WORN TIMING SPROCKET AND BALANCE SHAFT WAS DEFECTIVE WHEN I PURCHASE THE VEHICLE IN 2011. MERCEDES BENZ KNEW ABOUT THIS DEFECTIVE PART AND DID NOT INFORM ME. THE VEHICLE HAD 46000 MILES ON IT AT THE TIME. IF I WAS INFORM ABOUT THIS PROBLEM I WOULDN'T HAVE BOUGHT IT. I BELIEVE THIS IS A VIOLATION OF THE CONSUMER PROTECTION ACT. *TR
2007 mercedes-benz S-Class engine problems
moderate 9 complaints filed with NHTSA · avg repair $3,100
Complaints
9
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 4 most recent
TL*THE CONTACT OWNS A 2007 MERCEDES BENZ S350. WHILE DRIVING APPROXIMATELY 5 MPH ONTO AN EXIT RAMP, THE ENGINE DECREASED IN POWER AND HESITATED. THE FAILURE OCCURRED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER, BUT THE FAILURE COULD NOT BE DUPLICATED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER ON THREE SEPARATE OCCASIONS FOR THE SAME FAILURES, BUT THERE WERE NO RESOLUTION…
TL*THE CONTACT OWNS A 2007 MERCEDES S550. WHILE DRIVING 40 MPH HE HEARD A RATTLING NOISE FROM THE FRONT-END OF THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER, AND THE MOTOR MOUNTS WERE REPLACED BECAUSE THEY FRACTURED. THE MANUFACTURER WAS NOTIFIED, AND A REPRESENTATIVE STATED THAT THE THERE WAS NO RECALL RELATED TO THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE AND CURRENT MILEAGES WERE 50,…
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ S550. WHILE DRIVING 60 MPH, THE ODOR OF FUMES EMITTED THROUGH THE VEHICLE AND MADE THE CONTACT NAUSEOUS. MEDICAL ATTENTION WAS NOT RECEIVED. THE CONTACT CALLED OLYMPIA PRE OWNED AUTO (1806 WAKE FOREST RD, RALEIGH, NC 27608, (919) 301-8551) AND WAS INFORMED THAT THEY WOULD CALL HER BACK. THE VEHICLE WAS NOT TAKEN TO A MERCEDES-BENZ DEALER OR INDEPENDENT MEC…
Common questions
How serious is the engine problem on the 2007 mercedes-benz S-Class?
It's a documented issue but not catastrophic. 9 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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