446 Technical dataFuels, coolants, lubricants, etc.Engine oils
Engine oils are specifically tested for their 
suitability in our engines and durability for 
our service intervals. Therefore, only use 
approved engine oils and oil filters re-
quired for vehicles with Maintenance 
System (U.S. vehicles) or FSS (Canada 
vehicles). For a listing of approved engine 
oils and oil filters, refer to the Factory Ap-
proved Service Products pamphlet, or con-
tact an authorized Mercedes-Benz Center.
Engine oil additives
Do not blend oil additives with engine oil. 
They may damage the engine.
Damage or malfunctions resulting from 
blending oil additives are not covered by 
the Mercedes-Benz Limited Warranty.Air conditioning refrigerant
R-134a (HFC) refrigerant and special PAG 
lubricating oil are used in the air condition-
er system.
Never use R-12 (CFC) or mineral-based 
lubricating oil. Otherwise damage to the 
system will occur.
Model
Capacity
Fuels, coolants, lubricants, etc.
Air conditioning system
R-134a refrigerant and special PAG lu-
bricant oil (never R-12)
Hydraulic system for retractable hardtop
0.42 US qt (0.4 l)
MB Hydraulic Fluid
Windshield washer and headlamp cleaning system
7.4 US qt (7 l)
MB Windshield Washer Concentrate
1
1Use MB Windshield Washer Concentrate “S” and water for temperatures above freezing or MB Windshield Washer Concentrate “S” and commercially available pre-
mixed windshield washer solvent/antifreeze for temperatures below freezing. Follow suggested mixing ratios (page 452).
!
Using engine oils and oil filters of specifica-
tion other than those expressly required for the 
Maintenance System (U.S. vehicles) or FSS 
(Canada vehicles), or changing oil and oil filter at 
change intervals longer than those called for by 
the Maintenance System (U.S. vehicles) or FSS 
(Canada vehicles) will result in engine or emis-
sion control system damage not covered by the 
Mercedes-Benz Limited Warranty.
Please follow Maintenance System 
(U.S. vehicles) or FSS (Canada vehicles) recom-
mendations for scheduled oil changes. Failure to 
do so could result in engine or emission control 
system damage not covered by the 
Mercedes-Benz Limited Warranty.