIGNAL INCLUDING A BEEPING SOUND; GEARS SHUT DOWN AND SUV COMPLETELY STOPS WAS DRIVING. IN LOOKING AT THE HISTORY (I'M THE 3RD OWNER), THE WORK PERFORMED FOR THE DEFECTIVE CAMSHAFT WAS COMPLETED 2 YEARS AFTER THE 2009 MERCEDES BULLETIN AND ANOTHER REPLACEMENT TO THE BALANCE SHAFT AND CAMSHAFT WAS PERFORMED 1 YEAR AFTER THE 2012 BULLETIN. IN ITS REPORT, MERCEDES ISSUED A CAUTION AND STATED, "NEW TIMING CHAIN TENSIONER MUST BE INSTALLED AND ONLY AFTER THE ENGINE HEAD COVERS (VALVE COVERS) ARE INSTALLED/BOTTLED ON. FAILURE TO OBSERVE THAT WILL RESULT IN THE OVER TIGHTENING THE TIMING CHAIN WHICH WILL ULTIMATELY LEAD TO ENGINE HEAD DAMAGE." IN THE CAR FAX REPORT, I SEE AFTER EACH REPAIR, THE OWNER SOLD THE VEHICLE. IN LOOKING AT MY RECEIPTS, I SEE MY REPORTS OF SMOKE FROM THE DASHBOARD (FIRE DEPARTMENT CAME TO MY VEHICLE WHILE IN ROUTE TO MY SON'S SCHOOL TO ENSURE MY SUV WOULD NOT CATCH FIRE). I ALSO SEE REQUESTS TO REPLACE LIGHT BULBS FOR BLOWN FUSE, THE BATTERY, WIRING ISSUE UNDER THE SEAT, NOW A NEW PROBLEM RELATED TO THE CAN TECHNOLOGY. ANOTHER RECEIPT WORK DONE ON THE CAMSHAFT. BASED ON MY RESEARCH, THE RECALL RELATES TO THE DEGRADING OF POOR MATERIALS USED TO MANUFACTURE THE 1ST GEN SUVS. I DON'T BELIEVE THERE ARE ANY REPORTED DEATHS BUT IT PUTS MANY PEOPLE AT RISK AS I WAS RESEARCHING THIS ISSUE LOOKING FOR MY RECEIPTS, I CAME ACROSS ANOTHER RECEIPT FOR THE ML500 2006 I SOLD BEFORE I PURCHASED MY CURRENT VEHICLE. THE RECEIPT SHOWS I WAS SEEKING SERVICE FOR THE ENGINE STOPPING WHILE DRIVING. READ: HTTP://WWW.MERCEDESDEFECTS.COM HTTP://WWW.BUSINESSKOREA.CO.KR/ENGLISH/NEWS/INDUSTRY/13381-MERCEDES-INSOLENCE-MERCEDES-BENZ-NEGLECTS-KOREAN-CONSUMERS-DESPITE-RECORD-HIGH
STATUS ' 4TH TIME TRYING TO REPAIR THE ENGINE SHUT DOWN ISSUE 'VEHICLE MALFUNCTIONED DURING DRIVING FOUR SEPARATE OCCASIONS WITH KIDS IN THE CAR ' COMPLETE SHUTDOWN WHILE DRIVING, LOSS OF STEERING AND DASHBOARD ILLUMINATES EVERY WARNING SIGNAL (SEE PICTURE BELOW) 'MERCEDES IN DOWNTOWN LOS ANGELES FIXED THE CAR (SEE RECEIPT $4,600 IN REPAIRS) AND SUV CONTINUES TO STOP. SINCE THE 1ST INCIDENT, THE DEALERSHIP HAS ATTEMPTED TO FIX THE ISSUE THREE TIMES AND HAS BEEN IN THE SHOP OVER 60 DAYS THIS YEAR. I CONTACTED THE CEO'S OFFICE AND A REPRESENTATIVE HAS STEPPED IN TO ASSIST WITH THE ISSUE. THEY HAVE BROUGHT IN A SPECIAL ENGINEER TO RESEARCH THE ISSUE BUT THAT STILL DID NOT CORRECT THE ISSUE. ON 10/20/17 ALMOST TWO MONTHS AFTER HAVING MY CAR IN THE SHOP, I PICKED UP THE SUV. ON 11/18/17, THE CAR STOPPED ON ME AGAIN WITH MY SON IN THE BACK SEAT. AFTER BEING STRANDED FOR NEARLY TWO HOURS. I HAVE BEEN WITHOUT A CAR SINCE 11/18/17. ON 11/22/17, I RECEIVED ANOTHER UPDATE STATING THE CAR IS CLOSE TO $3000 TO FIX. SINCE JUNE 2017, I HAVE REPEATEDLY BROUGHT THE CAR IN FOR THE EXACT SAME ISSUE. I HAVE REPEATEDLY ASKED MERCEDES TO DECLARE THE CAR A LEMON SINCE OVER $7000 OR MORE HAS BEEN PUT INTO THE VEHICLE FOR THIS SAME ISSUE. I WOULD HAVE NEVER PURCHASE THE CAR. MERCEDES KNEW ABOUT THE ISSUES WITH THE 1ST GENERATION SUV RATHER THAN TAKE THE OLDER MODEL SUV OUT OF PRODUCTION, THE DEALERSHIP CONTINUES TO PROFIT AND PUT SON AND OTHER KIDS IN HARM'S WAY---THIS IS A SAFETY ISSUE. THE CHALLENGES WITH THE ENGINE, THE WIRING AND THE OLDER TECHNOLOGY IS A KNOWN ISSUE'THE ENGINE COMPLETELY SHUTS DOWN WHILE DRIVING AND THE STEERING COLUMN IS LOCKED AND YOU CAN'T PUT THE SUV IN ANY GEAR'THIS IS THE 4TH TIME I HAVE BEEN STRANDED WHILE DRIVING THE ROAD AND FREEWAY.
