| 1 | 0 | 3 | 4 | 3 | 4 |
Mercedes-Benz GL repairs by problem area
Engine (31%)
Transmission and Drivetrain (3%)
Brakes and Traction Control (2%)
Suspension and Steering (26%)
Electrical and Air Conditioning (24%)
Paint, Rust, Leaks, Rattles, and Trim (7%)
Other (7%)
Chart based on 683 repairs.
Mercedes-Benz GL engine repair cost distribution
$2500+ (8%)
$1000 - $2499 (15%)
$500 - $999 (8%)
$100 - $499 (14%)
< $100 (55%)
Chart based on 155 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2015 Mercedes-Benz GL 4dr SUV
turbocharged 429hp 4.7L V8 7-speed shiftable automatic AWD
| 2000 mi | Check Coolant warning light two days in a row at startup. Drove into the dealership service bay, reported the problem, they topped-up the coolant reservoir with factory-specified coolant and we were on our way. |
| 15000 mi | Low oil warning. Dealership added oil. |
| 4000 mi | A "Check Engine" light came up. Problem traced to the fuel cap sensor. It was resolved (not sure what was done - probably fault codes reset only. |
2015 Mercedes-Benz GL 4dr SUV
turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 10000 mi | Engine mount was leaking oil. Dealer replaced the engine mount and steam cleaned engine compartment. Engine mount was leaking oil. Dealer replaced the engine mount and steam cleaned engine compartment. |
| 27000 mi | Faulty O2 sensor |
| 6000 mi | I took the car in for a simple software flash to correct the bad exposure of the back up camera at night and the dealership put gasoline in my diesel tank. It took them 2 days to flash and 1 day to fix the gas/diesel issue. |
| Ad blue leak at engine. |
| 26000 mi US $182 |
Warning message came on for AdBlue system check. No problem, but had to add Adblue solution. Next time I know to buy and add myself. Instead paying dealer $153 to do it. I thought they would drain and add Adblue. They just added adblue solution. I could have done that myself. I read that dealer adblue service should drain and add adblue solution. Residual adblue solution could crystalize overtime. |
2014 Mercedes-Benz GL 4dr SUV
turbocharged 429hp 4.7L V8 7-speed shiftable automatic AWD w/low range
| 48000 mi | Cooling hose was loose. Replaced hose and fluids. |
| 62000 mi | Valve spring |
2014 Mercedes-Benz GL 4dr SUV
turbocharged 362hp 4.7L V8 7-speed shiftable automatic AWD w/low range
| 45600 mi | antifreeze leak |
2014 Mercedes-Benz GL 4dr SUV
turbocharged 362hp 4.7L V8 7-speed shiftable automatic AWD
| 77000 mi | Motor mounts replaced |
| 46000 mi | Motor mounts replaced due to shuddering at idle. |
| 50000 mi | Driver's side air inlet tube was torn. Replaced by dealer under goodwill as tear likely caused when car was previously serviced. |
2014 Mercedes-Benz GL 4dr SUV
turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 22600 mi | CEL light on. Replaced Soot Particulate sensor. |
| 24000 mi | CEL light on. Replaced EGR sensor |
| 60760 mi C $1800 |
CEL light on. Took to dealer. They tried to look at sensors etc. Upgraded firmware. Total boondoggle. Firmware update broke vehicle computer. Car in safe mode in dealer's mechanical bay for a week. MB Germany writing new code etc. Vehicle in shop for a week. Following all of that - one day after driving home the first time - CEL on again. Took to dealer. New scan - new issues. Now we're told that 2 fuel injectors are faulty and that this is linked to the transmission roughness. New injectors installed. Vehicle has now been running well since return. 8plus days in the shop and why on earth 2 fi would need to be replaced in a vehicle of this low distance traveled is beyond me. |
| 5580 mi | CEL ON and NOX SENSOR Replaced |
| 12000 mi | Replaced faulty exhaust particulate sensor. |
| 64000 mi | DEF tank gasket leak DEF heater failed |
| 46000 mi | Urea Sensor and heater defective, replaced |
| 102000 mi | Timing chain replacement |
| 108000 mi US $5000 |
