500SL (129.067) V8-5.0L (119.960) (1990)
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Washer Fluid Heater: Technical Service Bulletins
Windshield Washer Fluid Heater - Checking For Corrosion
TO:
OUR MERCEDES-BENZ PASSENGER CAR
DATE:
April 1990
SUBJECT:
CHECKING RETAINING NUT ON WINDSHIELD WASHER HEATER FOR CORROSION MODEL R129
REF.NO. MBNA 82/44
Effective Serial Number
Model
Chassis End Number
From
To
R129
F 000001
F 003406
Note:
Vehicles with a red paint dot on top of the windshield washer reservoir do not need to be checked.
Figure 1
1.
Pull electrical plug (1, Figure 1) from washer reservoir level indicator.
2.
Unscrew knurled nut and washer (2). Lift out reservoir.
3.
Unclip hose clamp (3).
Figure 2