How do you replace an auxiliary battery in a Mercedes Benz?
Use a trim removal tool to pry off the fuse box access panel (1) on the side of the dash. Remove the Phillips screws on the lower dash panel (2), and detach it. With your ratchet and socket, remove one bolt (5) from the panel covering the auxiliary battery (G1/7).
How does the auxiliary battery control module work?
The battery control module monitors system voltage. If voltage reaches a low point, the auxiliary battery relay closes to connect the battery to the vehicle fuse blocks. Remember that your car may have been serviced before and had parts replaced with different size fasteners used in the replacement.
How do you remove an auxiliary battery from a mower?
With your ratchet and socket, remove one bolt (5) from the panel covering the auxiliary battery (G1/7). Behind the panel, unbolt the bracket (3) holding up the battery. Disconnect the positive and negative leads (6) from the battery.
When to replace the auxiliary battery in a car?
T hat’s because the car has detected that the auxiliary or the primary battery in trunk have low voltage. You could either have a system that drains your battery when the car is parked or one of the batteries is failing. If the car starts fine, there is no hesitation on starting, we would recommend replacing the auxiliary battery.
Where is the auxiliary battery in a Mercedes Benz?
The auxiliary battery is located in the right side of the engine compartment, near the HVAC intake. To replace it, begin by removing the 10mm plastic nut from the cabin microfilter lid (green arrow). Lift and remove the cabin microfilter lid from the HVAC intake.
How to replace battery in Mercedes-Benz E class?
Mercedes-Benz E-Class and E-Class AMG: How to Replace Main and Auxiliary Batteries Step 1 – Locate the rear battery. The rear battery is located underneath the lower interior trunk panel and spare tire… Step 2 – Disconnect the vent tube and battery cables. Disconnect the vent tube (see Figure 1)
With your ratchet and socket, remove one bolt (5) from the panel covering the auxiliary battery (G1/7). Behind the panel, unbolt the bracket (3) holding up the battery. Disconnect the positive and negative leads (6) from the battery.
The battery control module monitors system voltage. If voltage reaches a low point, the auxiliary battery relay closes to connect the battery to the vehicle fuse blocks. Remember that your car may have been serviced before and had parts replaced with different size fasteners used in the replacement.