Diagnosed problem, could not fix it due to lack of parts Had to replace the DEF heater and the DEF pump |
| 112000 mi US $1500 |
Replaced air mass sensor |
2013 Mercedes-Benz GL 4dr SUV
turbocharged 362hp 4.7L V8 7-speed shiftable automatic AWD
| 100000 mi US $3500 |
Coolant all over the floor of my garage |
2013 Mercedes-Benz GL 4dr SUV
turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 46000 mi US $47000 |
The engine blew a cylinder thru the block and destroyed the engine, most attached parts; a/c, alt, torque converter New engine installed |
| 85500 mi | Passenger air flow sensor bad, decided not to replace since Mercedes no longer sells the sensor by itself. One must buy both driver and passenger sensor as well as the housing that contains them. |
2012 Mercedes-Benz GL 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD w/low range
| 70060 mi C $1000 |
Maintenance |
2012 Mercedes-Benz GL 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 49500 mi | Dealer repaired the turbo oil cooler seals (viton) under warranty due to significant oil leak. 22 hours of labor and about $600 of parts (at no cost, but warranty is expiring soon) |
| 54600 mi US $400 |
Timing chain and tensioner were replaced after the chain stretched and was causing a loud grinding noise at startup. |
| 62300 mi US $160 |
NOx sensor was replaced under the Federal 8/80 warranty (no cost). Additionally, they replaced a leaking turbo intake seal to rectify an oil leak ($160) |
| 66000 mi | Downstream NOx sensor replaced under federal emissions warranty |
2011 Mercedes-Benz GL 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 50895 mi US $3795 |
Oil leak from the rear air sealer. |
| 175877 mi US $1200 |
Radiator leak, radiator replaced |
| 183454 mi US $1000 |
Cooling system hoses |
| 57040 mi | Major engine problem which started with timing chain, injector repair, cylinder damage. In end MB performed and engine rebuild. |
2011 Mercedes-Benz GL 4dr SUV
335-horsepower 4.7L V8 7-speed shiftable automatic AWD
| 182000 mi US $300 |
Belt, pulleys and tensioner |
| 185000 mi US $100 |
Oil separator |
2010 Mercedes-Benz GL 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 60000 mi US $3500 |
leaking oil - replaced all seals on top half of engine and turob |
| 70000 mi US $650 |
replaced serpentine belt and tensioner |
| 72500 mi US $5500 |
turbo failing - adblue tank failure (heat) - Mercedes covered all parts out of warranty - i had to head labor |
| 72000 mi US $1600 |
replaced oil temp / coolant temp sensors / replaced battery |
| 17680 mi | Turbocharger oil line replaced due to leak |
2010 Mercedes-Benz GL 4dr SUV
335-horsepower 4.7L V8 7-speed shiftable automatic AWD
| US $208 | Earlier Replaced Idler Pulley was replaced once again under part warranty. Belt drive was also replaced at this point. |
2009 Mercedes-Benz GL 4dr SUV
turbocharged 221hp 3.0L V6 Diesel 7-speed shiftable automatic AWD w/low range
| 105400 mi C $6000 |
Intake failed, needed to replace whole air intake system - known problem with Bluetec engines |
2009 Mercedes-Benz GL 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 35000 mi | Had an oil leak at the heat exchanger from a previous repair. It was covered under warranty. |
| 36100 mi | Car was having issues immediately after 10k service. Would experience episodes of no power. Took it back to the dealership (4 days after service) and found a pinched gasket on turbo intake. Replaced under warranty. |
| 15451 mi | Check Engine light on. Replaced temp sensor. |
| 25462 mi | Temp sensor from NOX replaced |
| 41421 mi US $180 |
Replaced NOx sensor |
| 49841 mi US $1045 |
Oil cooler leak. Oil cooler gaskets replaced. |
| 47000 mi | Ad Blue sensor shorted. |
| 65000 mi | Glow plug failed. Dealer did not have one in stock and it took 3 days to get one. |
2009 Mercedes-Benz GL 4dr SUV
