The MAHLE M40 system requires regular maintenance and some components are prone to wear. To ensure proper operation, perform regular maintenance. For replacements, contact your local dealer.
Cranks and transmission
The M40 motor uses cranks with ETOR interface. Respect the manufacturer’s torque specifications. The lockring must also be tightened correctly; if loose, contact your dealer.
Speed sensor
Check that the sensor disc is properly tightened:
6.2 Nm for 6 bolts
40 Nm for centerlock The holder screw must be ≤1 Nm.
Maintenance of battery, motor, Head Unit+ and TRIO
Avoid handling components after prolonged use or extreme conditions (>60ºC according to Bosch).
Battery
Internal batteries must only be replaced or handled by official MAHLE service. Contact your dealer, as additional steps (battery activation) may be required.
NOTICE
Remember that a battery is considered a The components of MAHLE SmartBike Systems require specific software activation. Pay special attention when replacing the motor, the battery, or the Control Unit. In any case, such replacements must only be carried out by professional mechanics. good.
Motor
The MAHLE M40 motor does not require user maintenance of the internal mechanisms. Please note that the MAHLE warranty does not cover additional elements such as the transmission or cranks, only the motor. If you have any issues with the transmission or cranks, contact the manufacturer of your eBike directly.
Head Unit+
The Head Unit+ does not require any maintenance. Contact technical service if any manipulation or replacement is necessary.
Maintenance and cleaning
Do not clean any components with high-pressure water.
Keep the display of your on-board computer clean. Dirt may affect the brightness of the display.
To clean the on-board computer, use a soft cloth dampened only with water. Do not use cleaning agents.
You should have your eBike system checked at least once a year (including the mechanical system and system software updates).
In addition, the bicycle dealer may use mileage and/or a time interval as a basis for determining the service date. In this case, the on-board computer will show you the service due date when it is switched on.
For service or repairs on the eBike, contact an authorized bicycle dealer.
► Have all repairs carried out only by an authorized bicycle dealer.
Note: When taking the eBike to a bicycle dealer for maintenance, it is recommended to temporarily deactivate “eBike Lock” and “eBike Alarm” to avoid false alarms.
Customer service and technical support
If you have any questions about the eBike system and its components, contact an authorized bicycle dealer.
Contact details of authorized bicycle dealers can be found at www.bosch-ebike.com.
TRIO
The wireless TRIO remote operates with a CR1632 coin cell battery, which must be replaced when it is depleted. Information about the battery status is also available in the menu under “Head Unit+ Settings > Accessories” or in the MySmartbike app. The TRIO has a small LED on the side that indicates the status of the coin cell battery:
| SOC | LED Color | Comments |
|---|---|---|
| More than 80% | WHITE flashing when connecting to Head Unit+ | |
| Between 50% and 79% | GREEN flashing when connecting | |
| Between 20% and 49% | ORANGE flashing when connecting | |
| Below 20% | RED flashing when connecting. Additionally, every 10 button presses, it flashes RED | Recommended to replace the battery |
The TRIO switches off automatically when the Head Unit+ is turned off.
Required tools
Fixing screw: 1 hexagonal M3x8 DIN 912
Battery compartment screw: 1 Torx M1.6
Coin cell battery: 1 CR1632
The battery is designed to last more than 2 years under normal use (~500 hours of use at normal temperatures >10ºC and <30ºC).
Steps to replace the coin cell battery
Remove the TRIO from the handlebar (follow torque instructions when reinstalling).
Remove the rubber protection.
Unscrew the battery compartment screw.
Open the battery compartment (avoid using tools that may damage the housing). ⚠️ Warning: ensure that the O-ring is placed in the battery compartment before reassembly to guarantee sealing.
Insert the new coin cell battery and reassemble. ⚠️ Warning: carefully follow the installation instructions and ensure that the tightening force of the fixing screw is within the defined limits. Avoid damage. Note: If the TRIO was already paired with a Head Unit+, changing the coin cell battery does not affect this pairing and everything should work again once reassembled.
Screw maintenance
It is important to frequently check the tightening torques of the system screws:
Battery mounting to the frame
Motor fixing screws
Crank tightening
Tightening torque of the control unit and remote screws
Tightening torque of the speed sensor holder
You can consult the recommended torque values here.
