SIXT (USA): deposit not returned

SIXT releases the deposit hold shortly after return; the bank then takes several business days.

ACredibility A · last verified 2026-10-12 · 100% official or government sources

What does this mean?

Grade A (high: almost everything comes from official pages read directly). 100% of 11 sources are the organization's own pages or government sites.

All SIXT (USA) contacts Open in the interactive directory JSON

Collect

rental agreement
return time
card statement showing the hold

Steps

Wait the bank's clearing time after return.
If the hold is still there after that, call customer service, then your card issuer.
PhoneSIXT USA customer service (1-888-SIXT-CAR) +1-888-749-8227

Facts you can cite

Deadline
SIXT says the deposit is released within one business day after return, and the bank clears the hold within 3-10 business days depending on the card type.
Source: sixt.com, verified 2026-10-12
Limit
SIXT's US deposit for standard vehicles is the rental amount plus USD 300 at some locations and plus USD 200 at others; some non-airport branches in Texas, Colorado, Louisiana, Minnesota, Illinois and Indiana require more.
Source: sixt.com, verified 2026-10-12

If that fails, escalate

Go up one step at a time. Keep the reference numbers and dates from each contact.

Customer service
PhoneSIXT USA customer service (1-888-SIXT-CAR) +1-888-749-8227
Written complaint
OnlineMy Bookings invoices and Customer Support request form Sign-in required
For damage claims, write to claims management and ask for photos, repair invoices and the fleet utilization log.
Card or bank dispute
Fair Credit Billing Act billing-error and purchase-dispute rights (Regulation Z)
Electronic Fund Transfer Act error resolution and unauthorized-transfer liability (Regulation E)
State agency
Your state’s attorney general. Find it in the list of state agencies (also as JSON: states/<code>.json, for example states/ny.json).
Arbitration
SIXT US terms require individual AAA arbitration after notice and 30 days, with jury and class waivers.
Small claims court

Watch out

sixt.com returns HTTP 403 to automated fetches.
Invoices and the support request form are in My Bookings and may need sign-in.

Let your AI agent handle this

Escalate Anything is a free, open-source MCP server for Claude, Cursor, VS Code, Gemini CLI, Codex and other AI apps. Your agent gets this playbook, keeps a case log with reference numbers and follow-up dates, and drafts each message for you to approve.

1. Set it up (needs uv):

uvx escalate-anything setup

2. Ask your agent:

SIXT (USA) has not returned my [amount] deposit. Use Escalate Anything to get it back.

Source code, other install options and the Claude Code plugin