382-horsepower 5.5L V8 7-speed shiftable automatic AWD
| 84000 mi US $1100 |
Computer was throwing a code for charcoal canister valve permanently stuck in the closed position. It was replaced for $640 but the check engine light was still on. Digging deeper, they found they had to replace the fuel pressure sensor--a big job involving dropping the tank. Full cost of repair was about $1100. |
2008 Mercedes-Benz GL
Engine not specified
| 70000 mi US $650 |
Have had severe fuel pump problems that have caused to cease while driving at high speeds; Morristown MB unable to rectify after 4 attempts including replacing fuel pump; Open Road Bridgewater repaired in one day. |
2008 Mercedes-Benz GL 4dr SUV
turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 65000 mi | White Smoke Billowing out of car on highway. Resolution was it was a routine active particulate filter burn - with NO notification to the driver - thought my car was burning up or a blown head gasket. |
| 65300 mi US $950 |
Glow Plug Failure and replacement (6) |
| 96700 mi US $135 |
Glow Plug controller |
| 109100 mi US $15 |
Oil cap. I accidentally got it on crooked, the tech said that it should fit tight enough not to allow that. |
| 35000 mi | oil leak from deep in engine. required much labor and seals and gaskets as well as pipe sockets |
| 35000 mi | Previously reported as"repaired" engine oil leak continued. Dealer claimed there was no leak! Would urge anyone buying a this model to have an extended warranty and be ready for frustration. |
| 58000 mi | Seal on top of the engine also leaking. |
| 87400 mi US $14 |
Oil differential pressure switch replaced. Oil leak repaired, broken oil cap. |
| 97000 mi US $600 |
The car was losing power. I thought it was another fuel pump, but it turned out to be some sensor. |
| 6700 mi | Low oil level. Drove to dealer and refilled with no charge. |
| 15000 mi | ABS/Engine warning lights + skidding occurred. Crankshaft sensor faulty and replaced under warranty. |
| 137000 mi US $3000 |
Replace oil cooler and seals. |
| 75000 mi US $123 |
Glow Plug power module failed. Ordered a replacement from RockAuto and installed it. Problem solved. |
| 76000 mi US $300 |
Issue with small auxiliary battery and then actuator in turbo manifold. |
| 79000 mi US $800 |
Turbocharger flap actuator failed. |
| 94000 mi | #3 cylinder injector leak. Replaced injector and fuel hose. |
| 95000 mi US $2200 |
Turbo seals leaking. |
| 105000 mi US $307 |
Fuel line came loose. Was reclamped and new fuel filter installed. |
| 105300 mi US $1100 |
Replaced motor and transmission mounts. |
| 106000 mi US $1100 |
Replaced glow plugs and control module. |
| 115000 mi US $2400 |
Temp sensor at DPF failed. |
| 170000 mi US $800 |
Replaced oil cooler seals as preventative as they began to have a slow leak, replace water pump, belt and tensioner, both idler pulleys while I was in there. |
| 56000 mi US $2000 |
Power door locks went out, O rings on engine leaking |
| 38000 mi | 2) Oil level sensor needed adjustment to prevent false low oil level indications. No parts needed. |
| 70000 mi | Engine stalled at stop light. Barely started. Drove to dealer next day. Determined to be a crank sensor and was replaced at no charge due to extended warranty. |
| 6000 mi | Small oil leak caused by uninstalled o-ring at the factory. |
| 8000 mi | another leak in engine caused oil to drip onto timing belt, breaking the belt and shutting the engine down on the Interstate Highway. Vehicle hauled to dealer on flatbed for repair. |
| 35000 mi | cam shaft problem reported by check engine light |
| 37000 mi | unknown sensor causing check engine light to illuminate; sensor replaced |
| 75700 mi | Electrical ignition relay replaced. Truck had to be towed on flatbed to dealer. |
| 108000 mi | Leaky oil pump needing full replacement. Also caused damage to servo motors attached to oil pump and other parts. |