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
POWER STEERING WENT OUT 2014 CHARGED ME FOR IT. CLAIMED NO RECALLS. FRONT RIGHT HEADLAMP HAD TO BE REPLACED TWO TIMES. THIS WAS THE WHOLE HEADLAMP ASSEMBLY. DUE TO WATER GETTING CONTROL BOX WET. CLAIMED IT'S HOW THE HEADLAMP IS MADE. CLAIMED NO WARRANTY OR RECALL ON IT. 2016 & 2019
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
GL550 SUSPENSION DROPS - MALFUNCTIONS EVERY YEAR (SUMMER TIME IN TEXAS) MY GL550-2008 WAS ABOUT 1 YEAR OLD IN AUGUST 2008) WITH 21K MILES. I WAS PARKED IN THE LOCAL LOWE'S PARKING LOT. WHEN I CAME BACK FROM THE STORE, THE CAR BODY WAS SITTING DIRECTLY ON THE TIRES. IN ORDER TO GET HOME, I USED THE FLOOD LIFT. THE CAR REMAINED LIFTED AFTER USING THE FLOOD LIFT FOR ABOUT A MONTH. A MONTH LATER WE WERE ON A ROAD TRIP AND WE PULLED OVER TO GET GAS AND IT DROPPED AGAIN. AGAIN WE USED THE FLOOD LIFT UNTIL WE COULD GET HOME. WHEN WE GOT BACK WE SCHEDULED A REPAIR APPOINTMENT. IT WAS DIAGNOSED BY THE DEALERSHIP AND THEY REPLACED THE AIR SUSPENSION COMPRESSOR. LESS THAN A YEAR LATER (MAY 2009) AT 33K MILES IT HAPPENED AGAIN. AGAIN I HAD TO USE THE FLOOD LIFT TO RAISE THE CAR BACK UP. I TOOK IT BACK TO THE DEALERSHIP BUT THEY COULD NOT DUPLICATE IT. AGAIN IT HAPPENED IN APRIL 2010 AT 49K MILES. THE DEALERSHIP DIAGNOSED AND REPLACED THE ENTIRE STRUT ASSEMBLY-LEFT FRONT AIR SUSPENSION. IN OCTOBER 2010, 54K MILES THE RIGHT FRONT DROPPED. I USED THE FLOOD LIFT TO RAISE THE CAR. I WAS IN THE GARAGE. THE GARAGE DOOR WAS CLOSED. WHEN I GOT OUT OF THE CAR I COULD HEAR HISSING FROM THE RIGHT FRONT SUSPENSION THAT SOUNDED LIKE A LEAK. WHEN I TOOK IT TO THE DEALERSHIP, AGAIN THEY COULD NOT DUPLICATE IT AND SENT ME ON MY WAY. ONE WEEK LATER IT HAPPENED AGAIN. THE DEALERSHIP AGAIN REPLACED SUSPENSION. THIS ISSUE SEEMS TO HAPPEN EVERY YEAR IN THE SUMMER. I BELIEVE THE HYDRAULIC SEALS USED IN MERCEDES BENZ AIRMATIC SYSTEMS MELT OR SOFTEN IN THE TEXAS HEAT CAUSING THE PARTS TO FAIL/LEAK. IT IS UNSAFE AS IT LEFT US STRANDED WITH CHILDREN MANY TIMES.
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 .