"How reliable is the 2006 Mercedes Benz R500?"

"Based on 35 NHTSA complaints, the 2006 Mercedes Benz R500 has a median complaint mileage of 91500 miles. The most common issue is STEERING."

"What are common problems with the 2006 Mercedes Benz R500?"

"The most frequently reported component in NHTSA complaints for the 2006 Mercedes Benz R500 is STEERING, accounting for a significant portion of the 35 total complaints filed."

2006 Mercedes Benz R500: Reliability Data

Source: NHTSA — 35 complaints

Total Complaints

91,500mi

Median Mileage

STEERING

Top Issue

Crash Reports

When Do Complaints Happen?

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

49,750 25th Percentile

91,500 Median Mileage

114,750 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STEERING

ELECTRICAL SYSTEM

POWER TRAIN

SUSPENSION

SEATS

SERVICE BRAKES, HYDRAULIC

UNKNOWN OR OTHER

AIR BAGS

POWER TRAIN:AUTOMATIC TRANSMISSION

VEHICLE SPEED CONTROL

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"AT COMPLETE STOP AT STOP LIGHT WITH BRAKE FULLY DEPRESSED THE TACHOMETER SHOWED SEVERAL REPEATED INCREASES IN RPM FROM 600-800 CAUSING THE CAR TO ROCK THEN THE CAR ACCELERATED TO 2200 RPM ACTIVATING THE ANTILOCK BRAKING SYSTEM. THIS HAS RECURRED ON AN INTERMITTENT BASIS FROM THE 6-1100. THIS IS IN C..."

"TL*THE CONTACT OWNS A 2006 MERCEDES R500. THE CONTACT STATED THAT THE DRIVER WAS TRYING TO PARK THE VEHICLE WHILE DRIVING 5 MPH AND THE VEHICLE SUDDENLY ACCELERATED. THE VEHICLE CONTINUED TO ACCELERATE UNTIL IT CRASHED INTO A TREE. THE CONTACT DIDN'T MENTION ANY INJURIES. NONE OF THE AIR BAGS DEPLOY..."

"AIR MATIC SUSPENSION MALFUNCTION ERROR MESSAGE WITH NO CODES. CAR HAS BEEN IN AND OUT OF DEALERSHIP FOR PAST YEAR FOR THIS ISSUE. DURING HIGHWAY DRIVING CAR ISSUED WARNING THAT CAR HEIGHT WAS TOO LOW FOR DRIVING, MANUAL READ TO PROCEED WITH CAUTION. ONCE PARKED AND OFF, THE CAR COMPLETELY DROPPED..."

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