2006 Mercedes-Benz R350: Reliability Data

Source: NHTSA — 131 complaints
131
Total Complaints
80,000mi
Median Mileage
SUSPENSION
Top Issue
2
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

55,000 25th Percentile
80,000 Median Mileage
98,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SUSPENSION
26
ENGINE
17
ELECTRICAL SYSTEM
13
ENGINE AND ENGINE COOLING
10
POWER TRAIN
10
SEATS
8
EXTERIOR LIGHTING
7
ENGINE AND ENGINE COOLING:ENGINE
5
STEERING
5
UNKNOWN OR OTHER
4

Severity Assessment

2
Crashes
14
Fires
4
Injuries
0
Deaths

Sample Complaint Reports

"DT*: THE CONTACT STATED WHILE DRIVING FOR AN EXTENDED PERIOD OF TIME, THERE WAS A TAPPING NOISE FROM THE ENGINE COMPARTMENT AREA. THE VEHICLE WAS SEEN BY A DEALER FOR INSPECTION WHO DETERMINED THERE WAS A PROBLEM WITH THE FUEL INJECTION SYSTEM AND THIS WAS REPLACED. AFTERWARDS, WHILE APPLYING BRA..."
"DT*: THE CONTACT STATED WHILE DRIVING FOR AN EXTENDED PERIOD OF TIME, THERE WAS A TAPPING NOISE FROM THE ENGINE COMPARTMENT AREA. THE VEHICLE WAS SEEN BY A DEALER FOR INSPECTION WHO DETERMINED THERE WAS A PROBLEM WITH THE FUEL INJECTION SYSTEM AND THIS WAS REPLACED. AFTERWARDS, WHILE APPLYING BRA..."
"MY WIFE DROVE OUR MERCEDES BENZ R350 TO A FRIENDS HOUSE TO DROP OFF THE KIDS. UPON STOPPING ON THE DRIVEWAY MY WIFE SHUT THE CAR OFF (KEY IN OFF POSITION) GOT OUT AND WENT TO THE PASSENGER SIDE TO HELP MY DAUGHTER OUT OF THE THIRD ROW. AT THAT SAME TIME MY SON EXITED THE VEHICLE AND WAS STANDING O..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28