TL* THE CONTACT OWNS A 2008 MERCEDES-BENZ GL450. THE CONTACT BOUGHT THE VEHICLE TWO MONTHS AGO. WHILE DRIVING, THE VEHICLE SHUT OFF SUDDENLY. THE VEHICLE HAD TO BE TRAVELING AT A HIGH RATE OF SPEED IN ORDER TO BE COASTED SAFELY TO THE SIDE OF THE ROAD. THE CONTACT CALLED FERGUSON SUPERSTORE (1601 N ELM PL, BROKEN ARROW, OK 74012, (918) 258-1800) AND WAS INFORMED THAT THEY DID NOT HAVE THE TOOLS TO…
2008 Mercedes-Benz GL-Class engine problems
moderate 4 complaints filed with NHTSA · avg repair $3,100
Complaints
4
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 2 most recent
THE CAR BROKE IN THE MIDDLE OF THE 45 MPH ROAD IN A VERY DANGEROUS INTERSECTION. TOWED THE CAR TO DEALER AND THEY TOLD ME THE ENGINE IS COMPLETELY DAMAGED AND NEED TO BE REPLACED. THEY TOLD ME THE TIMING CHAIN GOT LOOSE AND WILL COST ~$15K TO REPLACE THE DAMAGED ENGINE.
Common questions
How serious is the engine problem on the 2008 Mercedes-Benz GL-Class?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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