YearToAvoid

2006 Mercedes-Benz R350 Engine Problems

NHTSA has 35 owner complaints about engine problems in the 2006 Mercedes-Benz R350, 35% of all 99 complaints for this model year. That is the highest engine complaint count among 7 R350 model years. These complaints report 1 fire. Median mileage at failure: 80,000 miles.

Engine complaints
35
35% of 99 complaints
All complaints this year
99
Crashes reported
0
Fires reported
1
Injuries reported
0
Median mileage
80,000 mi
Related recalls
0

When 2006 Mercedes-Benz R350 engine complaints were filed

First complaint Oct 7, 2009, latest Jun 20, 2022.

2006 Mercedes-Benz R350 engine complaints: complaints filed per month4Oct 2009Jun 2011Oct 2011Jul 2012Oct 2014Jul 2016Jun 2022
35 complaints filed with NHTSA from Oct 2009 to Jun 2022; peak Feb 2011 (4).

Engine recalls for the 2006 Mercedes-Benz R350

No safety recalls on record for this model year.

Engine complaints by R350 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200635 (35%)
  2. 200710 (21%)
  3. 20085 (14%)
  4. 20091 (7%)
  5. 20102 (15%)
  6. 20111 (6%)
  7. 20121 (13%)

Frequently asked questions

Does the 2006 Mercedes-Benz R350 have engine problems?
NHTSA has 35 owner complaints about the engine in the 2006 Mercedes-Benz R350, 35% of all complaints for this model year. Median mileage at failure is 80,000 miles.
Which Mercedes-Benz R350 year has the most engine complaints?
The 2006 Mercedes-Benz R350 has the most engine complaints (35), compared with 35 for the 2006.
Is there a engine recall for the 2006 Mercedes-Benz R350?
No NHTSA recall campaign for the 2006 Mercedes-Benz R350 is classified under engine. Complaints alone do not trigger a recall; check the full recall list and your VIN.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.