300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987)
Technical Service Bulletin # 54_038
Date: 931001
General Information
TO: OUR MERCEDES-BENZ PASSENGER CAR DEALERS
DATE: Oct. 1993 (supersedes S.I. MBNA's 54/22, 54/29a & 54/34a)
REF. NO. MBNA 5438
SUBJECT:
ALL MODELS
BATTERY CARE
1.
Servicing The Battery In The Vehicle
2.
Testing
3.
Charging
4.
Maintenance Of Batteries In Dealer Lot Vehicles
5.
Storage And Maintenance Of Batteries In Spare Parts Inventory
6.
Returning Used Batteries For Recycling
7.
Battery Safety
8.
Warranty
This S.I. contains complete information on factory approved battery handling and care procedures. For additional information concerning battery
procedures please refer to the following S.I.'s:
MBNA
54/32 Battery Service Record form (Mar. 1990),
MBNA
54A0 Battery Jump-starting and Charging (Nov. 1992),
MBNA
54/41b Battery Master Disconnect Switch (Oct. 1993).
It is mandatory for ALL dealers to:
^
maintain the batteries in dealer lot vehicles and to record this maintenance on the Battery Service Record form (S-2470-000),
^
properly complete a Battery Test Sheet (S-2392-B92) for every battery replaced under warranty and to maintain a copy of the test sheet in the
vehicle's service file,
^
keep the battery master disconnect switch turned OFF and installed until retail delivery of the vehicle.
ALL Mercedes-Benz batteries must be handled in accordance with the procedures contained within this Service Information. Failure to follow these
instructions may affect warranty reimbursement or result in warranty claim denial or account debiting.
Please advise ALL appropriate personnel of these procedures. Direct any questions to your Field Service Manager.
WARNING!
Battery electrolyte contains sulfuric acid. Observe all safety precautions.
1. Servicing the Battery In the Vehicle
When servicing the battery in the vehicle, follow these precautions:
1.1.
Wipe dirt, leaves, etc. off of the battery before opening the vent caps. This is especially important for the low-maintenance battery since no
protection against contamination is provided. Contamination could damage the battery.
1.2.
Use the correct tools for the job; terminal end puller, correct size wrench, cleaning brush, etc. Extreme caution must be used to prevent metallic
tools or objects from shorting across the battery terminals, or from the positive e terminal to ground.
1.3.
Always remove the negative - terminal first and reconnect it last.
1.4.
Ensure that the hold-down clamp is properly positioned and tightened.
1.5.
Disconnect the negative - terminal when charging the battery (please refer to S.I. MBNA 54/40 for additional information).
1.6.
Inspect the area surrounding the battery for spilled electrolyte. neutralizing the spill if necessary (using baking soda solution or commercially
available pre-mixed solutions).
2. Testing
2.1.
There are two reasons for testing a battery. First, to find out if the battery is good or bad (serviceability); Second, to determine how much