| 109300 mi US $500 |
Honestly I cannot remember the exact repair but it was something either to do with the power steering or ignition system. Cost me another $500. |
| 11000 mi | False check oil warnings displayed, despite correct oil level. Oil level sensor and bracket replaced under warranty. |
| 23000 mi | Oil pan leaking from prior oil sensor repair and oil pan replacement |
| 24000 mi | Oil leak |
| 30000 mi | Check engine light and glow plug light illuminated. Dealer found a loose bolt near the glow plug that was creating a short. |
| 59000 mi | Check engine light came on - replaced exhaust pressure sensor. |
| 44000 mi | Check engine light came on and engine died while driving, with loss of power steering. Car had to be towed to dealer, both fuel pumps needed to be replaced. Seems to have resolved issue. |
| 67000 mi | Car was leaking oil due to failed oil cooler. Oil cooler replaced. Exhaust fumes entering the cabin. Replaced faulty exhaust gasket. |
| 68800 mi | Car leaking oil. Oil cooler replaced again. |
| 68000 mi | Car leaking oil again and check engine light on; car in limp home mode. Oil intercooler replaced again and seals replaced. |
| 68800 mi | Oil/Coolant leaking again |
| 1000 mi | M-B insisted on reflash of ECU whenever vehicle appeared in shop. Need for reflash unknown - M-B wouldn't tell. |
| 5000 mi | Improper "check engine oil level at next fillup" message appears often (3-4 time in 70 mi trip). Oil level always OK. Dealer says sensor defect causes message. No new (redesigned) sensors available. Problem is NOT new - 2007 CDI engines often had same ... |
| 15000 mi | False oil level warning appeared sometimes. Oil never low. |
| 24000 mi | C/S Low oil level warning in I/C again. Oil level not too low. Repeat of problem previously 'repaired'. Oil level sensor replaced with sensor with new part number. Oil pan replaced because original oil pan warped when it was removed - too much sealant.. |
| 35000 mi | MORE new software updates for rear SAM module. Newer software available and installed on top of new software previously installed. All values and coding checked out correct both before and after update. |
| 52000 mi US $1671 |
CEL on >2 wks. Local indy couldn't diagnose. Dealer found servomotor failed. This servo drives an air door inside intake manifold [provides engine braking?]. Servo was reported to have failed because oil dripped onto shaft, parts seized. |
| 64000 mi | bolt holding charge air tube (turbo to cooler) in place failed as a result of being replaced during earlier repair to fix intake manifold air regulating servo. Bolt failure allowed tube to move forward and seal blew out at turbo connection. Bolt which had failed was hardened and broken thread could not be removed from intake manifold. Intake manifold replaced as well as all seals. Broken bolt had been replaced during servomotor repair. Told dealer that used bolts NOT be replac |
| 76000 mi | CEL appeared. 1st trip to dealer found that diff pressure sensor at DPF filter failed high. Sensor replaced. Fault would not clear. New DPF ordered. 2nd trip DPF replaced. Same day CEL reappeared. 3rd trip found temp sensor found unplugged during DPF repair and not plugged back in. |
| 95000 mi US $3000 |
Bad oil leak from center of engine rear. O ring seals to oil cooler had failed - a defect known to Mercedes and the subject of a TSB. Dealer replaced seals with new design. |
| 100000 mi US $65 |
Car stopped without warning while driving. After waiting, car started and ran normally but with MIL set (check engine symbol). Dealer ran diagnostic on fuel system and determined MIL was due to low fuel pressure. Fuel filter was NOT plugged. |
| 80000 mi | temp exhaust sensor replaced |
| 15000 mi | Oil pan leaked due to incorrect gasket used in dealer prep; replaced gasket Rough downshift (repaired under warranty with factory spec computer download) |
