TL* THE CONTACT OWNS A 2007 MERCEDES BENZ S550. THE CONTACT STATED THAT WHILE DRIVING AT 45 MPH, THE VEHICLE BEGAN TO LOOSE POWER AND SUDDENLY STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE CONDUCTOR PLATE AND VALVE BODY FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BUT THE FAILURE RECURRED AT 100,000 MILES. THE MANUFACTURER WAS NOT NOTIFIED…
2007 Mercedes-Benz S-Class powertrain problems
severe 14 complaints filed with NHTSA · avg repair $2,500
Complaints
14
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 3 most recent
VEHICLE GOES IN LIMP MODE ALL MERCEDES S550 2007 MODEL HAVE THE SAME PROBLEM
IN REPEATED INCIDENTS, DEPRESSING THE ACCELERATOR IN MY 2007 MERCEDES BENZ S600 HAD NO EFFECT. I WAS, FOR EXAMPLE, LEFT ADRIFT IN HEAVY FREEWAY TRAFFIC, WITH SEMI-TRAILERS WHIZZING BY AND NO WAY TO ACCELERATE--PURE INERTIA WAS CARRYING THE CAR FORWARD. MERCEDES BENZ'S LARGEST NORTHERN CALIFORNIA DEALER, AUTOBAHN, WAS UNABLE TO FIX THE PROBLEM FOR MONTHS, EVEN AFTER ADVISING ME THAT THEY WERE "CONF…
Common questions
How serious is the powertrain problem on the 2007 Mercedes-Benz S-Class?
It's a meaningful issue. 14 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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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