2006 Mercedes-Benz Cls500 fuel system problems
The 2006 Mercedes-Benz Cls500 has 23 fuel system complaints filed with NHTSA — 31% of the year's total, and up sharply from the prior model year.
23
Fuel System complaints
31%
Share of year
0
Crash-involved
0
Related recalls
Fuel System complaints by year
What owners report
“WHEN FUEL TANK IS FILLED COMPLETELY THERE IS AN EXTREMELY STRONG ODOR OF GASOLINE INSIDE AND OUTSIDE CAR. FUEL PUMP HAS BEEN REPLACED AND THE FUEL TANK SEALS HAVE BEEN REPLACED MULTIPLE TIMES WITH NO IMPROVEMENT. GAS CAP WARNING LIGHT NOW COMES ON INTERMITTENTLY AND CHECK ENGINE LIGHT REMAINS ON.…”
Common questions
How many fuel system complaints does the 2006 Mercedes-Benz Cls500 have?
NHTSA has 23 complaints about the 2006 Mercedes-Benz Cls500 fuel system — 31% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.