| 19000 mi | Fuel pump faulty. Engine shutting off intermittently. |
| 30300 mi US $350 |
leaking oil |
| 32000 mi | Car loses oil. Recurring problem. Each time I replace lost oil, the oil cap fails and spews oil on engine until warning light comes on. |
| 38000 mi | engine was leaking oil around the oil separator seal at the turbo charger port. seal needed replacing. |
| 40000 mi | turbo intake seal leaking, had to order part turbo intake seal replaced and oil spillage over engine was cleaned up now turbo oil separator seal leaking oil down side of engine onto exht. pipe Heat shield and exhaust particulate filter rattling and leaking exhaust. |
| 38500 mi US $400 |
engine oil cooler broke, leaking oil, effect: rising engine heat and yet another mess on the garage floor from the most unreliable and problematic vehicle I have ever ever owned! |
| 14000 mi | Leaky oil tube and diesel fuel line |
| 22000 mi | Replaced fuel pump. |
2008 Mercedes-Benz GL 4dr SUV
382-horsepower 5.5L V8 7-speed shiftable automatic AWD
| 6000 mi | Electrical codes #2193 and #0436. Replaced right 02 sensor which controls the right side heater. |
| 40000 mi US $750 |
Check engine light and fuel low warning when fuel not low. Dealer replaced hose and carbon filter in fuel system. |
| 52000 mi US $800 |
Camshaft sensor (one of two bad) |
| 22000 mi | Oxygen Sensor causing Check Engine Light to come on. Door Handle loose, needed to be secured. |
| 25000 mi | Faulty Fuel Pump |
2008 Mercedes-Benz GL 4dr SUV
335-horsepower 4.7L V8 7-speed shiftable automatic AWD w/low range
| 23560 mi | Camshaft solenoid needed replacement |
| 23560 mi | Camshaft Solenoid Problem recurred on other side of engine (according to Dealer). |
| 36580 mi C $2000 |
Radiator was replaced. Cooling system between power steering and engine coolant failed and fluids passed from one system to the other. Ongoing cross-contamination.. still talking to dealer. |
| 37820 mi C $400 |
Coolant system filler tank ruptured and needed replacement. |
| 19000 mi | Recall for some faulty sensors that caused check engine light to come on. |
| 35000 mi | Oil plugs had a slight leak, replaced them. |
| 50300 mi US $1700 |
2 camshaft sensors replaced |
| 67000 mi US $2900 |
Check engine light was on. Camshaft sensors needed to be replaced. |
| 59000 mi US $750 |
Camshaft sensors replaced |
| 26000 mi | Driver's side pre-catalytic converter O2 sensor short caused "Check Engine" light to illuminate. Replaced by dealer under warranty at no cost. Driver's side pre-catalytic converter O2 sensor short caused "Check Engine" light to illuminate. Replaced by dealer under warranty at no cost. |
| 55000 mi US $360 |
Cam magnets needed replacing, which illuminated the "Check Engine" light. Replaced in 3 hours. |
2008 Mercedes-Benz GL 4dr SUV
335-horsepower 4.7L V8 7-speed shiftable automatic AWD
| 66000 mi US $170 |
replaced camshaft position sensor |
2008 Mercedes-Benz GL 4-door
turbocharged 6-cylinder diesel automatic AWD
| 41700 mi | 3 fuel injectors failed. |
| 50000 mi | Engine developed ticking noise. Dealer confirmed the noise, replaced all injectors, problem not solved. Dealer then claimed noise is normal. |
2007 Mercedes-Benz GL
Engine not specified
| 22000 mi | Able to get the new parts. Installed and the problem is gone. |
2007 Mercedes-Benz GL 4dr SUV
turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 2000 mi | towed to dealer, intercooler hose replaced |
| 15000 mi | bad fuel pump. wrong part arrived at dealer twice. towed to dealer, fuel pump replaced |
| 81000 mi US $1250 |
CEL was coming on and the car turned off multiple times while driving. CEL would turn off after a day. Took car to dealer. Dealer could not replicate the problem. Nothing was fixed on the car but it does run normally at the present time. |
| 81000 mi | Vehicle intermittantly shuts down. Fuel pump was replaced but it did not solve the problem. Dealer could not find cause of problem. Vehicle traded in. |
| 53500 mi | Serpentine belt broke due to harmonic balancer failing. MBUSA reviewed bill and part on request and paid completely even though out of warranty. It was due to defective part. |
| 84500 mi US $239 |
Oil Cooler seals leaking. Remove and replace. |
| 140500 mi US $950 |
Radiator developed a leak and had to be replaced. |
| 1500 mi | new intercooler hose installed per factory directive |
| 6000 mi | turbo intercooler hose becoming detached |
| 6000 mi | turbo intercooler hose issue. vehicle was bought back by Mercedes on 6/27/2007 |
| 20000 mi | Oil sensor was showing low oil even though oil was full. Software reflash solved problem. |
| 64000 mi | Car stalled while driving multiple times. Replaced crankshaft position sensor. |
| 65200 mi US $1000 |
Fuel pump intermittent failure. |
| 78700 mi US $600 |
Glow Plug Control Module failure. Replaced |
| 3000 mi | Hose on turbocharger blew off in the mountains of Colorado on Mother's Day, forcing my wife to manually-shift the truck (full of kids and dogs) all the way back to the Phoenix area. When I picked it up the next day, it blew off again, but not since. |
| 83000 mi US $2979 |
Turbocharger failed, erratic driving followed by limp mode. This vehicle had the intercooler hose failure three or four times but supposedly that's unrelated. Broken bolts on removal extended repair time (shop broke them). |
| 5185 mi | Complained that trans upshift SOMETIMES did not function as expected given similar load-speed conditions. Dealer diagnosed, "no DTCs, no newer DTC software available, No correction required". No time to install newer ECU software just available. |
| 8341 mi | Visit to install new ECU software. Software installed. No effect on upshift 'hanging' problem. Dealer test drove w/ instrumentation attached and agreed that "adaptation" settings/results were wrong for transmission. Performed adaptation, no effect on prob |
| 9814 mi | Visit to install another new valve body. Installation/adaptation successful. At this same visit, dealer replaced under warranty the processor card for the COMAND NAV system. System had sometimes told driver to make a 'U-Turn' before destination was reache |
2007 Mercedes-Benz GL 4dr SUV
335-horsepower 4.7L V8 7-speed shiftable automatic AWD w/low range
| 45000 mi | ignition cylinder would lock and not turn properly with both key fobs. part replaced under warranty |
| 31000 mi | Engine low coolant appeared on and off. Apparently loose sensor found. |
| 31200 mi | Top off coolant light comes on repeatedly. |
2007 Mercedes-Benz GL 4dr SUV
335-horsepower 4.7L V8 7-speed shiftable automatic AWD
| 25000 mi | Cam shaft sensor caused check engine light to come on. Dealer replaced sensor. |
| 29000 mi | Camshaft magnet sensor, again, went out. I guess there are 4 total, I have now replaced 3. I'm sure I'll be heading in again one more time. |
| 26000 mi | Camshaft sensor failed. |
| 15000 mi | Check engine light came on... "#x cylinder not firing" message. Took to dealer in Charlottesville, VA over X-mas break. I believe they did a reset but unable to fully reproduce the problem. We have been prblem free as of 1/3/08. K Beltran Raleigh, NC Warranty claim- engine check light came on over X-mas Holiday. One cylinder not firing. Dealer replaced overcoil / leads. Problem resolved as of 12/28/07 |
| 26000 mi | CEL came on... dealer replaced cam position sensor... 1 week later problem re-appeared... fuel injector replaced... it has been 3 weeks with no issue... problem presumably resolved... |
| 45000 mi | Oil leak at cylinder valve (test port)? SA admitted it was a chronic issue. Part was repaired while new part was put on order. Cylinder head port plug (not spark plug) failed causing oil to leak out. Nuisance defect. Dealer 'repaired' /patched plug while in the interim of getting new parts on b/o. Will repair under warranty |
| 47000 mi | While taking in for PM, I observed a Power steering fluid leak, MB replaced hose / clamp under warranty, problem has not recurred. |
| 50700 mi | Check engine light... looked up code and got a 'fuel too rich' code. Dealer diagnosed problem to be one of the O2 sensors. Replaced under extended warranty... |
| 49000 mi | cam timing sensor replaced under warranty |
| 50000 mi | after rough idle at start up, engine light came on. Diagnosis was bad fuel. Dealer reset light and found no problems. |
| 41000 mi | Had a minor oil leak on one of the gaskets, not enough to even register low oil. |
| 58000 mi | overheated. thermostat replaced. |
| 104000 mi US $1000 |
Intake Manifold tumbler flap Water pump, thermostat, utility belt, pulleys (2x). The thermostat kicked-off the cycle. Once that was replaced, the water pump displayed symptoms, and the rest followed. |
| 5585 mi | Car began running rough, check engine light came on and eventially would not start. New software for engine and transmission computers added. |
| 23000 mi | Took in to fix oil leak. It was in the shop for four days and seamed to go away. Still leaves oil stains in my garage. I will be taking to the shop again for the fourth time this week. Will report the outcome. They did fix the blown speaker. |
| 23000 mi | Still has oil leak. Tire pressure light comes on and tire appears to slowly lose air. I will take the car in this week for the fifth time in three months. Loathe this car. |
| 206000 mi US $1800 |
Replaced intake flap mechanism. Replaced cam magnetic pickup, Proactively changed crank position sensor. |
| 238000 mi US $150 |
Replacing can magnets and sensors again. Mechanic feels it is a defective VVT cam sprocket. |
| 37409 mi US $186 |
Cam plugs leaking |
| 56500 mi US $1000 |
Replace Cam Plugs and Centrifuge |
| 67400 mi US $400 |
Replace thermostat |
| Oil leak |
| 102000 mi | Check engine light |
| 60000 mi | Engine oil leak cured by replacing three camshaft plugs in cylinder head. False low engine oil warning message cured by replacing oil level sensor. |
| 79000 mi | Replaced crankshaft position sensor Stored code indicated problem with transmission ECM although no symptoms obvious to driver. |
| 89300 mi US $1500 |
Fuel guage inaccurate. Replaced both fuel senders and fuel pump. Problem fixed. |
| 36000 mi | Transmission got stuck in one gear and only reset after turning off ignition. Happened three times. They could not replicate or find a fault code but updated the software. Has happened once since and waiting to drive to dealer while it is occuring |
| 39000 mi | Previous problem with transmission. Left vehicle with the dealer and they were able to replicate the problem and fix. |
| 62000 mi | Loud noticeable thumping engine noise prompted us to take the truck to the dealership and after 60 days (and counting), we are now told that we will get a new engine! |
2007 Mercedes-Benz GL 4-door
turbocharged 6-cylinder diesel automatic AWD
| 10000 mi | intercooler hoses replaced with updated versions (diesel engine) |
| 14000 mi | Check engine light came on, GL shut down. Restarted and drove but check engine light remained. Took in next day for service. Part ordered from Germany so Gl sat for 4 full business days before part arrived. New part was fuel rail (diesel). |
2007 Mercedes-Benz GL 4-door
turbocharged 6-cylinder diesel automatic 4WD
| 31620 mi | Air mass sensor replaced. Apparently a factory fault. Part modification. |
| 63240 mi | Pressure regulating valve, crankcase ventilation leaks, air filter element blocked |
| 89900 mi R 240 |
Water entered the well area below passenger seat where the electronics are housed. All shorted out. Source of water leak not determined. |
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